Generation IV Internal Engine 2005-2014 LS2 | LS3 | LS7 | L92 | LS9

2008 L76 compression

Thread Tools
 
Search this Thread
 
Old Jan 19, 2014 | 07:31 AM
  #1  
5speedsteve's Avatar
Thread Starter
Teching In
 
Joined: Jul 2013
Posts: 31
Likes: 0
From: NW suburbs Chicago
Default 2008 L76 compression

Can anyone confirm the compression of a 2008 L76 car engine (from a G8 GT)? I have seen on here everything form 9.6:1 to 10.4: 1 I have also seen here and read elsewhere that the L76 truck is the 9.6:1 and the car is 10.4:1.
Reply
Old Jan 20, 2014 | 01:21 AM
  #2  
ringgold's Avatar
On The Tree
 
Joined: Aug 2011
Posts: 105
Likes: 0
From: Somewhere, VA
Default

Originally Posted by 5speedsteve
Can anyone confirm the compression of a 2008 L76 car engine (from a G8 GT)? I have seen on here everything form 9.6:1 to 10.4: 1 I have also seen here and read elsewhere that the L76 truck is the 9.6:1 and the car is 10.4:1.
I know the truck L76 has valve reliefs cut into the pistons and should be the lower compression of the two.
Reply
Old Jan 20, 2014 | 08:19 AM
  #3  
redtan's Avatar
TECH Junkie
iTrader: (5)
 
Joined: May 2008
Posts: 3,764
Likes: 17
From: Belmont, MA
Default

I know the truck L76 has valve reliefs cut into the pistons and should be the lower compression of the two.
It's not 9.6:1 that's for sure.

LS3s are around 10.7:1 and the L76s with their valve reliefs end up around 10.4:1
Reply
Old Jan 23, 2014 | 09:39 PM
  #4  
Zfan's Avatar
Launching!
 
Joined: Jan 2008
Posts: 245
Likes: 0
From: Allen,TX.
Default

My 2008 L76 motor is 10.4 to 1 compression
Reply




All times are GMT -5. The time now is 10:04 PM.