LS 1 engine ID numbers
Thread Starter
Teching In
Joined: May 2007
Posts: 5
Likes: 0
From: Pittsburg KS
LS 1 engine ID numbers Where can I get the ID. eng number to ID. the LS 1 engine? Where would the numbers be located on the block. This engine has a cast iron block with LS 1 alum. heads.
Mike
Mike
Hey mike, this is Darracq i was just looking for that info i found it before but cant remember where, There are some number on the block hehind the driver side head, if you want to post the number, and the number off the head. will be able to figure it out.
Here is something else i found
www.automotiverebuilder.com/ar/eb040538.htm
has some casting numbers.
www.automotiverebuilder.com/ar/eb040538.htm
has some casting numbers.
Thread Starter
Teching In
Joined: May 2007
Posts: 5
Likes: 0
From: Pittsburg KS
Ls 1 Near as I can tell without taking it apart is that it could be a 4.8 or a 5.3. The only part of the casting# I can make out is the 12551 & the heads are 862 & I was told it was a 99 model.
Mike
Mike
