WebChevy crankshaft casting numbers for small block and big block V-8 engines. Join our Forums! Join our Forums! Chevy V8 Crankshaft Casting Numbers. Here's a list of Chevy V-8 crankshaft casting numbers. ... Chevy Big-Block V8 Crankshaft Casting Numbers BBC Two-Piece Rear Main Oil Seals 3.76" STROKE (used on '65-'90 Mark IV 366T, 396, 402, 427 or ...
Chevy Small Block Casting Numbers - Speedway Motors
WebFeb 10, 2024 · The cylinder head casting number and casting date code is visible with the valve cover off. The 3927186 casting number, often referred to as “186,” could have 1.94/1.50-inch valves or 2.02/1.60-inch valves, but we’re betting on the smaller combo, as this engine was 300 hp. The date code “B189” means February 18, 1969. WebChevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads. Find cast numbers. ... Pontiac/Chevy Aluminum, 91cc chamber Large Rectangle Port. 10049875. Pontiac/Chevy Aluminum Small Rectangle port. 10051128. 454. 90-94. dva mrca 80 points
Small Block Crate Engines Chevy Performance Parts - Chevrolet
Websmall block Chevy engine casting bock by minuit10 ... Small Block Chevrolet casting number. Numéro figurant à l'arrière du moteur côté boîte de vitesse: accueil engine code. Years : Casting : CID: Main Caps: Comments: 1980-85: 140029 ... WebDec 12, 2024 · This head was sold as a bare casting when new, so machine work will determine finished valve, chamber, and port sizes. 12506450: 1987 through 1994 350ci, 76cc chamber, 1.94/1.50-inch valves. 12509859: 1987 through 1994 305ci, 58cc chamber, 1.84/1.50-inch valves. 12516852: 1987 through 1994 350ci, 76cc chamber, 1.94/1.50-inch … WebThe block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver's side. This ledge is below … dva mraza