Small Block Chevy Head Casting Numbers

Cylinder Heads → CHEVROLET SMALL BLOCK; CHEVROLET SMALL BLOCK. Small block Chevy heads have been manufactured since 1955, and have been used in high performance applications as soon as the first one rolled off the assembly line. no year is indicated). com or the November 2011 issue of Car Craft Magazine. Just click the attachments under this message and find your number. Chevrolet Performance’s Fast-Burn 23-degree cylinder heads deliver maximum performance for Small-Block engines. Small Block Suffix Codes; Head Casting Numbers: The number you need is located on top of the head, in the center. This block is a 2 bolt main and has the 3970010 cast in the back of the block then up above that is K 9 cast into the block. 250: 14096859???? 502: 4. Chevrolet casting numbers can be difficult to read if the engine is still in the vehicle but it can be done. You have spoken and we have listened. The suffix code was FO927HE. 346247 75-77 262. I have a big block chevy casting # 10114182 and head casting # 10114156. In 1989, Chevy introduced the 18-degree Bow Tie aluminum head that shifted the valve-angle vertically, while simultaneously raising the intake port to take advantage of this angle. Your best bet would be to go and find any 70 to 73 caprice or impalla. cylinder heads do not come with hardware, valves, springs, etc. Most cylinder heads are identified in a general sense from simply looking at them. Just for informations sake not all 010 blocks are 4-bolt main blocks. #1---Head Flow Charts & Comparisons : 12/23/2019: There are enough flow numbers on our website to keep everyone busy for a while. CFE provides world class cnc ported racing heads, fabricated intake manifolds, and billet blocks for a wide variety of racing applications including: drag race, circle track, boat, offroad, and road racing. com It shows that you are unregistered, or not logged in to The Forum. The big block Chevy engine is a family of large displacement motors manufactured by General motors beginning in the 1950's. For street application, drag strip racing or anything in between these small block Chevy heads are the ultimate cylinder heads for out of the box performance. 250: 14096859???? 502: 4. Check this casting carefully to determine which features it may have. It is a bare block with two-bolt main bearing caps. The heads are dated L20 & C281 (December 2, 1970 & March 28, 1971). Chevy small block cylinder head casting codes. Catalog of Chevy V-8 Engine Casting Numbers 1955-1993 (Matching Numbers Series) [Cars & Parts] on Amazon. 1973, AAS, Truck, 427. Even though you may have to scrap greese and dirt away,the numbers may be. 2L, supercharged small block The. 7L Complete Exhaust System w/ 6” Spacer, 3" Hose Riser Includes gaskets for both freshwater and raw water cooling. There are no coolant crossovers on the intake, coolant is routed through the back of the cylinder heads through a crossover tube. Search Car Torque Specifications by Engine or Model. Mercruiser V8 Small Block Chevy (SBC), 305/350, 5. 1975-76 heads are 76cc, open chamber. I tracked down the block number but I don't see where the head casting numbers are located. Small Block Chevy Casting Numbers AnswerSite is a place to get your questions answered. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads. Although the same basic design has been used since 1955,there are some very significant changes that are difficult to notice at first glance without taking the valve covers off. Cast-iron Vortec cylinder head assembly for small-block engines from Chevrolet Casting number 10239906 or 12558062 Subscribe to the Chevy Performance. (including Mortec). I got my info from "Chevy Small block Number Guide " from dragich literature. military relies on, the Air Strike Cylinder Head is on point. I found some information saying that casting #'s 33417369 are to 90-up 350 Gen. Buy products related to small block chevy heads and see what customers say about small block chevy heads on Amazon. With the valve covers and intake manifold on 99% of BBC heads look the same. Chevy LT; Chevy Factory Cams; GM Inline 6; Small Block Chevy Distributors; Small Block Chevy Intake Manifolds; Pontiac Casting Numbers; Ford Small Blocks; Ford Small Block Heads; Ford Big Blocks; Ford Big Block Heads; Ford Flat Head; Jeep 4. Chevy Small Block Head Casting Numbers Engine Building, Hi Performance Chevy Small Block Head Casting Numbers - TriFive. The first one I usually use is the block casting number which is located at the back of the driver's side cylinder head and will look something like: 3970010. i was changing valve cover gaskets today and decieded to look up the casting numbers ,they say 327 1968 truck heads number 3947040 "good hp head" has anyone had these heads on ther car originally and what hp rating did these heads come on,the engine is supposed to be original but has a non matching(i think) q-jet 4 barrel #7043208qc 0963. The Complete Cylinder Head Guide for Chevy Small Block Engines A factor more influential toward successful high-performance engine building than any other is the cylinder heads. CHEVY CASTING NUMBERS. on the passanger side of the front of the block a number 6696 is there. The Air Strike 12° Small Block Chevy head is for the standard bore spacing and features symmetrical ports, splayed valves and a stable rocker bar platform. CHEVY CASTING NUMBERS. The MANN Site Your source for chevy , castings, codes MANNBOY'S SMALL BLOCK CHEVY CASTING NUMBERS. At Ray Barton Racing Engines, we build everything from world class performance street engines to record setting race engines. We have a list of the small block Ford casting numbers used and this should help you determine what you are working with. Help Center. The small-block family line was honored as one of the 10 Best Engines of the 20th Century by the automotive magazine Ward’s AutoWorld. Different chamber volumes, port volumes, port locations, valve sizes, etc. com also has information on Chevrolet V-8 bore and stroke numbers, great automotive links, GM crate motors, Holley carb tuning tips, crankshaft journal sizes, Chevy casting number locations. Chevy Small-Block V-8. The 041 and 186 heads were used in the early years along with the 010 and 014 block. The diagram above shows where each of the casting identifiers is located on the engine. Chevy small block cylinder head casting codes. Mercruiser V8 Small Block Chevy (SBC), 305/350, 5. According to info I have found the heads are "peanut port heads. The 302 and the Camaro Z-28 The 302 engine was only available in first-generation Z-28s (the 350 LT-1 was used in 2nd generation Z-28s), and was created in response to a Trans Am racing engine displacement limitation at that time of 5 liters (305ci). Most 350s id#end with 010,which is a early engine,and if heads are off there will be a. Sloppy Mechanics Wiki. Small block Chevy heads have been manufactured since 1955, and have been used in high performance applications as soon as the first one rolled off the assembly line. com It shows that you are unregistered, or not logged in to The Forum. One of the most rare cylinder head for the big block chevy is the 375 horsepower 396 and the ZL-1 427 aluminum head. I have taken small valve 186s off a 70 monte carlo,and a 69 impala. 5: 333881: 1971 / 76: 350: 165, 270 hp: 333882: 1970 / 77: 350 / 400: CFM Inlet 137. Guys find an engine block, a cylinder head, maybe a crankshaft and want to know if it is what they need for thier project. There's much more engineering in this effort than just squeezing a hemispherical chamber into an aluminum casting. There were other heads used in Chevrolet engines which may have ended up on your motor if it's not original. Chevy Casting Numbers Chevy engine casting numbers are located on the back of the block most often on the left (drivers side) on top of the bell housing flange (see picture below). 033 ENGINE BLOCKS AND COMPONENTS 10065456 — Cast Iron Block (Rear Wheel Drive) This cast iron cylinder case is used in 1985–up 2. Both big-block and small-block Chevrolet engines most commonly have engine casting numbers located at the rear of the engine near the engine's interface to the transmission. Small Block Chevy Engine Block casting and code …. Catalog of Chevy V-8 Engine Casting Numbers 1955-1993. The first generation of big block engines was called the W series, named after its special valve cover design. From the 1920's through the 1960's GM used a casting date system to identify the date when a part was made. Casting numbers for cylinder heads may change from year to year. top left side of engine block right in front of the head the casting numbers on my 283 block 65 chevy impala. A "two-bolt" main, or a four-bolt main. Small Block Head Casting Numbers | B/RB Head Casting Numbers | B/RB Block Casting Numbers B/RB Intake Manifold Casting Numbers | B/RB Rod & Crankshaft Casting Numbers Cylinder Head Casting Numbers. Six Cylinder : Passenger side of the block behind the distributor. Small Block Blocks 1964 - 1990. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads. The casting date is usually found near the casting number. They're available bare, or in four different assemblies that are designed to match your camshaft's valve spring requirements. The numbers are from our in-house flow bench. Big Power CNC Aluminum Cylinder Heads. The first small-block with a 4-inch bore came in the 1962 Corvette 327ci, and it really opened eyes. On the underside of the head on an intake runner, and under the valve cover on an intake runner. See Dyno Chart. Small sample of our New and Chevrolet Casting Numbers. How to Add Horsepower to GM's 6. It may surprise some of you that we decided to use an earlier 6. This is the initial listing I have of Chevy small block cylinder head casting numbers, their application, and notes. 1852 029: 413: RB: B/RB Mopar Head Casting Numbers. Please see pics before purchasing. I could find no reference to a 8970010 casting code for a chevy block small, big or otherwise. Chevrolet “305” Cast Iron Small Block Cylinder Heads ‘450 casting number Chevy 305 head with “UnderCover Porting”. drive hub pilot). What You Can Learn From Small Block Chevy Casting Numbers All engines are stamped with an ID serial number showing plant code, production date, and suffix code. com, 1955 Chevy 1956 chevy 1957 Chevy Forum , Talk about your 55 chevy 56 chevy 57 chevy - Belair , 210, 150 sedans , Nomads and Trucks, Research, Free Tech Advice. A Small Block Chevy tech site with Block casting numbers, Cylinder head casting numbers and much more information. com It shows that you are unregistered, or not logged in to The Forum. Fuel Injectors for Small Block CHEVY RAW POWER “RACE-AND-WIN” Racing is all about the power and Hilborn delivers all the RAW power you can use. Typical aftermarket cylinder heads are cast and machined ensure the head surface is flat. Chevy Third Gen Camaro ZZ3 Small Block Engine swap: Performance smog legal GM performance engine swap kit for the Third Generation Camaro Installation of the GM California smog emission legal ZZ3 performance crate engine kit for the Third Gen Camaro: This engine kit was supplied by GM as an engine swap upgrade kit for the 1982 to 1987 third generation Camaro. Head casting numbers will be under the intake ports of the cylinder head (the side facing the block's lifter valley). Check this casting carefully to determine which features it may have. Casting Number CID Year H. Catalog of Chevy V-8 Engine Casting Numbers 1955-1993 (Matching Numbers Series) [Cars & Parts] on Amazon. Engine Casting Codes & Serial Numbers 1954-1963 Chevrolet 235/261 inline 6 cylinder (NOTE: these photos are from a 1960 261 engine; however, 1954-63 235 & 261 codes should be in the locations shown below). B: is the Block casting number H: is the Head casting number Serial/Sequence numbers = engine serial/sequence number - includes the model/series-prefix to the engine serial number before 1954; or - includes the model/series prefix and suffix from 1954 and later This code is pressed into the ledge in the block that is just to the rear of the. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. FLOTEK is a leading brand of aluminum high-performance cylinder heads. Chevy small block cylinder head casting codes. 1852 029: 413: RB: B/RB Mopar Head Casting Numbers. CASTING NUMBER LOCATIONS CHEVY V-8 BORE AND STROKE LIST CHEVY V-8 CRANKSHAFT JOURNAL SIZES CHEVY V-8 CRANKSHAFT CASTING NUMBERS CHEVY V-8 NOTES V-8 CRATE MOTORS FOR SALE HOT LINKS GotMortec - Small-Block Engine Enthusiasts If you need reliable Chevy casting number lists for small block, big block and 348-409 V-8 blocks, cranks and heads, we've got it. block casting number 10066036 head numbers 83417369 engine vin (pass. The diagram above shows where each of the casting identifiers is located on the engine. The casting number on Chevy V8's is located on the drivers side of the engine where the block is connected to the bellhousing. The suffix tells you application, original model, Engine RPO, and HP and transmission that were originally mated to the engine. This is found on all blocks and is Ford's number for an engine block. The intake valves are big on these heads. Chevrolet Parts | Parts Category: Engine» Crate Engines | Chevs of the 40s is the World's Most Complete Supplier of 1937-1954 Chevrolet Classic Restoration Chevy Engine» Crate Engines Parts and Chevy Engine» Crate Engines Street Rod Parts for your Car and Truck. This is only a short list but we plan on continuing to expand on the list over time. 6-cylinder ENGINE NUMBER is located on the right side of the block to the rear of the distributor. hey guys i need some help with casting numbers i have a 90 caprice motor # 14093638 from an old police car that i would like to rebuild problem is that the head number # 14102183 i am having trouble finding any info on these does anyone have any ideas what kind of heads and how good the would work? thanx. 240" minimum wall thickness allows extensive port modifications. The casting date codes on small block cylinder heads can usually be found directly underneath the casting number. $100 obo Here are the casting numbers for the small block heads that I have: 3731554, 57-62 283, 70cc chamber, 1. Chevy Small-Block V-8. 45" mains), and 400 blocks (4. The older 1974 and earlier cylinder heads are worth working on because they are much stronger castings that almost never break. Small Block Chevy, With straight plugs, 185cc Intake Port, 70cc chambers E-Street cylinder heads are an all new line of Edelbrock heads designed for entry-level street performance engines, ideal for operating in the idle to 5,500 rpm range. Economically priced! What matters most? Three things, quality, performance and price! Making FLO-TEK 180 cc small block Chevy head the answer! The features for the FLO-TEK 180cc include state of the art casting. Step by Step Report Presentation (PDF - 4. The most common modification done to these small-block Olds castings is to install the 2. Basics of cylinder head identification. 2 cfm through the exhaust valve stock 1. com Network has over covers all of Buick Makes and Models over the past 100 years. Mortec is now back online so I pulled their information off of this site so they could get their deserved traffic. com also has information on Chevrolet V-8 bore and stroke numbers, great automotive links, GM crate motors, Holley carb tuning tips, crankshaft journal sizes, Chevy casting number locations. Bill Mitchell Products Small Block Chevy Heads. 185 Cast Heads Was wondering if any of you guys had ever used a set of the old "185" heads on a small block Chevy before, and how well they worked for you? I have a set I am thinking about rebuilding and putting on a fresh 350. chevyhardcore. This block is a 2 bolt main and has the 3970010 cast in the back of the block then up above that is K 9 cast into the block. Small Block Chevrolet Cylinder Head casting numbers /minuit10 / corvette /head chevy /corvette l82. cylinder heads do not come with hardware, valves, springs, etc. Also the closed chambers have more quench area, which might make up for the extra compression. 1969 heads also have holes drilled and tapped in the ends due to a change in the alternator mounting method. [one_third] AMC 1964-1979 Barracuda 1964-1977 Buick 1962-1979 Buick 1980-1990 Chevy Camaro 1967-1976 Chevy Chevelle. Small Block Head Casting Numbers | B/RB Head Casting Numbers | B/RB Block Casting Numbers B/RB Intake Manifold Casting Numbers | B/RB Rod & Crankshaft Casting Numbers Cylinder Head Casting Numbers. This is by no means a complete list. RECTANGULAR PORT - Valve size 2. A big block Chevy (BBC) or small block Chevy (SBC) head is readily recognized by most, as are MOPAR Hemi heads, small block Ford (SBF) heads, and depending on experience and engine preferences, others as well. They're available bare, or in four different assemblies that are designed to match your camshaft's valve spring requirements. The big block Chevy engine is a family of large displacement motors manufactured by General motors beginning in the 1950's. The V-8 casting numbers are located on the right side of the block opposite the casting number. Big Block Chevy Cylinder Heads Open vs. all chevy blocks dont have 5. A Small Block Chevy tech site with Block casting numbers, Cylinder head casting numbers and much more information. Chevy Small Block V8 Cylinder Head Casting Numbers If this is your first visit, be sure to check out the FAQ by clicking the link above. Locate your engine casting number on the left hand side of the engine. how do i but cannot find a small version of this. 0 Block Numbers; Jeep 4. com or the September 2012 issue of Car Craft Magazine. Well, the fact is, a 1. Wednesday Rewind: Small-Block Chevy Cylinder Head Casting Numbers By Andy Bolig May 23, 2018 The advent of CNC machining seems to have fostered an explosion of ported aftermarket heads, which is great for the enthusiast that isn't encumbered with casting numbers and originality. You can also find other images like big block chevy engine numbers,350 chevy crate engines sale,350 chevy block numbers 3970010,chevy engine serial numbers,small block chevy head identification numbers,decoding chevy engine block numbers,350 chevy block. Read on to learn more about the Small-Block Chevy V-8 through the Years in this consumers article from the automotive experts at Motor Trend. Search by Keyword. With the devolopment of these heads it made almost all other stock factory head obsolete. 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. The Complete Cylinder Head Guide for Chevy Small Block Engines A factor more influential toward successful high-performance engine building than any other is the cylinder heads. Posted by on October 10, 2019. The primary difference between the 348 and 409 cylinder heads is that the 409 head was the only W-block small port head that used 3/8" push rods. Mortec is now back online so I pulled their information off of this site so they could get their deserved traffic. Skip navigation. In '87 GM introduced the new Gen V engine with Vortec heads and a stroker crank to pump out 496 cubes (8. In 1989, Chevy introduced the 18-degree Bow Tie aluminum head that shifted the valve-angle vertically, while simultaneously raising the intake port to take advantage of this angle. Chevrolet Head Casting Number Reference Small Blocks 330545 350 73 Corvette 76cc 2. We now have a SAENZ model 680 flow bench which we all enjoy using. Also the closed chambers have more quench area, which might make up for the extra compression. Casting numbers were also used as the part number, but not always. Check pushrod clearance with heads placed on the block before final assembly. Wednesday Rewind: Small-Block Chevy Cylinder Head Casting Numbers By Andy Bolig May 23, 2018 The advent of CNC machining seems to have fostered an explosion of ported aftermarket heads, which is great for the enthusiast that isn't encumbered with casting numbers and originality. B: is the Block casting number H: is the Head casting number Serial/Sequence numbers = engine serial/sequence number - includes the model/series-prefix to the engine serial number before 1954; or. Different chamber volumes, port volumes, port locations, valve sizes, etc. 45" mains), and 400 blocks (4. Casting Numbers Chevy. The 041 and 186 heads were used in the early years along with the 010 and 014 block. Tri Star HP Dart™ Pro 1 casting aluminum cylinder heads are the top of the line choice for your high performance small block Chevy engine. Oldsmobile small-block cylinder heads have a number, like this popular number-7 casting cylinder head. At Ray Barton Racing Engines, we build everything from world class performance street engines to record setting race engines. In 1989, Chevy introduced the 18-degree Bow Tie aluminum head that shifted the valve-angle vertically, while simultaneously raising the intake port to take advantage of this angle. I tracked down the block number but I don't see where the head casting numbers are located. Metal Stitching & Crack Repair of Cast Iron Vintage 426 Hemi Block. The Edelbrock #5089 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. You have spoken and we have listened. These are some of the more common numbers. The casting # on the 350 in my car is 458642. Basics of cylinder head identification. Out of the box ready to bolt on. Variations in production practices, foundry sources and OEM running changes are quite common and it must not be assumed, nor guaranteed, that a casting number as listed is complete for all models shown. com or the September 2012 issue of Car Craft Magazine. 6 Valves 333881 350 74-75 76cc 2. A stamped number on an engine is not the casting number but the serial number. Oldsmobile DRCE blocks and heads, intakes, etc. There are actually two different casting numbers for the Vortec head, the 10239906 and the 1255062. I would not sweat what you have, there a good head. Posted by on October 10, 2019. The casting number is 3973487. We have a list of the small block Ford casting numbers used and this should help you determine what you are working with. Factory #70 foundry was the location for gray iron casting of the Hercules diesel engine block and head during world war II. It is a bare block with two-bolt main bearing caps. "Main Caps" is the number of bolts holding the cap. Quickly, A = Chevelle, F = Camaro, X = Nova. 250: Generation V block with 4 bolt mains (bowtie block) 10237297???? 454: 4. It fits on the right (passenger) side of a 283 or 327 small block chevy. Click Header to Sort. A blue 455 is generally considered a more desirable motor to build. I have taken small valve 186s off a 70 monte carlo,and a 69 impala. JEGS delivers performance right out of the box! Racing technology for your high performance street engine! JEGS small block Chevy cylinder heads are cast from Virgin A356 Aluminum and heat treated to a T6 Hardness for the ultimate quality and durability. com Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is. Bryan's list has part numbers, and several part numbers were made from the same casting. Head Casting Numbers Explained The Head Casting number is located outside of the Valve Cover in plain site on the Drivers Side. CASTING NUMBER LOCATIONS CHEVY V-8 BORE AND STROKE LIST CHEVY V-8 CRANKSHAFT JOURNAL SIZES CHEVY V-8 CRANKSHAFT CASTING NUMBERS CHEVY V-8 NOTES V-8 CRATE MOTORS FOR SALE HOT LINKS GotMortec - Small-Block Engine Enthusiasts If you need reliable Chevy casting number lists for small block, big block and 348-409 V-8 blocks, cranks and heads, we've got it. Htey are the better of the two pair, obviously. There are at least 6 different versions as of 11/99. com Smallblock info from nastyz28. I got this mostly original 55 Chevy in the shop to work on. engine casting numbers I am always getting phone calls from people with a bunch of engine casting numbers wanting me to help them identify engine parts. Maverick/Comet Forums. 200" higher than the small-block Chevy's stock port location. This site is for Corvette C3 enthusiasts and has lots of information pertaining to Corvettes built between 1968 and 1982. 02 cylinder heads. Day code is D175 (April 17, 1965) Recognition printed on the appropriate front of the block is CE5N29895 S0602XCB. 1,000 HP From a Broken-In 400-Inch Small-Block Chevy. For sale is a Chevy 327 short block casting number 3959512. 02 stainless intake and new 1. Year, Code, Model, CID, HP, Trans, Comment/RPO. These are heads that would have been used in Camaros as either standard or replacement during the period. Referred to as a "small-block" for its comparative size relative to the physically much larger Chevrolet big-block engines , the family spanned from. This is the initial listing I have of Chevy small block cylinder head casting numbers, their application, and notes. Hi, I'm new to socal jet boats and fairly new to jet boating. We now have a SAENZ model 680 flow bench which we all enjoy using. 0 Block Numbers; Jeep 4. Chevy small block cylinder head casting codes. Locate your engine casting number on the left hand side of the engine. The block is 10243880 which is a 350 vortech truck engine ZZ4 crate. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads. com, 1955 Chevy 1956 chevy 1957 Chevy Forum , Talk about your 55 chevy 56 chevy 57 chevy - Belair , 210, 150 sedans , Nomads and Trucks, Research, Free Tech Advice. The casting date is usually found near the casting number. Cast-iron Vortec cylinder head assembly for small-block engines from Chevrolet Casting number 10239906 or 12558062 Subscribe to the Chevy Performance. I know they are a 307/327 head with small intake valves but what kind of intake runners do they have? With 2. The MANN Site Your source for chevy , castings, codes MANNBOY'S SMALL BLOCK CHEVY CASTING NUMBERS. Chevy V8 Casting Number Locations Chevy V8 SBC Block and Head Casting Numbers Chevy V8 BBC Block and Head Casting Numbers Chevy V8 "W" Motor 348-409 Casting Numbers Chevy V8 Crankshaft Casting Numbers Chevy V8 Crankshaft Journal Sizes Chevy V8 Bore and Stroke List Chevy V8 Notes SBC Crate Motors BBC Crate Motors SBC Cylinder Heads Holley Carb. Springs, Chevy, 1987-95 Small Block, Each Not Yet Reviewed Part Number: TFS-30310005 More Detail. Hope this helps!. Cylinder Head ID. Home Small Block Chevy Heads. Answers others. Typical aftermarket cylinder heads are cast and machined ensure the head surface is flat. ALL BLOCKS HAVE 6015 in the block casting number. This crank will need turned on the rod journals, maybe the mains too. If you're looking at the engine code - this is already known. cast iron vortec cylinder heads for small block chevy. Block casting numbers are located on the top left surface of the flange formed at the rear of the block for the flywheel attachment. World S/R Small Block Chevy Cylinder Heads, Straight Plug, 2. Chevy Small Block Head Casting Numbers C10 Trucks Library Chevy Small Block Head Casting Numbers - C10Trucks. 60" exhaust valves of the earlier heads. com IP is 198. Casting number says 3750556 and below that it also says RH 2 Casting numbers are not crisp, but they are there. They are still used in a variety of applications. The block had suffered serve cracking due to freezing in the water jackets. We compare and contrast eight budget small block Chevy heads. The Gen III engine was smaller and lighter, it made more horsepower and torque per cubic inch, created fewer emissions and got better fuel mileage than the Chevy 350 it replaced. There were other heads used in Chevrolet engines which may have ended up on your motor if it's not original. 7L with the Chevy Small Block Gen I Engine Stud. Pace Performance offers world famous engine combinations that can't be beat! We offer everything from basic replacement engines, to 800+ horsepower monsters!. The suffix tells you application, original model, Engine RPO, and HP and transmission that were originally mated to the engine. This engine even has the Pontiac Indian head cast in the right side of the block. At Ray Barton Racing Engines, we build everything from world class performance street engines to record setting race engines. Chevy-Small Block; Help-- identify these heads! If the casting number is 376450, they are 75/76 heads for a 262 or 305 This is a 262/267/305 head used from. Hot_Rod_2009-12. It is a bare block with two-bolt main bearing caps. Visit Our "What's New" page to get all the latest Chevrolet Performance News, Announcements, and Specials. Founded in 2007, we offer an extensive selection of cylinder heads for Ford, Chevrolet, and GMC performance engines. The location of this code depends on the type of engine, as follows: Small Block Chevy: Machined pad in front of the passenger side cylinder head. ENGINE DECODING. World Sportsman II Small Block Chevy Iron Heads, Angle Plug made by World Products, for as low as $854. com, 1955 Chevy 1956 chevy 1957 Chevy Forum , Talk about your 55 chevy 56 chevy 57 chevy - Belair , 210, 150 sedans , Nomads and Trucks, Research, Free Tech Advice. GM has built two different engines designated as the LT4: 1996–1997 LT4 – Gen II, 5. SBC cylinder heads are easily identifiable by the exhaust ports being siamese at the center. Chevy/Olds Rocket block 4. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. Founded in 2007, we offer an extensive selection of cylinder heads for Ford, Chevrolet, and GMC performance engines. See Don Chart. The casting numbers are visible near the top of one of the engine's cylinder banks, though it may be necessary to move hoses or other components to see them in some cars. top left side of engine block right in front of the head the casting numbers on my 283 block 65 chevy impala. The suffix tells you application, original model, Engine RPO, and HP and transmission that were originally mated to the engine. See Dyno Chart. your small block Chevy is to use the casting number found on the drivers side rear of the block on the top flange that mates with the tranny bell housing. Search by Keyword File Type pdf sbc_casting_heads. However that doesn't mean you can't realize very good performance for other head castings. The primary pieces of information you'll decode are the; Engine Code and ; Partial VIN. 45" mains), and 400 blocks (4. Your best bet would be to go and find any 70 to 73 caprice or impalla. 7L, small block 2015–Present LT4 – Gen V, 6. Small Block Chevy Cylinder Head 1966 327 Z28 Chevelle SS Camel Hump - $1 Has 1:94 intake valves and ready to bolt on. RECTANGULAR PORT - Valve size 2. Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. Also my block (which I got from a different place then the heads) have castings 3970010 which I know is a 350 with 4 bolt main, but it was also made in Mexico. Chevrolet casting numbers can be difficult to read if the engine is still in the vehicle but it can be done. A total of 204,500 sets were made. What You Can Learn From Small Block Chevy Casting Numbers All engines are stamped with an ID serial number showing plant code, production date, and suffix code. 50") cylinder bores and large 67mm main bearings. Designed by Ed Cole's group at Chevrolet to provide a more powerful engine for the 1955 Corvette than the model's original " Blue Flame" in-line six, the 162 hp (121 kW) 2-barrel debut version went from drawings to production in just 15 weeks. For sale is a Chevy 327 short block casting number 3959512. In the tables below. Small Block Chevrolet Cylinder Head casting numbers /minuit10 / corvette /head chevy /corvette l82. This is the Dart Special High-Performance Cylinder head for 1969-1974 Chevy Corvette 5. A bunch of smallblock Chevy factory part numbers. Information on Small Block Chevy Head Casting Numbers Background. Cannot see with starter installed. This new engine family had the same bore spacing as the original small block, but that's the only thing that stayed the same. Corvette Vehicle Identification Numbers (VIN Codes) Corvette VIN Information; Tools - VIN Decoder; 1968 - 1982 Corvette Vin Decoder; Corvette VIN Decoder by Year; Corvette Cowl, Firewall or Trim Tags Corvette Casting Numbers. We also offer one of the most complete lines of performance parts from all of the best manufacturers, as well as our own line of performance parts and kits put together using our years of racing and engine building experience. 2-Bolt mains/Chevy II: 3892657 3782870 3903352 3789817: 67 Small Journal (327 block) 68-69 Large Journal (350 block) SBC Head Casting Numbers. I found some information saying that casting #'s 33417369 are to 90-up 350 Gen. Replaces factory Mercruiser OEM Part Numbers:. Go to search on your computer and type in small block Chevy engine ID and you should find your answer there. 101 results for chevy small block heads Save chevy small block heads to get e-mail alerts and updates on your eBay Feed. Chevy small block cylinder head casting codes. In 1957, Chevy introduced the fuel injected motor and the head castings were improved. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. shows the location of the HEAD CASTING NUMBERS and the HEAD CASTING DATE located under the valve covers, in the rocker. For the most up to date information related to this page, please go to www. We can pick out a VINTAGE dated ENGINE BLOCK AND HEADS appropriate for your the production date of your car. I got this mostly original 55 Chevy in the shop to work on.