2 piece prom? Pics inside!
Thread Starter
Senior Member
Joined: Aug 2001
Posts: 972
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From: Memphis, Tn
Car: 92' RS
Engine: 357
Transmission: TH350
Axle/Gears: 4.10
2 piece prom? Pics inside!
While i was replcing my computer i noticed my prom didnt look normal. Heres what i pulled out of my ecm. 91' 730 GTA.
Supreme Member
Joined: Jun 2002
Posts: 1,787
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From: great lakes
thats becuase someone has replaced your factory memcal with either an aftermarket prom ( hyrpertech etc ) or has done a DIY prom. that is a memcal adapter which allows you to plug a custom programmed chip into you vehicle computer. now might not be a bad time to get going on learning such things.
Thread Starter
Senior Member
Joined: Aug 2001
Posts: 972
Likes: 0
From: Memphis, Tn
Car: 92' RS
Engine: 357
Transmission: TH350
Axle/Gears: 4.10
Sorry for posting a year later but wanted to tell you thanks for the info. I had computer problems where it wasnt showing me any of my post or replys a while back ago and i was just browsing my old post.
Thanks
Thanks
Supreme Member
Joined: Jan 2003
Posts: 2,043
Likes: 3
From: San Diego
Car: 1994 Trans Am
Engine: LT1
Transmission: Auto
Axle/Gears: 3.23
So what else is needed to use that 2 peice prom? I've heard of aftermarket proms and needing to change some things. Give me some details.
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