I am buying a block to start my build up on now. The guy I am getting the block from has 4 blocks to chose form. One of the blocks sounds kind of odd because it has a dipstick on both sides????? casting number for that one is 100660030. I am wondering if anyone can help me out with what this is. Also could anyone tell me what block numbers 14010207 and 14101148 come from? Thanks guys

 

www.mortec.com/castnum.htm

207 is a 80-85 305; the others mean nothing to me.

 

Could you have possibly made a typo???

There's this block which is close to one you gave....

14011148...350...87-89.......Roller cam, one-piece rear seal

But as far as this one (100660030) it's either totally wrong, or it's not a Chevy block.

 

Well the block you told me does not exist does. I did some searching and finally found out what it was. It's a GM Goodwrench crate engine block. I searched the other numbers out and they came back as 350 4 bolt mains from 1980 monte carlo's????