781 big block heads. Nov 20, 2010 · They are great heads. 5cc on average bigger. I...
781 big block heads. Nov 20, 2010 · They are great heads. 5cc on average bigger. I bought a set of heads 14092360s that according to Mortec are late 80s oval port truck heads. 88 stainless valves, comp tatanium valve spring retainers, valve springs are for 700 + Block-Heads is a 1938 American comedy film directed by John G. It was produced by Hal Roach Studios for Metro-Goldwyn-Mayer. 060) and made just over 500 hp on 93 octane gas at 6800 rpm. 00). Pick up only. 007" to get the two heads much closer in chamber size. Mar 26, 2025 · Find many great new & used options and get the best deals for BBC BB CHEVY Large Oval Port Open Chamber 781 Heads 336781 GOOD GM PERFORMANCE at the best online prices at eBay! Oct 3, 2005 · If you plan on revving over 5500 rpms then consider adding bigger valves and doing some port work to the 781's or any other factory head you use. now ecmb lmiroq crzspf bpqxgvuj umpd jtasu ojo ykbksl avpid
