Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:

what block is this?

Thread Tools
 
Search this Thread
 
Old Jan 21, 2006 | 12:46 PM
  #1  
frisky2101's Avatar
Thread Starter
12 Second Club
iTrader: (8)
 
Joined: Feb 2005
Posts: 756
Likes: 0
From: Rapid City SD
Default what block is this?

can someone ID this part number for me

12560676
or
12560626
Reply
Old Jan 21, 2006 | 12:51 PM
  #2  
PREDATOR-Z's Avatar
TECH Senior Member
 
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
Default

Originally Posted by frisky2101
can someone ID this part number for me

12560676
or
12560626
2000 LS1 block with a cored rear cover oil passage.
Reply
Old Jan 21, 2006 | 12:56 PM
  #3  
frisky2101's Avatar
Thread Starter
12 Second Club
iTrader: (8)
 
Joined: Feb 2005
Posts: 756
Likes: 0
From: Rapid City SD
Default

thanks for in info. kinda makes me wonder would this be a "stock" block for a 99 TA?

I am kinda lost with the what you said about the cored rear cover oil passage?

What do this mean, anything special about it?

Last edited by frisky2101; Jan 21, 2006 at 11:56 PM.
Reply
Old Jan 22, 2006 | 03:41 PM
  #4  
ACW's Avatar
ACW
TECH Veteran
 
Joined: Dec 2004
Posts: 4,012
Likes: 1
From: Beaumont, TX
Default

Originally Posted by frisky2101
thanks for in info. kinda makes me wonder would this be a "stock" block for a 99 TA?

I am kinda lost with the what you said about the cored rear cover oil passage?

What do this mean, anything special about it?
Yep, sounds like that would have been used in 1999 and 2000...

According to http://www.automotiverebuilder.com/ar/eb040538.htm

"The right front corner of the block was reinforced in '99 and there was a deep oil slot added to the back of the block to allow more oil to flow to the right hand lifter galley. Look for a 12559378 or a 12560626 casting."
Reply




All times are GMT -5. The time now is 03:32 PM.