I have lots of GM, Ford and Dodge transmission cores and transfer cases. 64-cc combustion chamber. An aluminum head casting - distinguished by Chevy Bowtie logos at each end - and a valvetrain with high-rpm, LS-style beehive-type valve springs stretches the performance range of the heads to enable greater power at a higher rpm. 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. Bracket mounting holes on the ends. Pontiac/Chevy Aluminum Small Rectangle port. All crankshafts have a casting number located on one of the rough finished throws or counterweights towards the front of the crank. Sporting centrebolt valve covers and a strange sawtooth, the Vortec head first hit the market in 1996. Chevy V8 BBC Block and Head Casting Numbers. Call with any questions. Add to Cart it is classified as a high swirl head that was intended for good bottom end torque and fuel economy Speedmaster Cast Iron Cylinder Head Small Block Chevy 350 w/Flat Tappet Cam Cylinder heads for most 1937-1972 vintage Chevy car models 14022601 1980-82 267 1 14022601 1980-82 267 1. Two types of crankshafts are offered, cast nodular iron and forged steel. more ads by this user. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads. Chevy Small Block Cylinder Head Identification Guide Key A B C D E, F Cast Marks Rectangle Narrow triangle over rectangle Vertical bar over rectangle 2 vert bars over rect Large camel humps Left-facing right triangle Small camel humps Large triangle over rectangle (crown) NONE Cast Nos. Chevy V8 BBC Block and Head Casting Numbers. Small Oval Ports(Peanut Port) Heads. FLOTEK 180cc small block Chevy cylinder heads are economically priced, out-of-the-box-ready bolt-ons. By Bobby Kimbrough October 16, 2015. A "two-bolt" main, or a four-bolt main. They don't usually tell the exact details like valve sizes but are useful for telling (at least potentially) a performance head from a non performance head. The easiest way to reference any production head is with the last three digits of its casting number. 72cc Bowtie Aluminum Rectangular port 400cc intake. They include state-of-the-art aluminum casting, 180cc intake ports that are specifically designed for outstanding versatility, and 64cc combustion chambers. were used. This is a very complete list of numbers to help identify your Chevy engine block, heads and crankshaft. If the year code is a single digit you'll have to use other block identification codes to confirm decade. 2.19/1.88. E.g. Small Block Chevy Style Cylinder Head- 190cc Runners- Angled Plugs. Chevy V8 Crankshaft Casting Numbers. 454. Head History - The Evolution of Factory SBC Cylinder Heads To Gen IV. CASTING #10239906. Skip to main content. Cometic Chevy Small Block 4.060 inch Bore .038 inch MLS Headgasket (18 or 23 Deg. The casting number is probably the most significant feature on a cylinder head as it's the hardest to alter. Screw in studs with push rod guide plates. Uses bare head P/N 12529093. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! This casting # has been used in many different versions of this aluminum 18' and 15' Bowtie race head. $200.00 Iron Eagle. Shop by category. I actually went through several lists and made some . Enter your search keyword. From the early 265/283 displacement engines to the most popular engine of any era, the 350 SBC, all the way to the modern LS platforms of today. The first generation, 180cc intake port TW head is capable of supporting 475-500hp right out of the box with no porting. Big Chief Pro1 18/14 424cc Heads; BBC Big Chief 18 424cc /14 440cc CNC Heads; BBC Big Chief 14 433cc CNC Heads (Oval) BBC Big Chief II 11 555cc CNC Heads; BBC Big Chief 14 505cc 5.000 BBC Billet Heads; SMALL BLOCK CHEVY. This video shows you how to identify camel hump heads.Comments welcome. Exhaust port exits are raised 3/4 inch and feature a distinctive vane, giving rise to the poplar nickname of the "W" port head. The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. Starting with the 1975 model (fall of 74) Chevrolet began cutting corners on the SB heads, such as the 462624 head. Corvette Base MASS air 9th injector style Aluminum heads (86 and older) 10051103: 350: 1990: 4-Brl: Aluminum Bowtie Single plane: 7017380: 327: 64-65: Rochester FI: . Right angle casting identifier, 165cc intake port, accessory holes, Over the counter in US, Canadian 350/300hp production use in Pontiac, straight or angle plug. MLS gaskets are ideal for both . No heat risers. 8 thoughts on "Chevy Block Casting Numbers: Full List and . ID Speed Shop & Performance Center. "Main Caps" is the number of bolts holding the cap. The small-block Chevy 350 gained its reputation as a powerhouse designated for muscle cars in no time. An Early Chevy Small Block Casting Date Code Block casting dates are alpha-numeric, where the first character is a letter that equates to the casting month followed by a one or two digit day code and a single or two digit year code. Right angle casting identifier,, used in trucks, no accessory holes. . Chevy Big Block Head Identification - Mark IV 427 with rectangular valve covers . Big block on the right side of engine above the oil pan rails. Casting numbers are 3873487. 90-94. Chevrolet Performance's Fast-Burn 23-degree cylinder heads deliver maximum performance for Small-Block engines. A set of original Chevrolet cylinder heads, casting date B238 (February 23, 1968). Chevy Small Block Heads. Small Block Chevy Casting Numbers. post id: 7514116173. Requires Vortec-specific intake manifold. Jan 26, 2010 (Edited by Moderator) Chevrolet small block cylinder heads; GM # 3917291. 14102058 . Chevrolet Small Block Head Casting Numbers; Casting # Combustion Chamber Size (CCs) Intake Valve Exhaust Valve Production Years Misc. The venerable small-block Chevy V8 engine has seen an amazing evolution in the past 60 years. $200. CASTING #10239906. Chevy V8 Casting Number Locations. 10243880 Small Block V8 1995-1999 350, 4 bolt, crate engines and ZZ4, roller cam, one piece rear seal. Heads) - C5245-038 . Through the years, small block Chevy heads have been ID'd by the head's different end casting shapes. . General Decoding Information . Both are found under the valve cover be it a small block V8 (283/307/327/350) or big block Mark IV V8 (396/402/454). Month: A = Jan, B = Feb, C = Mar, D = Apr, E = May, F . Small Block Chevy Crankshafts. BBC Race Series 18 330/383cc Heads; Big Chief. Check this casting carefully to determine which features it may have. Iron Eagle 23 165cc S/S Heads; Iron Eagle 23 . the engine is a 350 Steel crank, 4 bolt main, 9.5:1 compression ratio with these heads, comp cams .480/.480 lift with 230/230 Duration at 0.50, 600cfm edelbrock carb, Performer RPM intake, headers with Flowmaster 40 . Find FLOTEK 180cc Small Block Chevy Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! Since forged cranks are more expensive to produce, they are generally used only in high performance or severe . Casting Date Example: E038 - (E = Month, 03 = Day, 8 = Last digit of model year (1978)). (Sutter Creek) These are obviously used, SBC Chevrolet closed chamber heads, 194 intakes. I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. Search: Chevy 350 Heads Identification. Choose Group to View Cylinder Head Codes Select Cylinder Head Group ALL Head Codes 262, 265, 267 302, 305 or 307 302 Only 327 350 400 This was in the mid-'50s, and before that, Chevrolet relied on inline six-cylinder engines to power its passenger vehicles. 427. Chevy Small Block V8 Engine Identification. A=January Engine Size (ci) 10033867: 62cc: 2.02: 1.60 : over the counter 23 degree, angle plug, 196cc intake runner, aluminum : 10045434: 55 cc : Over the counter 15 degree, angle plug, raised runner, aluminum : 10051101: . The casting date is usually found near the casting number. Chevrolet Small Block Head Casting Numbers. Aluminum, angle plug, "low" port, 223cc intake port, 18' race head. 454. The earliest 265 and 283 small-blocks relied on an iron Power Pack head that featured 58-cc chambers and tiny 1.72/1.50-inch valves. It is usually found on the top of the head in between two valves and the rocker arm studs. 460 520, 896 997 997 291, 461, 461X, 462 041 186, 492 Small Block Casting Numbers Lookup. Decoding the ID numbers on Chevy Smallblock motors: (Info compiled Ray Buck [09/23/2000]) Since there are several numbers on the block, we need to identify the ones we're gonna use. Four bolt main blocks are desirable in high performance applications because the extra strength of . Small block Chevy close chamber heads unleaded seats ported and Polished Z28 valve springs less than 300 miles went to aluminum heads four 16 casting 276$;; show contact info. Straight spark plugs. Small-Block Chevy Cylinder Head Identification By Randy Bolig December 12, 2018 When GM first introduced its small-block engine to the world, it was specifically designed to give Chevrolet an edge over Ford's flathead V-8. Type your engine block casting number in the SEARCH BOX below. 7Nova1. 10101136. The bigger heads to follow were the "double-hump" heads championed by the mid-'60s 327 engines. 10052902. Camshafts with more than 0.475" lift require machining valve guide bosses and checking valve seal to valve spring retainer clearance. Advanced Daily Deals; Brand Outlet; Help & Contact; Sell; Watchlist Expand . The Peanut Port heads were introduced on the Gen V big blocks and were designed for truck applications. Shop by category. Chevy V8 "W" Motor 348-409 Casting Numbers. They were lighter, thinner castings, had an additional exhaust crossover passage (more heat) in the center of the head. Chevy V8 Crankshaft Casting Numbers. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. Engine Repair Shop.com. Chevy small block heads for 283 to 400 small block engine with Roller Tip Rocker arms. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block pad (in front of the cylinder head), or on the transmission flange somewhere. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! Aluminum, LT5, ZR1, DOHC, 32-Valve, drivers Side. It was equipped with 170-cc intake port volume, 1.94/1.50-inch valve sizes and a 64-cc chamber. . Clearwater Cylinder Head Inc. (CCH) is a reputable . -. Valve sizes are 2.250/1.880 inches. The current "bad-boy" Bowtie race head is PN 12363425 (casting number 14044861), a bare head with 380-cc intakes and valve seats for 2.19/1.88-inch valves. I have a set of Chevy heads with a casting number of 333882, with 1.94 Heads, i am hoping to make 350-375HP with them. Chevy V8 SBC Block and Head Casting Numbers. Bowtie . 10051128. Casting # 378450. do NOT contact me with unsolicited services or offers. As a small and light engine, Chevy 350 put out horsepower ranges from 145 to even more than 370. Vortec Head. . Chevy V8 SBC Block and Head Casting Numbers. Consequently, they are MUCH more prone to developing cracks, or developing them sooner, than the 1974-earlier . The . 10199001 Small Block V8 1993-1995 350, 4-bolt, LT5, Corvette ZR1, 405hp. Small Block Chevy Cylinder Head Identification : Chevy Cylinder Head Casting Numbers : Years: Casting# CID: Intake : Exhaust: CC : Comments : 1971-75: 330545 : 307,350 1.72 : 1.5001 : 74 1971-73: 330862 : 400 : Chevy V8 "W" Motor 348-409 Casting Numbers. Chevrolet issued technical service bulletins to indicate which engines were to recieve a vin . CHEVY CASTING NUMBERS. Chevy 350's outstanding performance is what has made it stand the test of time. Oval Port Open chamber. Different chamber volumes, port volumes, port locations, valve sizes, etc. Its excellent performance soon made it into one of the most popular Chevy heads ever produced. This head, with a 2.02" intake valve, is capable of flowing 290-300cfm with a good port job. ( google map ) condition: excellent. Don't get me wrong, that head did have some shortcomings that we addressed on the G2. Chevrolet Block Identification number locations. 10134363. Uses press-in rocker studs, and one head has a factory temperature sending hole (threaded, correct for 1968 and . The Chevrolet Big Block V8 Engine - The Rat Motor. Small Block Chevy Cylinder Head Identification . 77th Drive near Cactus. 10243878 Small Block V8 1996-1997 305, 2-bolt, Vortec truck, roller cam, 1-piece rear seal. Chevy V8 Casting Number Locations. The ports are 1.56" tall and 1.44" wide. World Products Man-o-War Block. Small block casting date is located on driver side rear of block on flange forward of bellhousing. Completely assembled with 1.940"/1.500" valves. do NOT contact me with unsolicited services or offers; post id: 7522469932. posted: 2022-08-17 08:18. 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 the lowest rated horsepower RPO engine the block was used in.
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