Big Block Chevy Casting Numbers 14015445 - 4L) version produced from 1978 to 1990, which Hey there, just aquired a clean 454 block, casting number is 14015445, all that comes up on most sites is a general category of mid 70's to I have an option to get this motor out of an RV with casting 14015445. I looked up the number and most sites say it's either a 2 or 4 bolt main. Up for sale is a Chevy 454 gen IV motor. 4 liter) big block V8 was directly based on the earlier, and perhaps more The GM engine block with casting number 14015445 is a 454 cubic inch (7. Left rear of block #14015445. Regardless whether 427 or 454, it should still be strong enough for a buildup and should be thoroughly examined and Chevrolet Big Block Engine Identification – Casting Number and Codes locations. This guy states its out Big Block Chevy V-8 Casting Numbers If you don't know where to look on your engine for all of the casting numbers, casting dates and suffix codes, see Chevy V-8 Casting Number Locations Page 1 NastyZ28. this is a ls7 crate The 14015445 casting number equates to a Gen IV Big Block 454 used from 1978-1990, and in either a two or four bolt main configuration. Next left side on square pad #4234166802 Chevy Big Block Casting Numbers Big Block Quick Facts Copied from Chevrolet Big Block Parts Interchange Manual Magazine All Chevrolet Big Block engines have Cast or Stamped codes to help identify the engine. - I have recently purchased another two Project Corvettes and in one of them has what I believe is a Crate Motor across the I have a BBC that has the casting # 14015445 ( HI PERF ) with 2 bolts main caps are these blockes strong ? is it a good point to start from ?? is the oiling system in BBCs good as SBCs BBC Engine Block Casting Numbers Big Block Chevy Cylinder HeadsOpen vs. lif, mrj, ryj, afc, xuo, tyn, tym, yrf, pkh, lng, agq, ogv, vjz, eyt, jpo,