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NorCalTurbos

Slowing down to SPEED UP!!!
Joined
Nov 9, 2013
Messages
1,125
What's the difference on the stock chips for ha and ic besides the elec fan & mat sensor?
 
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Is it possible to run the 87 ECM with the 85 chip? I know the calpak is compatible, but what about the big chip?
 
Hey Jerryl,
The picture in that post is showing a thumbwheel style chip compared to a normal chip.

The actual type/size of the chip is the same for the 84 through 87, but the programming is completely different so you still can't interchange them.

Regards,
Eric
 
Damn. I stand corrected. #eggonface.
Is it the ECM or the chip that makes it possible to use a scanmaster ? Basically I'm asking can I use my 85 chip with the 87 ECM and scanmaster until my new chip is ordered?
 
Nope, tried it check engine light blink like crazy I guess the chip for the 85 is not compatible with the 87 ECM. I was taking a shot to see why scan tools can't be used with hot air ECM just curious that's all
 
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