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2.2 with 2.5 heads?

Posted: Tue Aug 26, 2008 5:11 pm
by race_to_live
I have a 91 2.2 turbo and i would really like to put the 2.5 heads on. I think if i have read correctly that 2.5 heads will fit, but im just worried about all the small things that i might have to change. i would just like to have everything in front of me rather then tearing everything apart and having it sit in my garage for weeks.

Posted: Tue Aug 26, 2008 5:59 pm
by Legacy777
This has been covered before. I'd suggest searching some more.

The biggest issues you'll run across are that the 2.5 n/a heads are not tapped/setup to supply coolant & oil to the turbo, or return the oil to the head.

In addition the intake manifold will have to swapped over.