Quote Originally Posted by Andrew_99GTP View Post
From what I heard that was a common problem of the quad 4. The usually blew around 100K is what I was told.
I have an 89 olds cutlass calais with the lo quad 4, and yea I blew the head gasket at about 80,000 miles, need a icm now and some valve work done,so while working on this I got my wife A 97 Grand Prix SE.

So if anyone got any spare 11 pin icm's, for the 89 olds cutlass calais let me know.