Engine identification help
 

I have a 71 Chevy C30, Original engine was a 6 cylinder. It now has a small block v8 with 4 speed trans. Can someone help me, trying to find out what year the engine is. I know its a 400

Numbers on back of block - 3951511
Numbers on front of block - T0919CSA
Numbers on front of block - 13Y110364

Re: Engine identification help
 

It's a 1973 400 small block

Re: Engine identification help
 

ok thank you

Re: Engine identification help
 

Chevrolet
Category Engine Blocks
Type Small Block V8
Date 1970-1972
Notes 400, 2 bolt or 4 bol

Re: Engine identification help
 

73 had 402 actually im not positive for trucks


:crazy:

Re: Engine identification help
 

How can I tell if its a 4 bolt or 2 bolt without taking the pan off? Does the block ID numbers not say or anymore information on it.

Re: Engine identification help
 

with small blocks thats only guaranteed way to tell 2 or 4 bolt.