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Discussion Starter #1
I have been searching for new heads and was wondering if other years besides the 89-95 will fit on the a 91.

I have seen alot of 96+mustang heads and wanted to know if they are the same.

In general are the 89-97 3.8 mustang heads the same as the 89-91 t-bird/cougar?

Will supercharged heads work?

Thanks.
 

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Motorboatin' SOB, Headlight Cleaning Guru
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6,910 Posts
no such thing as 89-93 3.8 mustang heads, only 94-98 stangs. 89-97 tbird/coug heads will work, including the sc heads. mine are for sale as you know.
 

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Full Metal
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4,744 Posts
the heads are interchangeable, but the 94+ heads use a slightly different valve cover and gasket. IIRC, so to use the newer heads you would have to use the newer valve covers and gaskets, but the easiest swap would be to get the 89-93 mn12 3.8. i hope that's right, lol.
 
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