how do i know I have original engine
06-18-2017, 07:33 AM
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how do i know I have original engine
i purchased a 79 trans am with a rebuilt motor. It is supposed to be a 403 motor.
it is painted red.
has head casting numbers of 4A and 554 and 717
does this sound like a 79 403 motor?
it is painted red.
has head casting numbers of 4A and 554 and 717
does this sound like a 79 403 motor?
06-20-2017, 04:09 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Re: how do i know I have original engine
Well, it sounds like a 2nd gen, not a 3rd gen.
If anyone on thirdgen.org cares to answer, they can PM you.
If anyone on thirdgen.org cares to answer, they can PM you.
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