Astor van ecm questions
Astor van ecm questions
I know this is a camaro/firebird site but I have heard this is the best place to get answers about ECM's. SO this is my situation: 1994 Astro with 4.3 and auto trans. I need to have the pcm flashed or a chip burned. I built a high performance 4.3 and need the pcm work done to match it. Any one know how to do this?
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Joined: Nov 2011
Posts: 214
Likes: 1
From: Central Falls, Ri
Car: 92 Camaro rs ( mostly stock for now
Engine: 3.1 v6
Transmission: 700r4 with a b&m megashifter.
Axle/Gears: whatever came stock. wanna posi tho
Re: Astor van ecm questions
look up stunned performance on this site. great Guy and VERY knowledgeable
Joined: Dec 2004
Posts: 16,754
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Astor van ecm questions
Tbi/tpi chips is Brian HarrisI have a mile long Dutch last name

https://www.thirdgen.org/forums/dfi-...t-my-prom.html
Re: Astor van ecm questions

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Joined: Jan 2005
Posts: 10,417
Likes: 494
From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
Re: Astor van ecm questions
I did not know that GM went to the flash ECM for the CPI until the middle of the 1995 year model. Some of the 95s I have ran across had the vortec crab style distributer, crank sensor and a flash style black box PCM. However I have only seen the 7427 PCM in the other CPIs I have worked with.
I was able to make signifigant HP/TQ gains in the 4.3 CPI swapped 87 GM Jimmy I tuned.
I was able to make signifigant HP/TQ gains in the 4.3 CPI swapped 87 GM Jimmy I tuned.
Last edited by Fast355; Jul 20, 2013 at 01:43 PM.
Joined: Dec 2004
Posts: 16,754
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Astor van ecm questions
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