Every GT comes with a 8.8, was your a conversion? or is it a real GT? If it is then its, of course, a 8.8.
By the way, 3.73's are great!
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-1993 Mustang, 900rwhp 03-04 cobra based 4v swap, full Griggs setup, project underway
-1994 Ranger w/ 427cid windsor (daily beater)
check it out!
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