85 ecm upgrade question
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Joined: Aug 2004
Posts: 688
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From: va fairfax
Car: 85 camaro z28
Engine: 305
Transmission: auto to manaul
85 ecm upgrade question
is the easiest way to upgrade the 85 ecm is just change the ecm and wiring harness. will the 87 harness work with no problems and talk to the dash harness? repinning is not 4 me.
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iTrader: (2)
Joined: Feb 2006
Posts: 49
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From: North carolina via LI New York
Car: 85 T/A
Engine: 305 TPI
Transmission: 700R
Re: 85 ecm upgrade question
This post will answer your question. I'm in the same situation.
https://www.thirdgen.org/forums/diy-...50-prom-i.html
https://www.thirdgen.org/forums/diy-...50-prom-i.html
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NinjaNife
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Aug 23, 2015 11:49 AM




