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33086468-84ovalOPEN396 402 366T 427T 454 Truck33086568-84ovalOPEN396 402 366T 427T 454 Truck33086668-78ovalOPEN366T 427T. Chevy Casting Number identification including Block casting numbers cylinder head.
Chevy Small Block - Engine Block Casting Numbers Notes for below.
Chevrolet head casting numbers. Chevy cylinder head Identification - Small block casting numbers Big block cylinder head. Casting number 12558062 is a Vortec head that is available from Chevrolet Performance. It is completely assembled with 194150-inch valves and 64 cc combustion chambers.
It can be machined for 220160-inch valves. 1968 327ci 64cc chambers 194150-inch valves. 1969 and 1970 302ci or 350ci 64cc chambers 194150-inch valves.
Small Block Chevrolet Cylinder Head casting numbers minuit10 corvette head chevy. CHEVY BIG BLOCK V8 Head Casting Numbers. 33086468-84ovalOPEN396 402 366T 427T 454 Truck33086568-84ovalOPEN396 402 366T 427T 454 Truck33086668-78ovalOPEN366T 427T.
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. Information on Small Block Chevy Head Casting Numbers Background. The small-block engine was manufactured by General Motors for Chevrolet and other GM vehicles from 1955 to.
The casting number is a six- seven- or eight-digit number depending on the model year and model of the. Chevy Casting Number identification including Block casting numbers cylinder head. Chevrolet Big Block Cylinder Head Casting Numbers.
RECTANGULAR PORT - Valve size 219 intake 188 exhaust. Some casting numbers are NOT listed as they may have been used in other models of the. Small block chevy head castings.
Casting Combustion Chamber size CCs Intake valve Exhaust valve Production Years Misc Engine. Over the counter 23 degree angle plug 196 cc intake runner Aluminum. Engine Casting Numbers Explained 1954-1962 Chevrolet The Casting Numbers to the right are found just below and to the right of the Distributor on the passenger side.
They are notoriously very hard to read and often people make the mistake of thinking a 3 is an 8. Right angle casting identifier accessory holes good HP head. Right angle casting identifier 165cc intake port accessory holes good HP head.
Small Block Head Casting Numbers. In no particular order 330545. Chevrolet Head Casting Number Reference Small Blocks 330545 350 73 Corvette 76cc 202-16 valves 333881 350 74-75 76cc 202-16 valves.
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. Main Caps is the number of bolts holding the cap.
A two-bolt main or a four-bolt main. Four bolt main blocks are desirable in high performance applications because the extra strength of. Chevy Engine Block Casting Numbers By Bobby Kimbrough September 19 2013 The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors using the same basic and for a V8 smaller engine block.
Heads with short double-hump casting marks were used in later high-performance SBCs. Most of these heads had accessory bolt holes and were identified with casting numbers ending in 186 or 492. They were used from 68 through 72 on 302 CI Z-28 engines as well as 70 through 72 in LT-1 350 CI CorvetteZ-28 engines.
The Casting number is 3947041. Theres a shape of a triangle on the side of the heads where the normal camel hump castign would be. Are these heads good.
Any info would be appreciated. Apr 26 2005 2.