87 5.0 tpi 5spd factory chip

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Apr 17, 2009 | 11:02 AM

seventy77

Thread Starter

Junior Member

Joined: May 2008

Posts: 47

Likes: 0

From: VT

Car: 87 GTA

Engine: 5.0

Transmission: 5spd

Axle/Gears: 3:45

87 5.0 tpi 5spd factory chip

Does anyone have numbers off a factory chip for this car,or a website i can find out?

Apr 17, 2009 | 11:49 AM

mnorton

Senior Member

Joined: May 2002

Posts: 845

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From: Northern California, Redding

Car: Red 1987 IROC Convertible

Engine: 305 LB9 TPI

Transmission: T5 5-Speed

Axle/Gears: 9-Bolt 3.45

Re: 87 5.0 tpi 5spd factory chip

There are a few different chips for these cars. Gear ratio's are factors, and maybe air conditioning and smog regulations too.

ACYD 1139.bin is for a 3.45 gear
ACYC 1135.bin is for a 3.08 gear

Apr 17, 2009 | 04:37 PM

seventy77

Thread Starter

Junior Member

Joined: May 2008

Posts: 47

Likes: 0

From: VT

Car: 87 GTA

Engine: 5.0

Transmission: 5spd

Axle/Gears: 3:45

Re: 87 5.0 tpi 5spd factory chip

cool,thanks!! appreciate the info..

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