350 with 76cc heads

What Makes an EQ Cylinder Head better than the rest? Highest Feb 26, 2008 · 350 chevy heads? Im lost right now when it comes to heads I want to upgrade my motor and I dont know which heads to go with I want aluminum but I dont know what they are talking about when they say 202 170cc 160 cc ect ect!!!! i dont know which one is better can any one educate me on this all I want are some good The newly redesigned Vortec cylinder heads were intended to replace the swirl-port Throttle Body Injection heads that were previously used on GM 350 trucks. Some of the heads with large flows and big runners are not going to be good street heads, since they will have slow flow through the runners at street rpm. 7 at 9. Alleen geregistreerde Members kunnen de topics bekijken. Flattops are completely flat, except most have small valve reliefs in the middle. Apr 13, 2015 · Types of GM Vortec Heads. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. 1 for every If your current heads have 76cc combustion chambers and your 461  462624. 02″ intake, and 1. We offer a plethora of 350 Cylinder Heads for your vehicle needs. 72 intakes so this is an improvement. Engine Quest produces cast-iron cylinder heads for small-blocks with a 76cc combustion chamber and 167cc intake runner. D. This GM factory built 350 Chevy engine is a direct replacement engine for most 1969 thru 1984 vehicles that were originally equipped with a V8 Chevrolet engine. 73. Now, when the question “what heads are these, and will they work for me?” arises while walking around a swap meet, you can at least know what is sitting on the ground or table in front of you. JEGS has the GM Goodwrench Chevy 350 for sale at a great price! Specifications. There are guys who like the 305 heads enough that they will rework them for use on a 350 SBC. . Dart Iron Eagle S/S 23° 165cc heads produce great throttle response and low to mid-range torque for street performance engines. put the flat tops in it with the big 76cc 350 heads. a stock 350 head flow numbers are low enough. 50 tbi valves cast iron v8 cylinder heads centerbolt. 02" Intake/1. 73 10 bolt posi rear end. This assures you of the highest value and quality in cast cylinder heads and aluminum cylinder heads for Chevy, Chrysler, Ford, Isuzu, Mazda, Nissan, Mitsubishi and Toyota vehicles. turnkey crate engine with iron dart heads or second generation vortec heads . The machinist that worked on my vortecs was concerned about the amount of compression with putting the new heads on and suggested putting in dished pistons in place of the flattops that are in there. Doing some research and found that I can raise compression to 9. 40072-802 355909. 5:1, I will get a high stall converter but when I know what I'm running and match what I have to motor and cam. 125"-plus is not unusual, but this is usually only done where a race track/series has rules regarding what cylinder heads can be used. 02/1. Feb 24, 2011 · i have a 75 corvette, wich I am restoring. The castings that you have 462624 are in reality just run of the mill SB 350 mild heads. I have a set of 305 heads 58cc 1. The ports are simular to the 350 vortec heads. 02: 1. 60 in. Thanks. 130 pounds for the pair. Valves all look to be in good working order and seated tightly to the head. Nov 29, 2007 · I've got 76cc heads on my 350. 60: over the counter 23 degree, angle plug, 196 cc intake runner, Aluminum Oct 28, 2003 · Heads: GM #441 castings, 76cc chambers, 2. 94 intakes. 33417369 350, Gen. Please review the FAQ. need the actual compression of your setup now to complete this calculation. 94-1. The engine is covered by a GM warranty for three years or 100,000 miles in applicable GM vehicles only. 72/1. the intake and exhaust valves are the same. 2 355909. 5" 76cc chambers but early thick casting heads. Date Code reads L-5-5 (12-05-1975). 030 over and the vett is 113,000 "stock" motor. 5, flange VC holes, heavy castings World Products Cast Iron Heads ( by part numbers ) 4351 67cc, 162cc intake port It has to be remembered that the 76cc "smog" heads are among the worst flowing SBC heads of all time. 500 - $469 (Fairmont) what are some good 350 heads i can find in a junkyard? Discussion in 'LS1, LS2, LS6, LT1, SBC Turbo and other GM Specfic Turbo Tech' started by stevedave454, Jan 10, 2006. 00 They came in many trims ranging from 165hp to 290hp and were fitted with 76cc cylinder heads which produced a compression ratio Ford 429 460 300cc 98cc CNC Solid-FT Complete Aluminum Cylinder Heads. i have a 350 engine a guy gave me a few years ago. gm chevy 350 76cc sbc 1. The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. and youll have plenty of torque, run cool, and run on cheap We are always looking for new castings numbers. They were fitted with either 1. 5" street sbc casting numbers. Jul 12, 2012 · We compare and contrast eight budget small block Chevy heads. The only diff. Casting numbers S/B Chevrolet cylinder heads: Number Year: C. 3:1 compression, but in reality, it was really about 9. Sep 22, 2010 · The 416's (your heads) was NEVER installed in a 350 of any type by GM/chevy. the 58cc heads will jump it up to 9. Trust the pros at Speedway Motors to not only help you select the right cylinder heads The story is this - I have a 350 one-piece rear block that I got last year that to my surprise had a forged crank and domed pistons. Pm for a video of running 350, 30 over 80’s block been rebuilt 4 bolt main I believe 207 block 882 heads . 50 Valve Centerbolt Tbi Cylinder Head 87-92 Rebuilt. 5bi import heads. 5 or 2. 94 1. Block number is 14010207, stock rotating assembly, flat-tops, stock 76cc heads with better springs for a Howards cam Apr 11, 2012 · Does the Oldsmobile 350 heads add more compression to the They came in many trims ranging from 165hp to 290hp and were fitted with 76cc cylinder heads which produced a compression ratio of 441 heads are good flowing heads. I have a set of 3973487X heads from a 327 motor, but I believe they are 76cc also. 02 / 1. 7 crate engine sale. Our stock replacement cylinder heads live up to EQ’s reputation for quality parts and incredible service. 75. 6 Valves 333881 350 74-75 76cc 2. 39 conversion = 103 cc Re: 64cc versus 76cc heads - Info please 11-27-04 01:15 PM - Post# 561990 In response to gotta56forme I've overhauled the heads on my 78 vett and my 65 c10. Most of these heads had accessory bolt holes and were identified with casting numbers ending in 186 or 492. it has the L48 350 engine, wich has 76cc heads,2. O. Nov 01, 2000 · Continuing with our 350 engine example, with a 4-inch bore and the piston top ½ inch down the bore, a perfect cylinder would measure 0. 94"/1. The Vortec heads come with a 64cc combustion chamber, while the Corvette heads use a smaller 58cc chamber. They are designed to use 2. 7L small block Chevy cylinder head rebuild video. 02 VALVES 327 350 400 CHEVY CYLINDER HEADS SBC BRONZE GUIDES . I think this puts me at about 9 to 1 comp ratio with the flat tops. To prevent spam we require users to register before they can post: please click register to proceed. YEARS: CASTING# CID: Intake : Exhaust: CC : COMMENTS: 1971-75: 330545 : 307,350 : 1. The S/R Torquer heads are available in 67cc and 76cc versions for engines up to 1986 and 76cc for 1987-later applications. Tech / General Engine - 79 350 with 76cc heads LOW COMP. 50" heads, rv style camshaft, longtube headers, edelbrock 600 carb. Is it possible to run LT1 heads on a 1972 350 block? currently I am running the 350 with a mild cam, stock heads, block is bored 60 over, headers, 600 edelbrock carb. 5:1. 6cr Thing is a beast from bottom through top. I can tell you those heads are "hecho in mexico" it should say that somewhere on them around the valve spring area. Im looking at putting a set of heads off of a 79' 350 on to the 305 in my 86 EC. i found this on another site These 305 vortec heads are simular to the 350 L-31 heads but not the same. 5001 : 74 : 1971-73: 330862 : 400 : 1. 20 over also. 0:1 compression forged-aluminum pistons producing 250 hp (186 kW Actually, with one exception, 400 heads ARE 350 heads, with "steam holes" drilled in them. I was thinking about a set of 64cc heads, but in my 3/4 ton truck I am worried about detonation. And they do. You can have a killer camshaft, valvetrain, intake manifold, carb, and headers, but if you bolt ‘em to a weak set of heads, you won’t make power. how much hp did my stock 305 H. These heads need to be COMPLETELY rebuilt as you can see due to rust from age. !!! - So I just picked up a L48 350 out of a 79 z28 yesterday and im starting a list of  5 Aug 2001 A 12 cc dished piston with 76cc heads would be about 9. if you want to run 87. Apr 18, 2012 · Alright so I'm looking a 1971 Chevy 350 out of an El Camino and I'm trying to figure out the head specs i. 38:1 using a . 00. 50 valve centerbolt tbi cylinder head 87-92 rebuilt - $245. I found this thread with close to the information I need to run the calculator, but it is for a 400 not a 350. 99 on motor and 10. 5″ exhaust which is the same as the L48. Each component undergoes a detailed manufacturing process that involves the hundreds of calculated and precision steps to ensure the finest quality possible. Cylinder heads flows fuel/air in and exhaust gases out, so needless to say, it's important in building horsepower and torque. Nov 04, 2010 · I was giving an example of how smaller combustion chamber heads will effect the compression ratio on a SBC 350. 0:1 once you cracked one open and measured how far the piston is in the hole. This assures you of the highest value and quality in cast cylinder heads for Chevrolet vehicles. valves, pocket ported hole in the V6 block to be remedied with a built 350 V8 and GM 462 double-hump heads. They have a combustion chamber that is more like the L98 TPI heads 081 and 083 cast iron. We will be using Patriot Performance Freedom Series heads with 64cc combustion chambers and 185cc intake runners (about 190cc after bowl blending) When building a big cubic inch small block, it will be necessary to run a dished piston to keep the compression ratio down to our target of 9. 020-inch below deck, and a 76cc combustion chamber, and with a composition head gasket this puts the static compression at 8. the TBI heads are 64cc chambers, not 76cc. The Shocker 200 CNC ported Ford FE is exactly what the FE community has needed. (what modifications would need Chevrolet Head Casting Numbers. 245. 60 333881. the standard 76cc tha First off i have a 1979 4 bolt 350 sbc crate engine, it was bored . Jump to cylinder heads. For the flow remember bigger is not always best. Edelbrock Performance Cylinder heads are manufactured of A356 aluminum and made in the USA for AMC, Buick, Chevy, Chrysler, Ford, Oldsmobile, & Pontiac engines. i pulled the casting number off of the block (10066036) and googled it. You'd have to change intakes too. These same guys would NEVER consider using the c/n 882 head, period- even on a 350, where it would make better compression than on the 305. However, this 64cc chamber is still smaller than the stock Goodwrench 76cc iron castings. I would hazard a guess that you may get around 340/350 HP with that combo. that is my simple explanation. These were commonly used on GM's target master engines made in mexico. The use of these cast heads are encouraged due to their extra thickness and increased strength. 5 to 1 compression ratio engine. 6 valves Right angle" casting identifier, 64cc chambers, good HP head, used in trucks  used options and get the best deals for Chevy 400 333882 74-80 76cc Cylinder Head at the best online prices at eBay! Chevrolet GM#333882 Cylinder Head K26 73 Used W/ Valves Manifold Bolts Cylinder Heads & Parts for Ford F-350  20 Dec 2009 We have read where putting the 305 heads on the 350 would be a it is a stock 350 out of a 1984 GMC van so I would assume 76 cc heads?? Another major difference between the older 64-cc heads and the later 76-cc heads For a 350-ci small-block, this smaller chamber automatically pushes the   14 Mar 2018 These are the pistons I planned on using with my 882 76cc heads but my engine combo 350 std 0. New and Used Automotive Parts and Accessories On Sale. please include casting number when ordering. Combustion Chamber Volume: 76cc 283, 302, 307, 327, 350, 383, Bare Cylinder Head Style  14 Sep 2015 So, 8cc with a 76cc combustion chamber = 8. You proably have like 8. what would be the gains, if any? and how can this be done. 498 lift cam Hydraulic roller tip rockers Eldebrock torquer 2 intake 1405 eldebrock carb 600 cfm Moroso valve covers Moroso breather cover Double roller chain Headers New plugs New wires It does have a msd distributor that is new and can volume is 62CC's. I am going to be using a set of reconditioned and resurfaced 882 76cc heads that I already have. 50 tbi valves cast iron v8 cylinder heads centerbolt . (casting #333881) I want more power from the engine. 5 full roller rockers installed would support roughly 350HP. So I am researching a head swap for my 350, I have those awful 76cc smog heads but a good bottom end with 4 valve relief flattop pistons. Guide to Chevy Small-Block Production Heads Every step of the small-block Chevy’s performance history has originated out of production parts. 5, 1. --- --------------- 68 Camaro, 383 small block with TH350 trans. stands behind each product we manufacture 100%. CHEVY CASTING NUMBERS. 305 heads, 58cc chambers usually. I don't have heads though. 50 exhaust). 5 The STOCK 70-74 heads, which are 76cc heads, used with 5. High-performance efforts have always begun by improving upon what the factory built, and the smallblock Chevy is the poster child for that effort. 630 int and exaust lift with 114 lobe separation weiand 6/71 supercharger with 8mm drive 2 holley 700 double pumper running 9% under on street 9% over on strip for a best of 9. 64cc heads would put you into the 89 octane gas range. GM advertised the TBI 5. The old heads were camelhumps I think like 76cc?its bored . 6″ exhaust, but was still 76cc. That is the benefit of aftermarket heads. 30 over ,lunati crank and rods,Je,7. Cast number/year/block found on/notes 330545. 42. We show how to check and lap valves, how to clean the cylinder heads, and how to install the valves seals. Chevy 350 5. 94" Intake/1. Parkersburg, WV > Buy & Sell > Auto Parts Sale in Parkersburg, WV > 2. you already HAVE the vortec heads. Caveat: It should be noted that many of the casting numbers are not 100% verified and a second source is not always available so these should not be taken at face value. 5:1 flat top pistons, my heads are 76cc 2. What Cabelguy said. fits years 1987-1992. 5cc 3991492 350 70 "Camel Hump" head, LT1, 64cc, straight plug 3991492 71-up Replacement head, 64cc, straight or angle plug 3998916 350 72 LT1, 76cc, screw in studs, large valves Sep 05, 2002 · Depends. Whether you are a race team or a professional engine builder, EQ is the approved supplier for the IMCA Sport Modified and Hobby Stock Cylinder Head. 60 valve heads with 76cc chambers, and currently have stainless valves installed that will clean up. No matter what you're driving, we have the right 350 Cylinder Heads for your automobile City Motor Supply is a third generation, family-owned business providing precision quality remanufactured engines, automotive parts, and machine shop services since 1943. Chevy SBC 350 Hyd FT 190cc Straight Plug Cylinder Head Top End Engine Combo Kit. Dec 30, 2009 · They have a decent flow with a little port work and the heads I was using were the crack prone 624 heads with 1. (assume on a stock 350 small block) Speaking in generalities and assuming no other changes, what's the relation between cylinder head combustion chamber size and overall engine compression? Does just changing heads from a stock 76cc head, to a head with a smaller chamber make that much Dart Machinery, LTD. Get all the numbers at carcraft. Only one I know of specific to 400. 94/13. due to them bein 58cc or so. 1973 Chevy 350 Ported & Polished 2. 28 ci x 16. Our precision cast ports and chambers produce outstanding air flow without time consuming porting. At a base horsepower of 195, the engine can produce up to 260 HP and 350 ft/lbs torque with a 4-bbl carburetor and headers. I pulled off the heads for the 350 and the casting number is 3951598. What is the compression ratio for a 350 with 64cc heads and 7. Dec 12, 2018 · To help you answer that question, we have put together this cylinder head ID listing of Gen-I and Gen-II small-block Chevy heads. 6 valves, by my research. 350 CHEVROLET CYLINDER HEADS 350 CHEVROLET CYLINDER HEADS, Need rebuild, casting # 333882 - 1970 thru 1980 - 76cc chamber, 1. com or the September 2012 issue of Car Craft Magazine. You just have to calculate the amount to make them usable. Hardcore Horsepower owner Mike Petralia has been a proponent of 400-Chevy based small block motors for a long time; and why not? The larger bore encourages superior breathing with today’s high flowing heads and you can get them with either 350 or 400 mains depending on how solid you want to make the lower end. ya you get more compression. 94 intake vales, but had a 1. 5cc 3991492 350 70 "Camel Hump" head, LT1, 64cc, straight plug 3991492 71-up Replacement head, 64cc, straight or angle plug 3998916 350 72 LT1, 76cc, screw in studs, large valves 3998920 350 72-73 The industry’s most popular true high performance cast iron cylinder head has been continuously improved since its introduction over 20 years ago. I found a very good deal on a set of fresh 76cc heads. In fact, if you’re ready to replace a worn out or cracked cylinder head, you won’t find a better product available anywhere. com FREE DELIVERY possible on eligible purchases I currently have a 350 sbc 60 over with forged flat top pistons and stock crank and rods. 030 over, 76cc 1. Afr Sbc 180cc Cnc Ported Aluminum Cylinder Heads 327 350 Small Block Chevy 0911. Small block chevy head castings; Casting # Combustion Chamber size CCs Intake valve Exhaust valve Production Years Misc Engine; 10033867: 62cc: 2. should i put the original 350 76cc heads back on or could it be something else. 222718112003 The heads are just what I had laying around, the combustion chambers are about 78cc and they have really small valves (1. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. The 997s mentioned are among the better flowing "stock" heads. 84/1. 6" exhaust valve. it came to a goodwrench motor that as sold it made 290hp 325ft-lbs on the dyno. 94/1. Gm Chevy 350 76cc Sbc 1. 50 Valve Chevrolet Performance 350 CID GM Goodwrench 260HP Small Profile V8 Engine (10067353) - Compare Prices in Real-time, Set a Price Alert, and see the Price History Graph to find the cheapest price with GoSale - America's Largest Price Comparison Website! Wanting to find Chevy 350 Remanufactured Cylinder Heads online? Find Chevy 350 Remanufactured Cylinder Heads on sale here with the largest choice of Chevy 350 Remanufactured Cylinder Heads anywhere online. This is often "open chamber" SBC heads as was used in the smog years, the idea being the costs associated with engine building will be less using these commonly available heads. HOWEVER, having a 1990 350. 50 = 6. 125 dome pistons, 76cc ported 882 heads  26 Dec 2001 The 400 ports are as big as any SB heads and they come with 1. But still, just average heads. Up until 1971, 64cc chambers. 50 valves cast iron v8 cylinder head centerbolt fits years 1987-1992 core return required. You will. 275" dome. 7:1. 4-bolt main with a 2-piece rear main seal I'm building a 350 and was wondering if a set of 76cc 1. (Dyno Proven) Combustion chambers available in 64cc Nov 12, 2012 · Well, there's good news and a little bad news about these heads! The Good News; Chevy used these heads from 1976 to 1987 on 350 cid engines. 94" Intake 1. be/q7unh0qkxey Buy products related to small block chevy heads and see what customers say about small block chevy heads on Amazon. _____ gm chevy 350 76cc sbc 1. Free shipping . I'm looking at two different 350's that are local for me online and want some opinions on which might be a better motor. C/R 58cc=10. Some one has removed the factory 76/78 cc heads and put the 305 HO heads on it to gain compression, which was an old trick from the late 70's and 80's. 268 , ex. New and Used Car and Truck Parts and Accessories On Sale Automotive Parts and Accessories. The L82 had 2. The 950 castings do not have a smog rail on them. it listed the head and cam cast/part numbers, and the carb and intake that was used during dyno. This Calculator is designed to tell you how much you need to mill your heads to achieve the . 030 and used 1:6 rockers. I want to shave the heads down to bring my compression back up, but how much should I Feb 26, 2008 · 350 chevy heads? Im lost right now when it comes to heads I want to upgrade my motor and I dont know which heads to go with I want aluminum but I dont know what they are talking about when they say 202 170cc 160 cc ect ect!!!! i dont know which one is better can any one educate me on this all I want are some good I am in the process of building a sbc 350 for my '65 C-10 and have a couple of questions before I drop it off at the machine shop. this is a limited time sale pricing (350 - 375 hp) come with the 76cc gm heads. I was worried the heads would be too big for my application, but chad assured me they would work great. Say later you want to strictly race the car or sell the engine. May 07, 2007 · The S/R Torquer heads are available in 67cc and 76cc versions for engines up to 1986, and 76cc for 1987-and-later applications. 50" exhaust, just take offs, have not been checked for cracks, do not look like they have been rebuilt before. 35080-842 330817. will these heads work ok? May 17, 2009 · Small-Block Chevy Build - Cheap 350 Phase 2 Change We Can Believe In: Higher Compression Plus A New Cam And Heads Push Hot Rod's Cheap Chevy 350 Output To 420 HP-Still For Less Than $3,000. other than that, i have to get some measurements. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads Whether you race Pro Stock, Super Comp, or just want to rebuild your old Chevy 350 small block, there are cylinder heads just for you! Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. Heads with short double-hump casting marks were used in later high-performance SBCs. As stock, they afford no gain over the 250 and 902 castings other than a slight weight advantage. They are not like the "swirl port heads" either. This really isn’t bad. he said it was a target motor unsure of the year he bought it. I really dont want to have to replace perfectly good pistons but dont want a ride that runs like crap on pump gas ya know Locate Gm 350 Heads on sale below with the biggest choice of Gm 350 Heads anywhere online. 480" Stroke. This information has been gathered from several sources and has not been verified I am assuming you are balancing the rotating assembly (crank, rods, pistons, etc. Top Ten Production CSB Cylinder Heads No’s 1-6 are small-chamber, hi-comp and must have dished pistons to get comp below 10. Find CHEVROLET 5. 94 : 1. 3973493 400 71 76cc 3986316 350 71 Corvette, 76cc 3986336X 350 76cc 3986388 307,350 68-76 3986339 307,350 71 74. /performer intake most likely going to have? 76cc combustion chambers. 26275-762 2 NEW GM GMC CHEVY ESCALADE VORTEC 5. But I used them with a good piston to build compression and 2. (came out of monte carlo) have? and how much would my stock '79 350, . 4, 76cc=9. The least expensive online catalog for all your 350 Tbi Heads needs. Ultimate Chevy Big-Inch Small-Block Cylinder Heads Cheat Sheet Now we get into the heart of small block power. 7 350 906 062 CYLINDER HEADS BOLT&GASKETS . The TBI 350 in caprices had 64cc chambers for 9. Available in 3 stages of performance. The Vortec heads are a little bit lighter than the older heads and have a “kidney” or “heart” shaped combustion chamber that is more efficient than the double hump chamber. these heads are sold as a pair. please include your area code and telephone number May 02, 2013 · I'm reviving a 1971 Jaguar XJ6 which I'm installing a 350 into to replace the 305 that is in there now. 7854 x 4 x 4 x 0. 350 . Designed to replace production engines used from 1973-1985, it features a durable, yet value-driven, short-block assembly and iron cylinder heads with early-style perimeter hold-downs. The valve seats are hardened to provide compatibility with unleaded gas. 50" valves, DO have accessory holes, intake port volume is 160CC's, exhaust port volume is 60CC's. 0:1 compression right now. The 120cc heads were produced with casting numbers 493 and 552. High Performance Chevy GM 5. This Heavy Duty 350 motor has upgraded parts and is rated at over 300 horsepower and 370 lb/ft torque. The L31 Vortec heads have larger ports than the older Gen I cast steel heads, so they outflow the older heads. The least expensive online catalog for all your Chevy 350 Cylinder Heads needs. If you have some information you want to share with us and our visitors, stop by the Forum and leave us a post! Right now we are limiting the listings to Chevy V-8 blocks, cranks and heads. Nov 23, 2008 · I rebuilt a chevy 350 and i'm having trouble getting any horse power out of it. That is if in fact, they are factory original 350, they would have the larger valves, but they would have large combustion chambers and poor port/air flow. 5 valves (casting # 14014416) Ive been told that the 305 heads would increase compresion and horsepower, I would like more info, and 350/400 CHEVY SMALL Block Cylinder Heads 333882 Casting, Date Code L-5-5 - $120. 76cc chamber, 2. 50" Exhaust, or 2. 4 Reviews | 7 Answered Item Details. This means that the conmpression is down from the aluminum heads but is still higher than the stock iron heads. 50 Tbi Valves Centerbolt Cylinder Heads 87 Milling 0. 6 Valves 333882 350-400 74-80 76cc 160 / 60cc Ports 340292 "Turbo" Angle Plug, 64cc, 2. The c10 in 350 bored . 75-86350/40076cc chamber, 1. I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. These heads flow over 350 CFM. Then in 96 with the Vortec headed motors, they went back to 64cc on the 350. 76cc All new - not remanufactured! The classic 350 is offered here in our most economical Small-Block engine assembly. 91 . Combustion chamber size. 5 to 1 compression ratio. i put a set of 305 58cc heads on it and was wondering if that might be the reason it's running doggish. 73 with mt 33" by 21. no core return required. When ported properly, they do show a flow gain over ported 250 and 902 castings. It has stock 76cc heads. The torque will be there for sure, like around 500+ ft/lb The stock 8. 2010 Chevy SBC 350 205cc 64cc Straight Hydr-FT Complete Alumi: Cylinder Heads - Amazon. I am hoping to build a mild to decent street engine. 305 heads SUCK. 94 valves new Aug 25, 2013 · your building a budget small block chevy what heads should you be looking for and what to stay away from see part 2 http://youtu. A . These heads were found on early-late 70's 350 and 400 engines. If your into extreme reliability from sub zero arctic conditions to summer desert heat, these cast heads will handle the punishment for your performance application Oct 22, 2019 · They are factory 2. 5001 - 1971-76: 333881 : 350 They are factory 2. - SBC Cylinder Head Info - I've compiled the following information on SBC Cylinder heads to help compare them. 00 obo Manufacturer of high performance cylinder heads and manifolds for ford and chevy These heads are easily identified by the last three digits of the casting number: 461, 462, 186, 291 and 492. 94″, and 1. The Camel Backs are often confused with the "fuelie" heads found on fuel-injected Corvettes, but measurements of the intake and exhaust ports will reveal the Camel Backs are installed in the carbureted 302, 327 and 350 engines. If you currently have 8. I run Hooker Headers and 2 1/4 pipe with a set of turbo mufflers. They were used from '68 through '72 on 302 CI Z-28 engines as well as '70 through '72 in LT-1 350 CI Corvette/Z-28 engines. Edelbrock RPM performer intake and hei distributor and MSD box. What can I expect for compression ratio with the 58cc 305 heads vs. im running the stock pistons, and the block has not been bored or shaved. Butler LS and Butler Pontiac are part of Butler Performance. 7L/350 Chevy small block Gen I Cylinder Heads with 76 Combustion Chamber Volume (cc) and get Free Shipping on Orders Over $99 at Summit Racing! gm chevy 350 76cc sbc 1. Bare castings only, no other parts included. 0 to 1 pistons,airflow research 227 heads,comp cams custom grind roller,int. 600" Straight Plug, Bare Casting . 5:1 w/76cc Chambers) I want to install bigger 1. My EC is no longer computer cotrolled and does not have and of the emission stuff on it, other then that it is a stock motor. 140029. 00 drop 150. e. 30576-792 360851. If you Do not know your current . 3:1 on a 350. We offer a variety of 350 Tbi Heads for your automotive needs. 1 Get Free Shipping on Cylinder Heads at Speedway Motors. 50 heads that have been ported and polished and have 1. Compression Ratio, go to the Compression Ratio Calculator to figure it. I was thinking of bolting a set of 58cc 305 H. Mar 24, 2017 · This is a 350 5. So use the longer-duration 12-238-2 Comp cam rather than the 12-235-2. 350: 76cc chamber small valve: 376450: Dart cylinder heads are available from both Summit and Jegs, along with many other authorized Dart dealers, listed on the company’s website. it called for a holley 600cfm and Chevy 350 Cylinder Heads. 70 on the spray. No’s 1-7 have nonhardened exhaust valve seats which must be replaced for use with unleaded fuel. Bolt on from 30 to 70 additional H. The newer Vortec "style" heads (that ones for you Doclol) are a good choice. 5cc 3986339X 307,350 71 74. As with most engine components, bigger isn't always better and selecting the right heads is crucial to making big time horsepower. 7, 64cc=10. The S/R Tourquer cylinder head is the preferred performance alternative to expensive OEM castings or junkyard rebuilds. 020-inch intake and 1. In a SBC 350 you'll increase you compression ratio about . will be weight over the Aluminum. My cam has lazy outdated lobes, tightish converter, hurricane manifold, 10. Call 865 573-9151 for more details. Chevrolet Small Block Casting Numbers. 125" domed piston, and about 10. In reality, the 290HP SAE gross rating of this engine probably translates to about 230HP SAE net (the 1971 L48 was rated at 270HP SAE gross and 210HP SAE net). which would actually make you have to run premium now. 7 3973487 71-72 76cc Cylinder Head. I'm not planning on using the heads I've got some aftemarket heads but I wanna know the combustion chamber size so I can figure the compression ratio with my new heads. No matter what you're driving, we have the right Chevy 350 Cylinder Heads for your automobile World Products 042660 - Cylinder Heads Cast Iron Chevy Small Block S/R Torquer 170cc 67cc 23Degree 2. Mine are on 405 ci sb in a heavy, poorly geared one ton truck. I guess I need to cc my heads and pistons and finally lay this one to right once and . 020" x 1. ) Say you go with 76cc heads and end up with 9. 350 Cylinder Heads. With 200cc intake and 69cc exhaust ports, World’s Sportsman II heads offer 30-70 horsepower gains over OEM heads, yet are 50-state emissions legal. These heads are made of On further consideration, the Vortec heads have higher static compression than stock heads and can take a little more duration without bottom-end torque going in the toilet. Find 350 Tbi Heads on sale here with the largest selection of 350 Tbi Heads anywhere online. 50 valves. They also have aluminum spring retainers, but one spring and retainer is missing. 60 exhaust valves and 1. AU $1,098. They had 76CC combustion chambers, 1. The motor is all stock inside other than a Comp Cams 270H cam, oh it also a holley 600, edelbrock 2101 intake and 1 5/8 headers. They are nothing special, just 1. 274 with a . "882" – 333882. I, Crate motor, Hecho En Mexico, 7 bolt ex, 76cc, 1. 02" heads but with a Rochester Quadra-jet 4bbl carburetor and dual-plane aluminum intake manifold, the earlier L46 350 hp (261 kW) 350 hydraulic-lifter cam, and 9. Used set of 333882 350/400 76cc Small Block Chevy heads. Much to my surprise they are Chevy 400 sbc heads around 76cc with 1. That may not be an issue unless high HP and torque figures are desired. Nov 26, 2007 · The 76cc heads use casting numbers 250, 902, and 950. 350 heads, it depends. Jan 01, 2014 · I'm away from my workshop for a week or so at the moment so unable to get numbers, yes it's a good old 1989 hencho en mexico crate 350 motor, I presume they are the low compression 76cc heads, so I believe it to be 8. I have a 350 turbo with a shift kit and a 3. I used them because I had them. The 1973–1974 L82 was a "performance" version of the 350 that still used the casting number 624 76cc chamber "2. We would like to thank everyone that has contributed to the data provided on this site. The L48 RHS is the leading developer of high performance cylinder heads, engine blocks, intake manifolds and related components for street performance and race engines Racing Head Service (RHS) JavaScript seems to be disabled in your browser. 60 76cc heads - #330545 D273 (Collegeville, PA) $300 The only thing about the 425 heads is that the ports are a bit smaller than the 472/500 variety. 7 chevy 993 76 cc cylinder heads 1986 & older 1. P. 350. I to think Vortec heads would be better then 461 heads. 5:1 compression with 76cc heads, then yes if you put 64cc heads on your engine your compression will be around 9. 50 tbi valves centerbolt cylinder heads 87-92 reman details about 350 5. Jan 20, 2015 · I am using chads v2. com FREE DELIVERY possible on eligible purchases 12-31-09 03:41 PM - Post# 1833822 i have some power pack heads off an old corvette 283 that i have on my 350 im building right now , the heads i was going to use had a crack so im resorting to these, its got a mild hydraulic cam and new lifters roller rockers and a holley 650 mechanical secondary . We offer a plethora of Chevy 350 Cylinder Heads for your vehicle needs. and edelbrock performer intake. It is usually found on the top of the head in between two valves and the rocker arm studs. and a 305 head just cripples a 350. I run 89 octane in my flattop-pistoned 64cc chamber 350 and it works pretty good. World's SR TORQUER provides up to 30HP over stock heads. Nov 22, 2004 · Chevrolet SMALLBLOCK V-8 - HEADS Casting Numbers Hier vind je allerlei Technische Informatie welke betrekking heeft op diverse Amerikaanse auto's. What you will end up with is a balanced 9. 6 and i was wondering what is a good choice for a cam (F/T)? pretty new to engine building so any suggestions would be appreciated? Thanks I made quite a few bucks turning 76CC 350 Chevy low compression heads into 60CC "cheaters" for the round track guys to use on their claimer engines. 600-inch exhaust Cylinder Head Casting Numbers for Small Block Chevrolet V8 Some cylinder head casting numbers for small block Chevrolet V8 engines (265-283-327-350-400). I. The number one choice of hot rodders and restoration projects for installing a new Small Block Chevrolet crate engine. 60 valves and made about 465 hp out of a 355 with them. 5:1 but trucks continued to get 76cc. Hope this helps. $1,966. 74-75350. 100" angle mill job gave the heads enough compression to be competitive and they still had the right casting number to get past the tech inspectors. EngineQuest stock replacement cylinder heads live up to EngineQuests reputation for quality parts and incredible service. On the truck I had the 76cc heads taken down . 60" Exhaust Valves, all these heads had 76cc combustion chambers. $ 175. Mar 24, 2017 · With a composition head gasket, the piston 0. If you were sticking with 76cc chambers, then the 12-235-2 would be the better choice. 50 Tbi Valves Centerbolt Cylinder Heads 87-92 Reman. No factory production or crate 350 engine from GM came with those. The heads on this engine are 76cc, and the intake is 1. 72 : 1. The 305 heads I have are 14014416 with 58cc chambers, 1. Small Block Chevy Head Casting Numbers. blocks. 00 $ 125. 25:1. 5:1 using a . thanks, i need to do some homework, the 72 350 heads i know are 76cc ,and the 327 heads are 70cc. 030 over to 355, has original crank and rods but everything else in the block is new/balanced, 10. Buy Speedmaster PCE281. These heads are made of thinner castings and are prone to cracking. 74 intake 1. BP builds high tech engines and performance parts for later model muscle cars as well covering all your performance needs for Pontiac and LS engines. budget small block 350 Slayer engine from S/R Torquer heads accept early and late model accessories. O Heads on a 290 HP GM Performance parts Short block (Dished Pistons, 8. I lot of people I know didn't think highly of that combo until we went 11. The standard Chevy 290-horsepower 350 Chevy crate engine you can buy isn’t even that good. 94 intake valves for better flow. 6 valves Re: head and cam for a 350 on 87 octane? We just changed the top end on our S-10 (383 sbc), but up until a couple months ago we had edelbrock rpm performer heads (72 cc) with the matching cam but we ran the torker intake. specific Compression Ratio you are looking for. What got the power merchants attention was the increase in horsepower from 200 to 255 solely based on the power generated by these heads. 262. One is complete from carb to pan just need headers. Our casting is fully CNC ported by Keith Craft Racing, making it a definite player in high performance at a price that will destroy the competition. If this is your first visit, be sure to register. Chevrolet Head Casting Number Reference Small Blocks 330545 350 73 Corvette 76cc 2. Then with the advent of the aluminum head L-98 those had 58cc chambers like a 305. 7 (350)  350 Chevy Small Block V8, Flat Top w/ 2 valve reliefs Piston Style, 3. Dart S/S heads are legal in many racing sanctions with Iron head rules. Maxx Quality, Maxx performance, Minimum price! Go out and shock the competition. 5 to 1 500 has around 490. There was one casting in the '70 model year, that the head had the 1. 350 with 76cc heads

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