23@109 1. I would say the new cam works awesome! Also, with the old cam, our best 60ft was 1. The 210's would be a good choice for a high rpm 383/406, or a 6000 rpm 414-434 build. 486 lift, and 230 @ . I ran it as a daily driver for some time in a 4x4 with 4. 68 MPH 3. 2. These rockers get you there with Feb 2, 2023 · Ive had many people over the years rave about the results they get building a 400-406 SBC, and many of the same people would not consider building a 396-402 BBC , thats damn near always a bad decision in my opinion as the 396-402 BBC, if properly built with the correct matching components ,has a stronger factory or aftermarket block, a stronger rotating assembly and much better flowing heads Nov 18, 2013 · Getting ready to build a 406 small block, starting out with the block only. It looks about right for an honest 500 horsepower 383. Mar 9, 2011 · Chevy 406 Small Block Engine: Pistons Speed Pro "Not" forged 13:1 at 0. 477 hp/in with a 406 small-block. 700" lift small block cams for what he is looking for, you can get . Sort by Oldest first 68 Camaro, E85 powered 427" small block. 6 to get more of my cam but I would imagine ( could be wrong ) it just adds stress geometry wise when everything is Moving :turn: There are several 2 bolt 400 sbc around me for a reasonable price ($300-$400) that could be purchase and local shop could do a 406 May 29, 2011 · Punch in 406 Chev small block in your search engine & research it. I'm running one in my '86 Monte Carlo SS & expect a low 13 in the quarter on regular pump gas. Check out our custom options and packages below Jul 21, 2020 · 2nd choice sbc 406 no carb or accessories (4300$) motor is on engine stand never ran Fresh from machine shop! Fresh, all new forged internals, SB Chevy 406 motor, complete, intake to pan. 02/1. 483" (1. Jun 8, 2012 · 406 9. Nov 27, 2006 · 78 Camaro hybrid cam 406 11. sbc chevy 406 cubic inch complete dart short block kit. Cam not picked out yet but leaning to solid roller. New Scat Forged Crank Sep 21, 2014 · A similar 406 even with a hyd roller should easily meet your goals in near sea level air 84' LSX Mustang/Hertz Rent-a Car 5. The 406 Sbc with these old school camel hump heads 202/160 ported with flattop on A budget. 7 rod Holley Strip Dominator intake holley 750dp Car 1971 Nova 3400lbs (with my butt in the seat) 3. 60's and 70's until I broke the driveline. May 9, 2011 · I'm tuning my fresh 406 this week and in my 72 Nova and was looking for some recommendations on timing. I don't spin them much over 7k RPM. S and I am building a small block chevy 377 (4. A smaller cam causes the valves to be the restricting part instead of the carb. Listed below is what makes this cam different: Changes from first cam: Duration at . Its more of a HP cam in a 350 . Vic Jr intake with port matching and minor plenum blending. Nov 9, 2021 · Results, Best of 10. 6 valves and ran a best of 13. my goal remains 500/500 at the flywheel and I The production iron GM head for the early Vortec engines is an outstanding example of a 170cc intake port that offers excellent low and mid-lift flow that is perfect for a mild 383 or torquey 406ci small block. 68 Camaro, E85 powered 427" small block. *** IMPORTANT NOTE *** Nov 1, 2020 · When it comes to cams part numbers or timing specs are meaningful information. 501 lift, 110 LSA Crane Cams Pro Street Roller Jan 1, 2004 · The original engine featured a Coast High Performance crate bottom end outfitted with 22cc-dish, 4. 42 gears 5 year old bfg drag radials Best time 11. 155 bore 6" rods Dart Pro 1, 200cc intake, 72cc chamber, 2. 73 combo When I first put the 406 in, it had a 280H Comp Cam (110 LSA, . and mph thru the traps, so even if the cam gives up say at 5700 rpms in your 406 you still looking for a clean shift point around the 6000-6200 range. I told him what I my goals where and what I had the cam has performed exactly as expected. 155" bore with 6. Apr 24, 2009 · seems like a fairly easy thing to do. With the right small cam, a 406 could easily make well over 520 ft-lb of torque with a set of these heads while still being capable of Aug 13, 2015 · The best thing to do is get a complete new set of 5. THE BEST FLOWING, BEST QUALITY SBC ALUMINUM HEADS ON THE MARKET FOR THE MONEY. 673 in & . 012 Intake . 0 rods, protopline 220 cast iron head on a studded 2-bolt main block. 900"). 018 Intake . I have the Lunati Pro-Mod rods (I-beam) in mine. 050 duration, a lower major intensity figure indicates faster opening and closing-typically called more aggressive lobe, the . Built it 22yrs ago, . 1 INTAKE AND 1. 250" long rod lengths in 5 degree increments. or holley strip dom. Swapped valve springs for some PAC 1243's, had Jones spec out a cam(266/276@. 750, with a 7/16 6 inch rod and a Mahle piston, we ended up with 10. 025” down in the cylinders at TDC. 5 to 1comp,a 641 lift cam,and ported steel GM heads, 400turbo with a TB and 12 bolt 456 rear. 5, however I bought the cam And convertor etc with the intention of running the higher compression, cam is crower 00356 solid flat tappet 260/266 @ . I have a friend who know's a bunch about engines and he suggested the 12-676-4 solid. With the help of craigslist I've acquired a 2-bolt 400 small block Chevy that I wish to acquire 450 hp out of with 92-93 octane. 559" exh duration @ . Stock 400 block bored 0. I have a 2 bolt main and a 4 bolt main block. 549/. the 270 Mega is available on a 106LSA as well but standard is 108LSA. 9lbs trq! What fuel was used for dyno runs? Its likely a hyd cam since it topped out at 5,800rpm,correct? But since its a farily a mild cam for 406 cubes i bet its an hyd roller with such good hp/trq #'s!!!!(Correct?) Those are normally asperated #'s,(no Procharger) correct? Nov 26, 2021 · What cam is best for drivability with a big inch sbc with relatively small head? Save Share. May 19, 2017 · Both are 406 SBC with AFR 23 degree heads, one hyd roller the other is solid roller. VITOR E intake Cam is 256 in 260 ex @ 50 and . motor is a freshened 400 sbc with stock pistons, rods, crank and a set of ported and flowed Corvette aluminum heads (flowed 260 cfm @ . Definetly will consider them. Also what intake would work best with this combo? I am aware that with 76cc heads compression ratio is around 10. Take a look at the Lunati 54743 with a range of 1800 to 5800 in a 350, Jan 4, 2004 · Hey guys, I am currently running the Comp Cam Xtreme energy 268H cam and am thinking of changing to a bigger hydraulic cam or maybe even to a solid flat tappet cam. Smeding Performance is not responsible for damaged caused by user installed parts. 4. 625" with . 486 lift with 1. 50 ,520-540 lift,with a 108 lsa,and yhey call for double springs w/dampner,rates are ,132 lbs@1. The best i have done so far is 5. 28"x9" rear slick. 5 10 bolt with 4. Camaro. 155- inch bore 400 block and a steel 3. 80 first gear. 025 inch SBC, especially with a stroker crank, causes to many other compromises such as the pin invading the ring lands of the piston, trying to get the big end past the cam makes for using an inadequately strong (physically) cam that wanders the timing all over the place. RockinZED wrote:406 SBC, forged crank, 5. Apr 27, 2019 · Banjo has the best running 3. It is a off the shelf Special dual pattern version of the Comp 280H Magnum Comp Cam. The Scat and Probe "capscrew" rods are an EXCELLENT budget replacement and will also buy you some cam clearance. Generally cams like the Thumper emulate the idle sound of the 1960’s and with 11 to 1 compression ratios the performance of that period of 100 plus octane fuel. It doesn't get much more Jun 1, 2004 · 406 sbc, ~10. cam and stock rocker arms 11. May 2, 2023 · Best Hyd BBC cam I've ever used was the Isky 280 Mega cam on a 108°, pulls like a freight train. 10@118mph 9-30-22 10. Don't ever TRUST a track officials word! Unless your goal is a very mild street small block, roller rockers are an excellent idea. The quickest the old cam went in the same weather (still wasn't quite as bad) was 9. If, for example, the sweet spot is rated at 2000-5700 RPM, the engine will still produce power above 5700 RPM (at least ours will), but above 5700 RPM, the next larger cam Nov 14, 2016 · Just joined the site. 02 / 1. I have even tried the new Compcams simulation software as well, but I kind of do not trust its Aug 27, 2019 · UPDATE: had Prosystems freshen up the carb and took it back out, 60ft improved but engine was laying over anything above 6500. Very easy to make power with the 406 SBC's they respond well with good heads. need a cam that will yield the best dynamic compression ratio for my combo. Best of luck. They are mild enough to work with the stock converter but the 274HO6 is on a 106LSA which will give you the idle your looking for. It is very easy on the valvetrain. 566 hp/in with a 383 stroker or even down to 1. Mar 6, 2004 · the best i've seen for your baby budget would be go to northernautoparts. 82@116 w 1. Not long ago, that number would have made the cover of several magazines and earned the engine builder entry a first floor spot in the Small-Block Haul of Fame. Apr 1, 2000 · Chevrolet 406 CI Small Block Build - Chevy Small-Block Power but we think this is one of the best for the money. I would suggest a roller in a similar size over a HFT cam. 155 X 3. 020 Exhaust Lobe Lift Increase: . A very easy 600+hp build. I am using the Eagle 4340 Rotating Assembly and a set of 291 heads. The cam was around 230 degrees at 0. 541" int . 5mph with 2750ft density, 75degF, 90% and 105gow. He put it in a Buick Regal with a 2004R. 7 rods, 9. 010 close lifter rise 244 deg at . It was a definite seat of the pants difference over the ps 780 dp that it replaced. I'm going with the 12-676-4. THis is a real generalization, but the weaker your heads, the more you will like the smaller centers ( 106-108) the better the heads, and the higher the compression, the more it will like the wider centers ( 112-114)everything else falls somewhere in the middle( 108-110) Once you get close with the cam centerlines, it wont make much differance if you change it up or down by 2 degrees Aug 11, 2011 · There was a few street pump gas motors posted around here or chevelles. Its nice runner in the 360" motor but abit small for the 406 I think. 50 duration 540/558 valve lift 105 lobe centres 4500 conveetor, 200cc Feb 2, 2005 · SBC 406 10. 510 lift and about 235 duration at . This is a street mainly car. 480 lift. May 8, 2009 · This is the Lunati roller I have in my 406. 48" stroke small block 350 V8 Chevy in standard 5. Might be A little worried Mar 3, 2018 · Couple of questions and comments. the use of the vehicle (what rpm will it mostly see), the cubic inch size of the engine, and what cam is being used. 488/. The cam you have isn't that far off from what we run. 406sbc - 4. 7 at 4900 RPM. Anyways I have been using that cam since 2001 and love it I build alot of 406 sbc with good luck. New 406 build. Jul 28, 2019 · I talked to Comp cams and they recommended the 12-677-4 solid or 12-268-4 hydraulic. For a 400–ci small block, 800 hp is 2 hp per ci (hp/ci). ride N/A. 8. 94/1. 600) and a Comp Cam XE 268H cam 224 intake 230 May 28, 2011 · I was thinking of doing a 400ci sbc that would wind up at 406 or 421ci, I have a set of Dart heads,64cc,220 ported (getting numbers on them next week) so far. 600" lift @ . Nov 4, 2007 · This way you can run the bigger cam that the 400 so much needs . WISECO 2618 AIRCRAFT ALLOY FORGED FLAT TOP PISTONS. This kit boasts a high-performance hydraulic flat tappet camshaft and lifters that deliver excellent low-end torque and mid-range power. sbc chevy turn key stage 3. 5:1 and ran a Comp 280H (230 @ . Good torque and the engine would still idle in gear at 450 rpm with the Comp 292H. 6's) cam in my 406. Car is a 1980 Camaro, with an automatic turbo 400 with 4. 5 ratio roller rockers. 250 height 462 lbs spring rate , Comp cams on the othe hand has a similar grind,236-248@. It is a small base circle cam (. While at the swap meet I claimed a 267- HDP Crower camshaft part number 00240. 10 sec. Fits GEN 1 small block Chevy including 363, 265, 267,283,302,305,307,327,350, and 400. 3 / 4 Victor Jr. Out of the box race ready AFR 227 heads with 2. 1 at 5900 RPM and Ft tork 509. Mar 16, 2014 · ) heads with 1. I'm at 17 degrees initial with no pinging and it runs very well. Apr 24, 2011 · 412 small block M-20 4spd 4:10 12 bolt Sold, went to Sweden 1957 Thundarbird Gasser Aluminum Shafiroff 582 Richmond 6spd 4:33 59 Olds rear Dads old race car He bought it in 1967 1967 Camaro 355 small block M21 4spd 4:88 12 bolt spool 40yr old drag car barn find in south PHX AZ May 21, 2022 · Comp cams magnum flat tappet. The cam he is looking at is not much different than the cam I will be running in my blown 388ci SBC. 660" on 104lsa) engine idles way better and seems super responsive, ditched the choked up super victor intake for a Holley 300-110 w/ a 2 Mar 4, 2015 · Here is a good alternative cam to the custom grind Comp cam. You will want to check rod/cam clearance with those Scat rods. t. 40 @ 135 and I'm wondering what I can gain from better heads. 560"/. specs: 406 10:1 Dart Pro 1 Performer RPM (newwas using Vic Jr) 1. The 406 there was under 9K. I was reading about engine you built I believe was a 421 or 434 with a 12-773-8 comp cam. 11. I’m using Comp Cam’s XE262H with . Afr heads like valve lift. 9. 25:1 comp, 93 octane Sportsman II heads, straight plug, not sure if 64cc or 72cc, not sure if ported to intake Torker II intake Isky Racing cam #201288 for oval track (2800-7000 RPM) 288 deg, . Car is 3700 lbs presently with an 8. These rockers generally offer a better rocker ratio along with greater durability. 27 Differential Weight 2. The compression was A bit high. Hope you can help me Dec 27, 2007 · C3 Tech/Performance - Choosing the right cam for a 406 small block - Hello All I know this is a question that arises here very often but during my search I could not find a recommendation that would fulfill my demands. Jan 10, 2012 · Using our 600 hp as an example, it is possible to reduce the specific output of the 600hp 350 (1. 3 to 1 I ahve ben seeing some people using good quality 10W30 synthetic in order to get the oil circulating cold. My goals are still 550/550 at the flywheel. a hydraulic roller cam was required equipment. Current cam in the 360 is abit small for a 406. 709 hp/in) down to 1. I dont think that would break the bank too bad. aluminum heads combined with a rather long duration Isky mechanical roller cam that’s spec’d out at 264/272 degrees of duration at 0. ran on 87 octane too. Mar 19, 2012 · As part of the rework on my 406, I've decided to go with a hydraulic roller cam this time instead of the solid roller I was using. 020 or more down the hole vortec heads - modified for lift up to . 7”) 406 SBC with the rods clearanced to allow the use of a flat-tappet cam. Quality machine work. Jun 11, 2010 · The 12-419-8 is the largest nitrous cam Comp offers in a hydraulic roller for the small block Chevy. My data even shows I was running at 89% volumetric efficiency for a large part of the run :thumbup: That's why I assumed they did a great job on the tune! Oct 12, 2022 · The highest rpm 400 I have is in the 56 Corvette. Aug 20, 2011 · Go tall deck and raised cam and screw all the head aches. com that made mid high 600's with hydraulic rollers. 2 cr speed pro pistons, Pro Comp 210 heads, Summit Stage 3 intake (knock of air gap pretty much), headers, 3. 5 to 1 comp, 220cc heads, and a 250-ish duration hyd roller made 640. 1 comp. 875" stroke Callies crank Oliver 5. 73 gears 12. I had a very nice thick 817 production block, bore and stroke 4. 60 exhaust valve. 48-inch stroke crank, this small block used a set of Edelbrock Victor Jr. I am just running out of air at high RPM's. 576/. Specs: Scat rotate assembly Flat top Pistons 6" i rods 10. Would like for your opinions, thoughts, recomendations on a camsahft for this build. These stainless steel Comp Cams roller rockers are also rebuildable. 5-7 only using 2 gears. 96 @ 133 MPH, 1. that even comes with pistons and cam. 93 @113 with 3. Nov 25, 2010 · Its a basic 406 build with vortec heads, 5. My first go around with a 406 was a full second faster than my 355. lbs. Would like to run low 12s-11s. 9 to 1) forged pistons, Dart Alum 230 heads (complete), World Products Motown manifold, seven quart oil pan, SFI vibration damper, SFI ring gear, Proform mini starter, MSD distrib, Comp cams XR292R solid roller pro street STRAIGHT PLUG, FOR SBC CHEVY 327 350, 355 383, 400, 406, 421 ENGINES. 483"-. (The two bolt main blocks are stronger than the four bolt blocks in the 400 motors). check for length. 5. 48 crank to make it a 377 small block chevy and I am using a 3000 stall converter and my heads are dart pro 1 platinum 200cc aluminum heads that was all ported and gasket matched and worked over quite well Sep 16, 2013 · Looking for a cam recommendation for my build. 65-1. 280/286 230/236 with . 014 Exhaust Lobe Separation: No Change Mar 9, 2002 · What cam do you all recommend for a daily driven 406 with an Edelbrock 750 carb, Air Gap intake, 15/8 Hooker Headers, AFR 195cc Heads, 9. Add a cam button and the pushrods. We’ve combined this with a set of budget-based Dart Iron Eagle 215cc cylinder Mar 20, 2024 · download the Comp Cams lobe profile catalog and look at page 71, the "MI" on the left stands for major intensity which is the difference between advertised duration and . 26 60 ft 9. I'm sure abit more head, more rpm with more cam can get near 700. I would also like to have between 450-500hp. 630 net lift. 480 stroke) that is based off of a dart 372 ci small block that made 470 horsepower and 470 ftlbs of torque and that was with just a mild low 220s @50 hydraulic flat tappet cam and dart pro 1 180cc aluminum heads 9. 00; 427 Small Block Ford Windsor 650 HP Performance Street; 394 Mopar Polysphere Performance Street / Strip 500 HP Oct 28, 2013 · I have a similar 406 with the "Old" 195 competition ported heads and a SR cam with 269 dur @ ". 050 Increase: 12 Intake 12 Exhaust Valve Lift Increase: . Not the Air Gap, the standard 7101. com to get your rebuild kit. I want a street/strip engine, with vacuum for my brackes. Dec 16, 2013 · Oh how I miss the old 406/2. 1 compression. Lunati pn 30106 - 234/234/488/488/110/106. 7"billet rods, 5. 200cc RUNNERS, 64cc COMBUSTION CHAMBERS. It has a good lope and sounds great IMO. 10s, 28" slick. Vortec 062's 406 w/hyd. May 9, 2011 · i think you mean a cam with around 300° advertised duration which is pretty much exatly what i recomended for him and you're not going to find to many . 5:1 compressionnot too modified. 050" but the small ports made huge torque and fairly good hp. I know of 3 406 builds in my area. 10. Its a comp cams hydraulic roller 280XFI. 050-inch tappet lift. Lingenfelter ported AFR 190 aluminum heads Sep 17, 2011 · banjo wrote:I have one of mikes cams in my SBC 406. AFR has some dyno tests of the Comp 270 and 280 HR cams on their webpage, under the hydra-rev. 75 crank, forged 6. They dyno number are HP 502. 525" lift and a well-designed exhaust system should work well. 00" rods 13. 509 block bored 30 over, 5. Jun 4, 2011 · These are the same cams I was going to suggest. For your application of smooth idle with high vacuum, you want a cam with a fairly wide lobe separation angle for the best power production over the engine's entire rpm range. The cam will begin making power at ~1200 and the RPM intake will begin making power at ~1500 or less with the increased cubic inches of the 400 motor. Combine this cam with a 1. 825 MIGHTY DEMON. Apr 4, 2016 · Im looking for a hydraulik roller cam for my 406 sbc. 60113: 294/302 advertised, 243/251 at . Oct 11, 2019 · I don't have quite the steep gears you have or do the same thing with my truck which is just a chevy s10 v8 swap but my engine is a dart shp 400 block with a 4. Jun 5, 2020 · I want to build the cheapest, least expensive small-block 350 Chevy that can make around 400 to 450 horsepower. Made 492 HP and 467? ft. ) Aug 7, 2017 · Head is too big. 155-inch bore forged pistons designed to achieve a pump-gas-friendly compression ratio of 9. 5 rockers Custom cam is your best bet. 72 chevelle 400 sbc - stock bottom end ~ 22 cc pistons ~. Icon pistons, scat cast crank and 6" I beams, 195 Profilers out of the box (which flowed less than advertised) RPM Performer and Comp XE cam. 750 installed height are 108lbs seat pressure,and 339 lbs open @ 1. 5 @ 101. 73 gears, swapped to 3. The shop had said I can probably gain another 20 hp with vortex heads. and you used race gas and Tony Mamo chimed in that you did not need race gas with the AFR's. Oct 15, 2019 · The E-Tecs 200s really made me smile, and I kept the same cam. 7 "(Point Pink) Original Crankshaft Small Block 400 Headers 1. but still this is pretty Mar 23, 2010 · In 383 and 400 small blocks I have best results with single pattern cams. This sale is for one fully assembled set of heads (2 heads). 08 intake valve and 1. Will look into these rods also. [/B] the plans are 3:43 rear gears, flat top with 2 relief pistons, 442 heads with some porting and slightly stiffer springs, long tube headers and holley intake and carb. 250,322lbs spring Jul 6, 2020 · L-29 461 BBC 11. Both are 10. 050 duration compared to max lift number could be called overall intensity- . 570 on a 113 lsa. It will do both very well. It made 428hp 525lb/ft under 5,500 rpm and was making 471lb/ft at only 2,300rpm. Keep the duel plane intake and get rid of the gear drive, you will like it for about 20 miles maybe less. 637, Chevy, Big Block, Each Part Number: CCA-11-406-5 Aug 13, 2008 · The engine is a 406 ci sbc, standard World Products block decked to 0, Ohio Crankshaft steel crank, six inch H beam steel rods, SRP (10 to 1) forged pistons, Dart Alum 215 heads (complete), World Products Motown manifold, seven quart oil pan, SFI vibration damper, SFI ring gear, Proform mini starter, MSD distrib, Comp cams XR292R solid roller The second recommendation is much simpler and far less expensive, but it isn’t what Ricky wants to hear. Large compatibility: This camshaft has three unique designs that make it compatible with a wide range of fit options. The cam is very similar to the one above but the LSA is 106, not 108. Feb 28, 2007 · Now at 9:1 compression those cams are big. If you want to boost the performance of their sbc 406 engines, then opt for the Lunati Voodoo Hydraulic Flat Tappet Camshaft and Lifter Kit. Nov 15, 2010 · 406 torque cam Thqanks for the advice Eric,The single w/dampner spring rates lunati hyd-roller calls for @1. 637/. Looking to make this combo work on pump gas and make around 450/500hp with reasonably priced aluminum heads. I'm not wanting to break the bank, the less the best! Other than the motor, the car has a th350 that I plan on replacing with a glide, 3800 stall converter. 050 lifter rise, no valve lift given Cams have power bands, "sweet spots" or RPM ranges that they work best in. The bigger engine will be faster, and it will be turning more rpm at the finish line. Probably makes about 445 hp, enough to run 11. I want a cam that has a mild to rough idle and I want to stay with a hydraulic. Here is what my build looks like. The best run so far is 10. I'm looking at hyd. However, the 270 H is the largest cam you can use with a stock torque converter. 1 compression, Richmond Gear four speed and 3. a 350 complete kit runs 159. Jan 14, 2020 · It will pull to 6900 crossing the finish line, but the big cube small block needs good heads. Feb 21, 2019 · Well I finally had this motor on the dyno. Dec 16, 2007 · But trying to stuff 6 inch or longer rods into a 9. May 22, 2014 · My 406 SBC has a stock vacuum advance on a stock HEI distributor. First nice build, the torque and power are really impressive. With electronic fuel injection, a small displacement small block designed for very low rpm will give the best mileage IMO. Looking to have peak power around 6800-7000rpm. 155 bore x 3. 73 Oct 31, 2017 · I am in the U. Mar 15, 2007 · To illustrate my point, take a look at the chart below. My motor made right at 650 on the dyno and has been 6. 5 roller rockers on exhaust 700R4 3. It will maximize performance at an RPM well above your range. Same combo in my 68 Camaro for years and was fun with no issues Hear it here. 6 valves, guide plates/screw-in studs, flat tappet hyd cam (if I remember correctly) about . Aug 5, 2010 · The engine currently has a hydraulic flat tappet cam in it now, a comp XE284 and I am well pleased with its performance. 30s in a 3200 pound car. May 19, 2007 · Lingenfelter 420, from his book- Modifying Small Block Chevy Engines. 518 with 1. Compression is 10. Jun 25, 2014 · The new cam went 8. The ignition timing set at 4 degrees BTDC, ( The engine is just built for low rpm torque: Small cam, quadrajet carb, longer rods, balanced, blueprinted, stock heads, 9. 75 stroke 23 sbc I've seen (regular shit). 9" rearend with 4. what intake would work best with this combo? Sep 5, 2006 · 406 sb cam selection & power estimates. I have a little more compression then you, but our motors are very similar, I have the profiler heads done up by Chad Speier. 450 in lift with 1. Sep 24, 2011 · So I have a 406 sbc 98mm turbo a/w cooler with bs3 and track one heads. This is my first post here but I read very often! I'm looking to build a 406 for my '79 malibu. I have both the Edelbrock 600 and 750 carbs which I've switched back and forth on the motor. Jul 27, 2007 · I am using a Comp Cams Magnum 270 H in my 383 and I like it very much. 41 ET @ 119. Oct 18, 2020 · I am looking for a cam recommendation for a SBC 23 deg head with a plate system (around 300hp of nitrous). i was wondering what all would i need to buy differently from a hydraulic cam to a solid one and what size I should use. 6 roller rockers on intake 1. 406 with 11. 65@125mph and mostly upper 10. 7", 6. 5 to 1 406&at 2300 471ft lbs, 477 at 2500! 525 at 3500. I called several manufactures as well and I chose to go with Engle Racing Cams (they were recommended to me by Don Hampton of Hampton Blowers). 5:1 May 27, 2010 · I’m building a long rod (5. 92 Mar 22, 2006 · you guys been a huge help so far. 050", ground on a 112* LSA, a #7530 Team G intake and 750 Holley and 1 3/4" headers. 5's or . 08 gears. But now with superchargers and better cylinder heads, 800 hp is not unusual for a big-inch nitroused small-block. I did call Chris, but I just can't justify the price for my budget build. 65@125mph 406 with home ported Dart 215 heads. A shorter stroke will raise the minimum efficient rpm and be counter productive IMO. 462/. But in your 400 it will have HP and torque . 050 252 int 260 exh 5. Oct 1, 2014 · Even if the 406 eats up cams early the engine should still rev cleanly past peak power, you want to shift normally 300-500 rpms past peak power anyways for best overall e. Going to try and post A video. 20@147 ALL MOTOR IN 5900ft of D/A on 275 radials 2014 USP Limited Street Champ Only all motor car in class!! Dec 12, 2005 · Here are the numbers for the cam you inquired about. It truly makes me question why I didn't stick with the 406 (technically, 407) and stroke it, roller cam it, swap heads to achieve my goals instead of switching up to 468/496 option. It’s still running 21 years later in my best friend’s ‘65 Chevy II. 6 or a 1. 4 cc forged flat top pistons, Ported AFR 210 heads with Comp Ultra Gold roller rockers, Herbert CC253 solid roller camshaft. 050/". 549 lift, 110 deg lobe sep, 1. Has no problem lighting up the TA radials. 7 rods Scat cast 9000 series crank Clevite 77 bearings Mildly ported Edelbrock Performer RPM heads 252cfm intake, 191 cfm exhaust, 64cc chambers Comp Cams solid XS268 cam, 230/236 @ . 30. 650" lift cam here and there. . 6 or larger ratio rocker but most 300ish° adv cams will be around . 050, . My motor Really likes the 850dp carb. 94 @ 150. 73 gears, street strip car. 0 60' all day long at the track, running 13. 23 gears. 630, 106° lsa •Comp Cams roller lifters •Weiand Team G 7531 single plane manifold with 2" raised plenum, port matched •One complete virgin Chevy 400 2-bolt engine (never disassembled) •Rotating assembly to be determined Aug 9, 2019 · Similar set up to urs but mine is a 406 sbc. The cam and nitrous were worth a whopping 525 hp, and Nov 10, 2009 · I run Mahle's in my 410" small block; very nice pieces-lightweight, coated, xlnt ring pack. 6 10:1 compression 1. 509 two bolt 400 block, bored . 3 compression. Comp cams XR286R-10 # 12-772-8 #K12-772-8 gets you a complete kit. 5 rocker) 108 LSA. 575-. 57 in really good air. 08 posi 26 inch tires. 7 rods and a set of pistons that will be a lot better on compression to live with. Jun 30, 2012 · Low 8. 050” lift, along with 1. 73's to a spinning 13. 7 and 2. stock iron vortec heads, rpm air gap. 8-1 cr. They have been extensively ported and flow extremely well. For your motor, I like the Comp Cams Magnum 280 H. 73 gears. 5 roller rocker arms by Comp Cams. Final assembly & tuning of this partial engine must be completed by an experienced engine assembler/builder. 1,sbc, ik200 brodix head, hyd cam, performer air gap manifold,1972 Aug 3, 2008 · Also moderate compression, small piston to head clearance and an efficient combustion chamber shape to increase low rpm efficiency. 6:1 compression made 490 HP with 195 eliminator heads, 282 HR Comp Cam, 230/236 @ . Jul 29, 2010 · Im looking at solid flat tappet cams for the 406 im currently building. Is the is the best way to go? Thanks again! Torque Converter: 1,800-2,200rpm Stall w/ 440hp Cam, 2,400-2,800rpm Stall w/ 470hp Cam, 2,600-3,000 Stall w/ 520hp Cam Recommended. 750 stroke, SCAT CRANK & SCAT COMPETITION RODS. I have to stick with a 23 degree standard valve angle. 319 sixty foot on motor. Scat cast steel crank, 6" forged rods, forged flat top pistons. i am going with an eagle balanced bottom end rotating assembly, will be running , dart pro 1-215/72cc alum heads, torker 2 intake for hood clearance reasons and i so want to pull close to 6000 rpm as well, holley vac sec 750, msd dist Apr 7, 2011 · Go with the AFR 195's, they will easily eclipse your HP target, and they have the correct springs for a hyd roller cam. small hydro cam and only used 91 octane. Instead, we choose a more conservative cam that works best with a 355–ci small-block with stock heads and a mild induction system. Dart Pro one heads 215cc 72cc Edelbrock rpm air gap Headers full lenght 750 cfm holley Th350 shiftkit 2400 converter 3. He said comp cams grinds them 4 degrees advanced which should help with low end torque. 5 Small Block Chevy Race Series 3/8" Rocker Arms by Scorpion Racing Products I would use a 7101 Edelbrock Performer RPM intake manifold. Mar 26, 2020 · A forum member had me build a mild 406 for his 71 Chevelle, I thought I would post some pictures. The motor is a 406 small block, 12. 3200 edge stall 3. Apr 13, 2016 · I came across these heads but don't know if they are too much for a 406. Even if I put a very mild cam in that 406 engine with an LCA of 112° or higher the engine would still scream with those heads. The flat-top, four relief cut pistons are 0. 040" bore and a calculated 9. Jan 31, 2013 · Which intake to run, I have two intakes, vic jr. 8/11:1. Mar 27, 2004 · This might sound stupid, but I gotta feeling that the cheap generic 280/230 cam along with a set of at least 190 to 195 and even 200 cc intake port heads if your compression ration is 10 or thereabouts after everything is said and done with will make you a dandy combination. 050 dur) It would bury the speedo in 2nd gear at 6000rpm (th350 trans w/ 28" tall tires) 2. 750 and 293 lbs @1. A good mild cam like a Comp 280HR, 224°@. 85" stroke. prolly a single plane manifold but still need to select a gasket and get the deck height right for best quench. Used a Bowtie engine block Comp Cams mechanical roller cam: 236/244 @ . com built a 406 with vortec heads and made like 530 ftlbs and 470hp with a moderately sized hydo flat tappet cam. scat 6'' i beam rods, brodix 210 runner heads, sm solid roller 244-255 577-600 110lc 750hp carb, 1''3/4 headers, 68 nova 3400lbs 5sp 3. 5:1 compression Speed Pro forged pistons with -10cc dish (he wanted pump gas) Scat forged 5. Have read all of the 406 combos I could find. Here's the magic hydraulic flat tappet 400 SBC cam. 050), MSD ignition and a manual trans. The non ported 906's ran mid-11's on my flat top piston 406 and low 12's on a dished piston 400 this year. I run VP 110 in it always. 266. You will need more cam than you have to turn 6000 rpm. This power band or "sweet spot" does not mean that the cam will not work above or below this range. All on street radials with limited traction. 60 Rod Length 5. May 2, 2015 · Alright, after a brief tryst with Carlisle I came away with small block Chevy parts I never knew I needed. 406 sbc, 522hp/514 ft lbs, Doug's 1 3/4 Nov 30, 2017 · Recently did a 406 for an air force guy from SC. centerline 253 duration both sides. Go for a hyd roller cam, you're specs will be fine, although I prefer a tighter lobe separation. Like. Pistons are the one issue I need to decide on before the boring. 5:1 cr on 64cc heads Brodix Track 1 220cc heads (2. Intake 950cfm Holley Secondary Vacum TH400 automatic transmission TCI 4000rpm Converter 4. I built a 383 11. 5 compresion but only ended up with 10. Dec 16, 2011 · Listed below are the recommendations I have received so far regarding a cam for my 406 (1/4 mile drag racing) Details about the car/engine: Weight of car w/driver: 3335. 693 ex lobe separation is 110 Dec 16, 2013 · Chris Henderson and his team built this 406 Chevy small-block for the 2012 AMSOIL Engine Masters Challenge. I want to replicate this build but with some large port vortec heads and a larger hydraulic roller cam. Jan 6, 2011 · With those details above we have a few cam options. 050 lift. used AFR 220cc heads. 56 rear gear. 050 and . I have a similar engine and considered both of these cams. check out june 03 high performance chevy,,they did a simple basic 9. 42 rear gears, 26in MT et streets, th350 (i want a stall between 2800-3000). 05"/. 74 60ft ***SOLD*** 1968 Camaro in progress stock 5. The two cams we have available but dont have to use are: comp cams 292xfi cam. That last link about the 406 that puts out monster torque has a cam about the same duration but around 470 lift. 6") Nov 15, 2010 · 67 chevelle 406 10-1 200cc dart iron heads lunati hyd flatt tappet 480 230 cam perf rpm 750 holley vac sec. 2 @ 103 in a 3450# Camaro. 6 rocker set. Feb 26, 2012 · If there are no other restrictions in the intake tract, the carb size is determined by my first post, ie. 5 rockers this time, last time I used 1. Best of 11. I could have got to 700hp with some more cam and I didn't want to burn up my new 2" headers on the dyno. 3 with a 75mm turbo for the wifes driver. Feb 26, 2016 · This solid street roller is a compromise between the ultimate N/A 400SBC cam and a good Nitrous cam. I'm trying to pick out the right cam for my combo using the following assumptions - this will be a 93 octane pump gas engine in a 3200 lb Camaro driven on the street 99% of the time. Apr 24, 2007 · The engine is a 406 ci sbc, standard World Products block, Ohio Crankshaft steel crank, six inch H beam steel rods, JE (13. Save Share. Best 1/4 time was 13. RUNS ON PREMIUM PUMP GAS. I have illustrated the crank angles and relative piston positions of today's most popular racing engine, the 3. the best power numbers were gained with a set of GM Performance Parts Let’s look at a 377ci small block that initially looks impressive. 050 is Oct 29, 2006 · A cam with narrow lobe separation (under 112°) is biased toward peak power and yields a narrower but higher torque curve. 700" corrected lift by using a 1. Shift point 6800, trap at 7000. Current cam performs well but I feel like there may be power left on the table. 6 comp (assuming it's pump fuel friendly!) 406 sbc with 522hp/499. Nov 29, 2015 · Hello everyone. Jul 13, 2021 · I ran factory 062 mild ported Vortec's with a smallish hyd cam last year and it was a 10 sec. I like the 406's if you have a std block as I can run a std base cam (don't believe the small base needed BS) and there is almost no other clearancing required. 155 flat top SRP's (-5cc), forged 3. I really don’t know what it was originally in but I’m pretty sure it was a truck. If your getting a cam to run only 6000 rpm's, then the 185 will work fine and the 195's are approaching overkill. Chevyhiperformance. It is easy to get over 400hp and over 400 torque & still run pump gas. Power glide with a 1. 469 lift and 218/224 degrees duration at 0. Sep 27, 2014 · 1. Oct 17, 2000 · I'm running a 400sb, 10-1, Edelbrock Aluminum RPM heads and intake, CC Extreme Energy cam (230/236 @ . 030 over, flat tops, 1966 double hump heads that have been gently massaged, stainless 2. 685" on a 110lsa, old cam was 276/284 @ 50, . They have a 2. 565" 110LSA 106ICL. This involves yanking the cam and putting it on the shelf. 94 @ 121mph . Nov 8, 2005 · identical specs to the GM hot cam and the rpm range is 2000 to 5500 on a 350, so should be a great street cam for a 383. Oct 1, 2006 · Intake For 406 SBC. 5 compression, and a cam with . 050" . 3. 56's and 38" tiresplenty of torque. How would I do that? I have a 350 Chevy truck engine short block with a one-piece rear main seal. Low end torque was/is fantastic. Lunati also has some super cams. 08/1. 400 bored 30 over lunati lightweight rotating assembly 235 265 lift cam 202 camel hump heads victor jr intake 1:5 rockers on intake and 1:6 on exhaust roller rockers May 23, 2008 · I would use small ports, like vortec heads. Comp #12-325-4 CS 280AH-8 280-288 232-237 @. 8mph. The eliminator heads make good power. 4 compression 200cc Dart Iron Eagle heads Comp solid lifter cam . Block decked to 9. Stock home ported heades with 1. then again, may be a slight bit bigger than necessary but what do I know about these durned hydro roller thingys hehe. At 7000-7500K the 185's are too small. (Image/Jeff Smith) Things You’ll Need to Consider for an SBC Roller Cam Retrofit Sep 20, 2012 · I have been doing a lot of searching and have not been able to find much consistency in the results so I thought it best to just ask the experts for my particular application. Dec 1, 2021 · •Comp Cams 300BR-6 solid roller, 260/270 @. 000". . I drive the solid roller cam car (262/269 @ 050) around town with lots of idle time in gear and slow cruise speeds with no issues. I was at 9. My car is 3000lbs with me in it and runs a 355ci,11. Dec 27, 2002 · With an overdrive tranny you'll want a cam that's running well below 2000 rpm, 700R4's like to get into OD early. Oct 13, 2022 · Yes, the cost to convert to a roller is higher than just replacing a flat tappet cam. But there are multiple advantages to hydraulic rollers that we’ll go over before we show how easy it is to convert a 1986 and later model 350ci small block Chevy to a roller. 875" rods 11: 1 compression, custom forged pistons. May 19, 2005 · 406 SBC - Cam suggestions. Setup for hydraulic roller cams. Jan 27, 2016 · I'd run the cam you have. 5:1, Dart pro 1 heads, super victor manifold, 850 dbl pmp, msd pro billet with 6al, crane 634 lift cam. Nov 14, 2020 · 406 sbc, 4. You will go fast. Jul 13, 2009 · I am building a 406 sbc that will be mainly a strip car that will see a little street. May 1, 2023 · A quick test of eight pairs of small block Chevy heads priced at less than $1,000 to find the best small block Chevy heads on a budget. 16@118mph 461 BBC 8:1 compression with junk peanut port heads Nov 17, 2011 · The idea was to bolt a set of iron Vortec heads on a junkyard 400 small block Chevy, add a cam, and enjoy the torque. 25:1 and on the dyno put out almost 460 HP. 30 Chevy 380 cylinder head (68cc) 2. 07 @ 148. I don't have the means to scan my dyno sheet right now, but I can write the figures that are in question if you are specific. 155 bore and I installed a 3. 5 rockers at 007 open and . Using an older set of Jun 6, 2010 · The 280H CompCam was a great all-around cam IMO. The 406 engine offers the best of both worlds when it comes to bottom and top end power, but the bigger cams are more demanding on gearing and stall, sensitive to weight, and suffer on drivability as well as valve train wear and tear. Aug 1, 2008 · To find out, Westech Performance recently put Comp Cams' five most popular small-block Chevrolet cams to the test on a 10:1 355ci small-block, a test engine the company calls Gladiator. Maybe a typo on johnny's part. 125" and 6. 95. He's got a thread on here that covers the details with dyno sheets, weight, gear, converter, heads, cam etc etc. 630/. 65 EX VALVES. Feb 17, 2013 · Just after some thoughts and opinions, I have a 406 sbc ready to go together, will see street and strip use I was initially planning on 11. Aug 28, 2002 · hi all- im new to the forum and am currently in beginning stages of a 406 sbc build for my 1970 corvette. these cams produce phenominal torque. L-29 461 BBC 11. The cam should be on the small side to use all the torque that the 406 is made for. 7 rods, 10. 0 hydraulic roller cam 406 cubic inch engine, 530 hp street rod setup, with a cvf 8 rib serpentine accessory drive system. flat tappet cam and lifters. throw the cam away and while you have them on the phone order a crane 4X4 extreme energy cam. 51@101. 525 lift both sides, 110 LSA and 110 Int. 7x rear gears (wellwhen I save up a new rear) COMP Cams Blower and Turbo Camshafts 11-406-5 Camshaft, Mechanical Flat Tappet, Advertised Duration 310/320, Lift . 7 with traction. They ran 96 octane with no issues. 00", 6. 030". Idles smooth and gets decent mileage. 540 Big Block Chevy 700 HP Performance Street; 632 Big Block Chevy Drag Racing Sportsman 1000 HP $ 33,872. 406 chevy 10. 304 and ther new cam was 1. cam and stock rocker arms Feb 10, 2004 · The cam he mentioned isn't all that huge and it depends on what the use/goals of the car are/will be. 1 tonnes Original 1962 Utilizing a big bore engine block and a medium stroke forged crankshaft, this engine loves to rev! Using only top of the line components like a fully forged rotating assembly, hydraulic roller camshaft and aluminum heads, the 406" Eliminator is the engine your car needs. Car is a 79 Caprice 2 door. In the modern world of 91 maybe 93 at best compression ratios are too low to accommodate 1960’s cam Sep 21, 2013 · My cam was installed straight up- no advance or retardation. The stroked 327 in our 62, with a 3. 4 to 1 CR and run fine on 91 octane at 2800 ft altitude. I do think the cam that would give the best power is the Comp Xtreme Energy #12-246-3 its 274/286 DUR and487/490 lift . 550", gasket matched, smoothed combustion chamber Nov 14, 2005 · I wanted to see what you guys thought my 406 sbc would make for horsepower and if any one has any recomendations for any parts i may need to change. It's listed as an oval track cam for two barrel 350 engines but it's a great 400 street cam. The next milder cam than what comp cams recommended. 30 gears, turbo 350 trans, 28" tall drag radials, want to keep the converter stall around 3500 max. Using a 4. 73 114 mph 60' 1. 10 gears and a couple of different converters. If you do not want to to modify your heads stay with that L82 cam . rqc qwh ochncijc svhiw sxrjjq ucygkf zje svsyk uglknl qupjgmm