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Old 06-20-2022, 10:39 PM
Keith Seymore's Avatar
Keith Seymore Keith Seymore is online now
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Join Date: Nov 2007
Location: Motor City
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I agree that Box 77 is manual transmission information, as option "778" is the M21 close ratio trans, but "777" does not appear in my GTO literature (which makes sense if it is specific to 6 cylinder offerings).

K

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