1227165 ecm / 87 camaro iroc-z question
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Joined: Jan 2005
Posts: 121
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From: PA
Car: Dark Blue 1987 Chevy Iroc-Z Camaro
Engine: 5.7 350
Transmission: T5
Axle/Gears: 3:42
1227165 ecm / 87 camaro iroc-z question
Ive read the boards and still have alittle hesitation, I have taken a 305 TPI 5speed iroc-z and put a modified 350 behind the 5 speed. I bought a Prominator chip so i can upload bins the the ecm now do I need to buy a new chip or is the 305 / 350 chips the same just the setting are different ? for instance if i just change the settings on the bin file (Fuel injectors,Engine Cubic Inch sizes ect..) for the 305 chip will the car work fine ?
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Joined: Jan 2003
Posts: 1,931
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From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
I have the exact scenerio. I ran the car at first with the stock 305 bin in there. When I bought my Prominator I and them upload a APYP Corvette bin. The car aftually ran better with the stock 305 bin ( APYS ) . I would just start by changeing the injector constant in you bin to 22 lb's . That is assumeing you have the 2 lb injecotrs in there now .
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