Re: best heads for sbc 327 01-02-05 07:20 AM - Post# 589230 In response to Sacto64ImpalaSS Well, if it were mostly street, Id say the 268 cam or something comparable. I am currently using this cam in a 400 sbc in a truck with a similar converter and it works well. Funny you should bring this right now. And if you don't hit your goal, you have a head that can be woke up nicely. Post This has allowed us to put a 2.125" OD intake valve and over 335cfm of flow. deal, the 227's or 235's are better. Hello everyone.My first forum post ever so apologies for whatever mistakes I make. Brodix offers several options that would get you there, but I am not as familiar with there SBC stuff. Come join the discussion about racing, builds, pro mods, hot rods, events, turbos, nitrous, superchargers, and more! FAIR is next to impossible..............plus FAIR is a place where they have rides and pigs are judged, has nothing to do with racing..............LOL!!! Peak torque saw the Jegs head take top honors with 421 lb-ft of torque besting both the Dart and Patriot heads' 417 lb-ft achievement that … In our Head Start series, we’re giving you the dos and don’ts of choosing aftermarket cylinder heads. As long as you stay with the 180, 195, or 210, you won't have to buy offset rockers, like on the 227. I dont not know what you are trying to end up with, but your cam is quite a bit bigger ( duration ) this 406 made 542 HP at 58-5900 RPM. Yopu are on the right track== You should be able to reach or exceed your golds. Both companies have very nice stuff. by bigcam406 » Thu Apr 07, 2011 1:36 am, Post etc... Other options that would get you in the 650 range out of the box are the AFR 227, and the Trick Flow 230 heads would be close as well. Small block Chevy heads are available in the following types: Vortec Head. The most common cylinder head recommendation that we suggest is listed below the cubic inch. If you’re wondering what the best head gasket for your vehicle is then you’ve probably already blown the original head gasket in your car. FLOTEK High Performance Cylinder Heads 1712 Read Street, Evansville, IN 47710 Phone: 1-800-270-0095 I Fax: 812-421-0983 Please use the chart below as a preliminary head recommendation guide for our products. Pro filer recommended a set that was $2200 bare! Overkill usually means durability. Shafiroff and SB2.2 Cylinder Heads Power Up Gen I SBC By Mike Magda February 08, 2017 The Shafiroff 440ci small-block with SB2.2 heads is built with a budget in mind, using a chain drive, iron block and stainless-steel valves. Perhaps one of the best buys in 23- degree aluminum small-block Chevy cylinder heads is the Ken Duttweiler signature TFS piece. Also my car will only see the track 4 or 5 times a year with a few street miles between trips. I have the 227 and am not unhappy, but was talking to my head guy last week and he said he really likes the Dragon Slayer. by Tony Mamo @ AFR » Thu Apr 07, 2011 6:35 pm, Post Talked with spiere racing, and pro filer. Makes perfect sense. http://www.getphpbb.com/phpbb/viewforum.php?f=59&sid=89eb10ef0349d88cdfecacc38067a2b8, http://www.youtube.com/watch?v=iW-5gMCMDRI&feature=youtu.be, http://www.youtube.com/watch?v=f0cho7b4Z5g&feature=youtu.be, Naturally Aspirated - Uratchko Racing Engines, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. I have enough cash, I just dont want to spend over $2000. Ive heard good things about the afr 227 (i think thats right) race heads, and the dart 11 degree heads, but i heard the 11 degree are race only and require block modifications to fit a stardard non world … The fully CNC-ported heads unleash 325 cfm at 0.700-inch lift from the intake ports, while the exhaust moves 244 cfm at the same lift, breathing through 2.125/1.600-inch valves. by new engine builder » Wed Apr 06, 2011 6:48 pm, Post from Wv. Part One covered the don’ts — the most common mistakes people make when cylinder head shopping. That is just based on my limited experience, and also understanding flow numbers arent everything. by new engine builder » Wed Apr 06, 2011 10:39 pm, Post If you have any ideas for less than $2000. I am selling my Dart 230 heads at a great price. Your heads are awesome though. Here is a Dyno test on a customers 400 inch SBC with AIRWOLF 220 econo heads. I never use the hyd rollers on cams with more than 242 or there abouts. How much flow do you think I would need? Page 1 of 2 1 2 Next > Joined: Aug 29, 2018 Posts: 102. Brodix claims the dragon slayer will flow 300 cfm at .600 out of the box. On the bottle has went some high 5.80's. A forum community dedicated to drag racing drivers and enthusiasts. roller cam with 255 at .050 on the intake side and 260 on the exhaust side, .600 lift, cut on 108 L/S.,Yes Joe I know it's a cam for girls. Get your next pair of AFR cylinder heads at one of the below shops to be sure you have one of the fastest rides at the track. Which is better than their track 1. I dont think its necessary for what I'm after. Same comp but bit more cam . Is there a better head for this application? Descent head for sure . You are right at the limit of hyd lifter RPM range== A solid roller would make you HP go up quite a bit at 6500. The best advice is talk to a factory tech/rep about which of their cylinder heads is best for your application. They need a minor repair done to them if your interested PM me. AFR - Eliminator SBC High Performance Cylinder Heads. 421 SBC. I like my street engines to have the HP peak a 6000 RPM or less. I wouldnt worry much about floating the valves on a girly roller SB. Post by CNC BLOCKS » Fri Aug 22, 2014 1:57 am 1killerolds wrote: Looking for suggestions or recommendations as to what 23* head/intake runner size to use for my 421 build. I've been researching a bit and have been considering the AFR of course, along with Brodix,Dart Pro 1, Pro-filers,and RHS. The best news is that all the cylinder heads in this story represent a solid performance investment for a street small-block. The 210's are cool and will work great, being a larger cu. Thanks. However both are a little more than I want to spend. 415 421 SBC Rotating Assembly Kit 12.0:1 Mahle Flat Top Pistons *350 Main* Eagle 12132 $1,929.95 SB Chevy 415/421 Stroker Rotating Assembly Kit, Eagle 4340 Forged steel Crankshaft 3.875 Stroke, 350 Main, Eagle 6.000 H-Beam Rods, Mahle 4032 Forged -5cc Flat top Pistons, 2-PC Rear Seal, Performance Rings and Bearings Included They will set you up . My vote is for the Dragon slayers. best torque was 535 at 47-4800 RPM. The 180cc, 190cc and 195cc models are CARB Certified EO #D-250-2 for vehicles model year 1994 and older.While our 210cc, 220cc, 227cc, 235cc, and 245cc SBC heads … Discussion in 'The Hokey Ass Message Board' started by 54 Chevrolet, Oct 28, 2018. We have a great online selection at the lowest prices with Fast & Free shipping on many items! by SPEED MASTERS CC » Wed Apr 06, 2011 8:43 pm, Post I made 640 hp with trickflow 230 heads on a 406 sbc . Descent head for sure . Bolt on more horsepower with performance cylinder heads from Summit Racing! Technical Best heads for A sbc 400. Solely based on the flow numbers of the brodix head, I would say its a maybe on the 650hp. The increase lifter velocity maximizes the fill rate of these heads on large stroke engines from 3.75 to 4.00”. by 67RS502 » Thu Apr 07, 2011 8:48 pm, Post There are 4 different compression charts listed. I've started to save my pennies to purchase the heads for my antique sbc 421" build. by user-9274568 » Fri Apr 08, 2011 9:39 am, Post Profile Page. Based on AFRs recommendation, the AFR 210 Comp Eliminators. Among the street heads that would fill the bill for a big small block include the 180, 190, 195, 200, 210, 220, and 227cc heads in the standard 23- degree valve angle, standard-port configuration. With a good head and a ported super victor you should be around 625-650hp with that much cam. I made 640 hp with trickflow 230 heads on a 406 sbc . Gimme a shout. I also believe that they don't need special valvetrain. I can agree with that Tony, I have said many times don't go bigger than 2.02" with flat tappets due to valve weight unless you go 5/16". Yep. by Tony Mamo @ AFR » Thu Apr 07, 2011 11:47 pm, Post Member. by bigjoe1 » Wed Apr 06, 2011 9:55 pm, Post The Pro-Filer All American CNC ported SBC cylinder head has the same outstanding features as our "As-Cast" SBC heads. Re: Best headand cam combo for 421 SBC I built a pump gas 10.5:1 400 for a buddy using AFR Eliminator 195 heads, and a mild Lunati hydraulic roller (243/251 duration .560/.565 lift). by bigjoe1 » Wed Apr 06, 2011 11:37 pm, Post Get in touch with T E A Heads . I agree with Tony and others on the LW parts for a HYD roller type engine. SBC 400 to 427 CID AFR 220-235 Head Max power 6300 rpm Peak torque 3500. This 195-cc intake port head offers excellent intake and exhaust port flow for the price. It specs .480/.494 228/234 @ .050 on a 106 lsa and sells for $69.95. in. Best cylinder head for this application. Your choice. I have all parts except heads. Especially when they have confused the issue with multiple series of heads and model names that may, or may not, reflect the true application of the cylinder head. Sporting centrebolt valve covers and a strange sawtooth, the Vortec head first hit the market in 1996. This cam was designed for 1.6 ratio to be used with the AFR heads. A little nicer head than the Track 1 227 head. Sold what I had didn't think they would cut it. Both alphabetically and from a pure performance standpoint, Air Flow Research (AFR) heads are among the best performing street heads on the market today. Local guy has a 3200lb S10, 421, Brodix 18* CNC's(forget the exact model), big solid roller, 13.5-1, etc..Glide, 4.56 gear, 28" tire. Products matching "afr-chevy-sbc-406-421-434-eliminator-heads-210cc-75cc-fully-built-1050-hr-75" Then, choose your bore (looking down) & stroke (looking across). Runs best of 6.60's on motor in the 1/8th. They actually made more TQ then the 227 heads. I made 689 on alky with dart 230 heads that were worked over, and made 688 with the 227cnc heads out of the box. All you have to do is decide which is best … Our ELIMINATOR line of SBC heads feature 100% 5-AXIS CNC ported intake, exhaust and combustion chambers; available in street and competition version. I'm not trying to build a max effort race engine. What to consider when buying best SBC Heads Type of head. For a better experience, please enable JavaScript in your browser before proceeding. Over 700 with Victor 23 degree RR on a 410 cu in. Currently building a 421. Hyd. You CAN'T make rules based on what guys HAVE..........you have to make rules based on the POTENTIAL on any given combo. Thanks for taking the time, and talking with me. Same comp but bit more cam . I am sure someone on here has a little more expertise than me, and will chime in! Customer already has a set of AFR 210's with the 76 cc combustion chamber and extra hand porting done. Head budget $2000 assembled. SBC 421/427/434 Assemblies SBC LT1 383 Assemblies SBC Short Block Kits Starters Timing Chains & Covers Transmissions & Accessories Upgrades Valve Covers & Accessories Water Pumps ... SBC Heads. Dart pro 1 heads r notorious for that, seen stock vortecs that out flowed their pro 1 230heads out of the box to .500 lift. Re: What heads for 421 SBC? by new engine builder » Wed Apr 06, 2011 11:42 pm, Post Make sense? This is a pump gas engine that is very streetable, it idles at 1000 rpm and runs on good old CA 91 octane, and with our HYD roller springs package it will turn 7200 rpm with out any valve float with std travel hyd rollers, Flow Numbers with 2.08 intake and 1.60 exhaust valves, ↳   Vintage/Classic/Historical Engine Tech, ↳   3V Performance Engine & Valve train Development, ↳   Race Cars & Parts - For Sale or Wanted, http://www.youtube.com/watch?v=UtB_wBHUYhw. But we have raised the performance level with a fully CNC ported 235cc intake runners and CNC'd combustion chamber. The EngineLabs Homegrown Horsepower series focuses on engines that are self-built by the EngineLabs faithful readers, and encompass many different styles and types from mild to wild.. Depending on your combination, the 195 Eliminator is possibly the best all-around SBC performance head on the market. Little above your budget but my pump gas 427sbc made 640/600 using brodix 227 100% cnc heads...reason i went that route...no exotic valvetrain stuff. on my 422 dart little m we used Afr220 older castings makes 668 @7200 jesel shaft rockers & Manley springs/valves 13:2 cr. Its in his full weight, street driven S10 Blazer with 700R4 and 4.10 gears. Dart 227cnc heads will do it. I can't see 650 being a problem at 421 cubes . by 67RS502 » Thu Apr 07, 2011 8:27 am, Post Shop cast iron, aluminum, CNC-ported, CNC-profiled heads & more. Get the best deals for small block chevy aluminum heads at eBay.com. First, pick your compression. JavaScript is disabled. I would use comp cams XFI lobes and the 1.6 rockers. You don't need a $2500 head to make 650hp out of 421 inches. But, since it sounds like you want more of a hot car to play with, Id say the 274 would be a good change if you wanted to go that way. This engine has 10.7 to on compression, and I run it on 91 octane pump gas. A few days ago I run a similar 406 on the dyno==Afr 210 heads, 236-242 hyd roller, with an RPM airgap manifold. Shooting for 650 hp. However with those heads I would look for similar .050 duration with more lift on the 106 lsa. Now we’re taking what we’ve learned from those mistakes and assembling some basic tips and guidelines to help you choose your cylinder heads wisely. But to be bulletproof and last forever, you do. 9 results. by 1bossnova » Fri Apr 08, 2011 10:03 am, Powered by phpBB® Forum Software © phpBB Limited, General engine tech -- Drag Racing to Circle Track. by trmnatr » Thu Apr 07, 2011 6:51 pm, Post Ive been looking at some different heads for my upcoming build, some aspects of the build arnt worked out yet but what are the best all around power making sbc heads. The dart 230cc heads might do it, but would for sure with some work. With a similiar cam, comp. I'm building the 421 so I can get to 650hp without being as radical as the smaller engines I have built in the past. I can't see 650 being a problem at 421 cubes . If you’re still not sure why your old head gasket failed, it’s important to learn the reasons for head gasket failure before you get your engine repaired and put back together so you can avoid this in the future. I am leaning towards brodix dragon slayers. Heres a neat thing with most head companies.....the flow rates listed are what "could be" with work...out of box they dont hit those numbers. I think you figured out the problem. Chad recommended a $2500 set. Your bigger cam will get the peak right up where the hyd lifters are not too happy. The cam will maximize RAM Effect and fill cylinder for increase VE. It was equipped with 170-cc intake port volume, 1.94/1.50-inch valve sizes and a 64-cc chamber. by Tony Mamo @ AFR » Thu Apr 07, 2011 7:22 pm, Post I've not seen any Brodix heads that impressed me any more than my "as cast" AFR 220's. I am very familiar with AFR heads on 400s, and they are a great choice. '69 Camaro - 429 SBC Dart Iron Eagle 9.325" block, Crower crank, Crower 6" billet rods, Ross pistons (10:1), Total Seal rings, AFR 245 heads, T&D steel body shaft rockers, Cloyes Timing set, custom ground 4-7 swap solid roller 274/286 @ .050" with .704" lift, Dart single plane, Holley Dominator EFI on E85, Injector Dynamics ID2000 Injectors, Stef's #1705R oil pan, F2 … What Are The Best And Worst Small Block Chevrolet 350 Heads March 4, 2019 Roadkill Customs Technical Info So, you’re building a budget small block Chevy 350 — what heads should you be looking for and which should you stay away from… So take advertised numbers with a grain of salt. 54 Chevrolet. SBC Dyno Below you find a list of hand selected small block chevy dyno results from the nations best engine builders.

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