Quote:
Originally Posted by Sgreg
So, Jeff, you are saying a top notch tuner can make changes to the 90 prom to work with a 91 ? Maybe too much trouble ??
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The parameters in the calibrations are mostly the same. The primary params like VE, SA, etc are the same. So its just a matter of copying those tables over to the corresponding MASK ID for that year. Not sure what the gain would be. So you can take the 91 settings and copy them to a 90 chip. But that won't allow you to plug a 90 chip into a 91. There are physical differences as =Jeff= has described.