WTB: '87 ACFZ PROM
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Junior Member
Joined: Aug 2002
Posts: 64
Likes: 6
From: austin, tx
Car: itsa '85 LG4 S/E Turd 'Bird
Engine: Wheezy 305
Transmission: 700R4
Axle/Gears: 10Bolt, 3.42s, TruTrac
WTB: '87 ACFZ PROM
I need an ACFZ prom from '87. (maybe 86 or 88, not sure if available then).
I bought an '87 computer to update my '85 E4ME CCC car but I need the correct/better prom.
If you have one, let me know. Located in TX 78610
I bought an '87 computer to update my '85 E4ME CCC car but I need the correct/better prom.
If you have one, let me know. Located in TX 78610
Joined: Dec 2004
Posts: 16,888
Likes: 1,013
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: WTB: '87 ACFZ PROM
Gm 16070135 might be a hard find always this
for 305 Automatic
https://www.ebay.com/itm/254974665046
for 305 Automatic
https://www.ebay.com/itm/254974665046
Thread Starter
Junior Member
Joined: Aug 2002
Posts: 64
Likes: 6
From: austin, tx
Car: itsa '85 LG4 S/E Turd 'Bird
Engine: Wheezy 305
Transmission: 700R4
Axle/Gears: 10Bolt, 3.42s, TruTrac
Re: WTB: '87 ACFZ PROM
Prom used in the L69 (305HO Qjet) engine.
ACFZ is the code printed on the original computer and on the chip.
i'm putting together a 0.020 350 for the firebird and want better advance curve than the LG4. I may have a line on custom burned prom with even more aggressive ZZ4 timing curve.
ACFZ is the code printed on the original computer and on the chip.
i'm putting together a 0.020 350 for the firebird and want better advance curve than the LG4. I may have a line on custom burned prom with even more aggressive ZZ4 timing curve.
Joined: Feb 2004
Posts: 1,942
Likes: 30
From: Levittown Pa
Car: 89 Iroc Convertible
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.27 Posi 9 bolt PBR
Re: WTB: '87 ACFZ PROM
I believe I have one from a Monte Carlo SS which came factory with the L69 motor
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