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#1
06-21-2005, 06:54 PM
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pontiac sunbird head?
Hey everyone, I have heard that the cylinder head from a pontiac sunbird is the same as a fiero's head, I need a new head for my 86 fiero, and i was wondering if anyone can verify that the head from a sunbird will fit on my fiero. thanks alot. -mark
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#2
06-22-2005, 07:40 AM
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Re: pontiac sunbird head?
There are three basic flavors of 2.5 head in that era. The "R" (VIN code) head is what cam on Fiero. The others are the RWD version (S-10s, etc.) and the "U" code. They are NOT interchangeable. You must take the casting number (7 or 8 digit number, cast into the head) and match it to the "new" head. It must also have the "R" code head gasket pattern. I can't recall which is which, but one of the FWD heads has one head bolt hole offset differently than the other.
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