2022年2月2日 · the -6223 cranks were made with 5140 forged steel IIRC. the 4340 cranks made today are stronger though i bought a couple of brand new -6223 cranks a few years ago, using …

2021年3月26日 · The 6223 crank in the L78 engine presently running in my '69 SS Chevelle is a crossdrilled unit, as is the 7115 427 crankshaft sitting on the bench (and pictured above). As I …

2005年4月30日 · In short, the 6223 "rang" better than any of the others ( including a new OEM blem 6223 that was a few bucks cheaper). Pretty scientific huh? That's what the machinist …

2012年5月1日 · Casting number is 6223..according to documentation I've found online,it's an early 396 crank made from 1053 steel. The crank has been turned .020 on rods and mains,but …

2022年2月2日 · It deserves to be built right . Then build it right and don't put a 50 year old crank in it . The guy is trying to hussle you buddy and he almost got there.

1999年3月31日 · The 6223 crank is 1053 steel & not cross-drilled or tuftrided while the 3856223 is 5140 and cross drilled and tufftrided or whatever they called the crank treatment they …

2006年12月19日 · I belive all the early steel cranks were #6223 I dont think they used the #38 7 or 8 digit part# till the late 70's or so. I have a #6223 that a friend took out of a 60's 366 motor. …

2008年4月11日 · 1968 Chevelle Sb 1969 Chevelle 496 1973 SS 454 Chevelle 1974 S-3 454 Chevelle 1955 Delray LS1 1967 Nova 496

2003年4月8日 · I've got a 6223 casting crank and forgot how to tell if it's for a 396 or 427. I think it has something to do with counterweight size. Thanks, Jim

2003年6月29日 · There were in fact 6223 forged, crosdrilled, and nitrided cranks. I have a special NOS two piece (broken) one in my garage. The 7115 piece was used in 68-69 L88's and 69 …