What prom is in the '870 ecm?
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Junior Member
Joined: Oct 2006
Posts: 56
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From: Mississippi
Car: 1985 IROC
Engine: lb9
Transmission: 700R4 B&M shiftkit
Axle/Gears: 3.42s
What prom is in the '870 ecm?
What chip comes in the '870 ECMs in the 1985 cars with tuned port injection. Is it the 2732A? I have mine right here, but I can't read any numbers because they are covered by a plastic shell that helps keep it in the socket. It does have 24 pins (4 plastic legs of 3 pins on one side and 6 plastic legs of 2 pins on the other, though the pins are evenly spaced apart.)
Thread Starter
Junior Member
Joined: Oct 2006
Posts: 56
Likes: 0
From: Mississippi
Car: 1985 IROC
Engine: lb9
Transmission: 700R4 B&M shiftkit
Axle/Gears: 3.42s
Re: What prom is in the '870 ecm?
I've answered my own question with some research. To anyone who is wondering, the '870 ECM has the 2732A prom which has 24 pins and a plastic shell.
Last edited by danielmonster; Sep 1, 2008 at 09:07 PM.
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