where can i find a engine suffix code list?
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Junior Member
Joined: Dec 2003
Posts: 24
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From: KC Kansas
Car: 87 Trans Am ws6
Engine: 350 TPI
Transmission: 700R4
where can i find a engine suffix code list?
i have a 87 TA that has had a motor swap before i purchased it and i cant decode the engine suffix code i am needing this to order a new prom because my original prom is still in the computer and my motor is out of an 89 i think it is a 350 and my car came with a 305 originally, the correct prom should fix my engine electrical problems, if any one can get me to a list me and my car would greatly appriciate it
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Not sure this is exactly what you mean, but scroll down below the table https://www.thirdgen.org/newdesign/tech/techdb.shtml
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From: out of my mind; be back in 5 minutes....
Car: 1989 Firebird Formula
Engine: Internal Combustion
Transmission: Completed
Axle/Gears: ones that turn.
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Thread Starter
Junior Member
Joined: Dec 2003
Posts: 24
Likes: 0
From: KC Kansas
Car: 87 Trans Am ws6
Engine: 350 TPI
Transmission: 700R4
www.mortec.com is a little better than these 2 links. if u give mortec.com your suffix code they will id your motor 4 u. just type in your code and they will e-mail u with plant, month day and year of production. thats what i was after(had wrong prom when last owner went from 87 305tpi to 87 350tpi)
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