The February 2010 issue of "Engine Builder" magazine states there are updated 3.1 and 3.4 cylinder head torque specs.
Here is a scan of the magazine...
Here is a scan of the magazine...
Attached Files
-
Ron - Nevada, TX
Care-giver to following GM 60-degree V6 vehicles:
'95 Camaro 3.4
'02 Olds Silhouette
Owner of following GM other V6 vehicles:
'91 Syclone
'87 Grand National -
those are the specs i've been using... -
That's tighter than I recall. I remember it being 33 lbs-ft plus 90 degrees and the tightening order being a spiral pattern.
Edit: My bad. L82 is 33 lbs-ft plus 90, LG8/LA1 is 44 lbs-ft plus 95.Last edited by Azrael; 04-03-2010, 09:40 PM.1995 Grand Am SEComment
-
My GM service manual and the Haynes manual have the same/old specs.Ron - Nevada, TX
Care-giver to following GM 60-degree V6 vehicles:
'95 Camaro 3.4
'02 Olds Silhouette
Owner of following GM other V6 vehicles:
'91 Syclone
'87 Grand NationalComment
-
Just double checked, 44+ 95 degrees is what i've been using for at least the last 5 yrs.
how old is your GM manual?Comment
-
My GM manual says 6-25-94 on the 2nd page.
My Haynes manual says (c) 1996, 1997, 2000, 2004Ron - Nevada, TX
Care-giver to following GM 60-degree V6 vehicles:
'95 Camaro 3.4
'02 Olds Silhouette
Owner of following GM other V6 vehicles:
'91 Syclone
'87 Grand NationalComment
Comment