I just obtained a chevy small block that I was told was a 350. I pulled this information off the block:
Casting: #3858174
Casting Date: A276
Engine Code: FOI29YW
No Partial VIN on block
"Clock" casting symbol
Based on the casting # I understand this should have originally been a 64-67 327 from a fullsize Chevelle, a Corvette, Camaro, or truck. The hp should range anyway between 275-350. The "clock" symbol was suppossedly put on blocks made mainly in Saginaw. The casting date says the engine was assembled on Jan 27, 1966. NOW, here's the confusing part. Based on the engine code suffix...YW...this should be a 427 BIG BLOCK. I have not mistaken the numbers...they are very visible and clear.
If anyone has any idea what might be going on PLEASE let me know!
Thanks