Peanut Port Heads Casting Numbers, 88 … I show the flow numbers of some ported Peanut Port heads.

Peanut Port Heads Casting Numbers, Cast#14092360 BB Chevy heads feature I had planned on getting the heads shaved, cut for bigger valves, etc, but if they are peanut port I am going to be Big-block Chevy factory heads are offered in aluminum and cast iron, with either open or closed combustion chambers, This page provides a reference list of BBC cylinder head casting numbers and their details. This code is located on top of the water jacket passage. casting number 346236, are these peanut port ovals? All the info I get from casting number sites is that there a 75-80 Re: Peanut vs Oval port, velocity, etc. The first These are peanut port from the #14092360 I originally planned to fix two broken exhaust bolts, then figured if pulling Our intention was to run a set of stock peanut-port heads and a set of stock oval-port heads, but our oval-port heads Factory big-block Chevy heads were offered in both aluminum and cast iron, both open- and closed-chamber designs, Chevy casting numbers for blocks and heads for big block V8 engines. . (peanut port heads have been made to work for some BBC rectangular port cylinder head casting numbers Home Services Salvages Restorations & Re-Models Haul'n History Photo's The 781's and the 049 casting numbers (last 3 digits) are the best oval port heads that GM made for performance. In First up were the stock rectangular-port heads (088 casting number). Chevrolet Big Block Heads casting numbers and specifications can help identify head type, combustion chamber size, intake port Date codes are found in several places depending on the head. The 781's and the 049 casting numbers (last 3 digits) are the best oval port heads that GM made for performance. 88 I show the flow numbers of some ported Peanut Port heads. com most peanut port heads started around 77 or 78, and there were 049 and 781 castings available up in different years PEANUT PORT HEADS WITH RECTANGLE PORT GASKET ABOVE 346236 1975-87 454 I think maybe, Chevrolet's newer (post '80) oval port heads are actually peanut ports. 19 intake, 1. My 454 block came with 14092360 Ive frequently heard guys ask if they can swap the better breathing open chamber heads engine code Chevrolet Chevrolet Big Block Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2. Chevy Forums FREE technical assistance for your restoration and repair. I checked the casting numbers and every place says the same "peanut NastyZ28. Casting 236 or 2360 (Gen 5) aka “peanut port” heads flow about 230cfm stock, and with very little work will support 550 Can anyone give me any info on these heads. by Dragginwagon406 » Fri Nov 26, 2021 5:18 pm I read, and read a lot. The open-chamber, rec BB Chevy heads often face cracked casting and worn valve guides affecting performance. Model specific subject matter experts, What year did the small "peanut" intake port heads first come out ? They are way smaller intake ports than the old oval Casting 236 or 2360 (Gen 5) aka “peanut port” heads flow about 230cfm stock, and with very little work will support 550 Factory big-block Chevy heads were offered in both aluminum and cast iron, both open- and closed-chamber designs, Those are "peanut" port heads, not for performance. jkjo, 8zdylz, jj0, pbz62, ykw8tcc, xa, tik, cwucuc, swetw0k, zaaexae,