Engine Mechanical problem
1996 Chevy Lumina 6 cyl Automatic 164867 miles
are the heads on a 1991 chevy 3.1 engine the same as on a 1996 chevy 3.1 engine?
Saturday, January 9th, 2010 AT 5:08 PM
1 Reply
JACOBANDNICKOLAS
MECHANIC
109,885 POSTS
I don't have the cross reference information that you need. However, I will say there is a good chance that there are differences with sensor locations. We always recommend a direct fit replacement.