Need new ECM chip?
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Joined: Jan 2005
Posts: 220
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From: Eastern Georgia
Car: 1986 Iroc-Z
Engine: 305 TPI (used to be Carb)
Transmission: 700R4
Need new ECM chip?
I have rebuilt my 305 in my 86 IROC-Z. I used a cam a little more beefy than stock. It is a comp cams XE 256H-12 Intake: 212 Exhaust: 218 Duration: .050 and LSA of 112. I have also added headers, and a 3" back exhaust with high flow cats. With these changes do you think I would need a new chip burned? Thanks
Tony
Tony
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