Quote:
Originally Posted by daveagogo1
Cannot say for sure but the ecm handles and reads the exhaust. Pretty much all of the exhaust manufacturers tell you to disconnect the battery before the work so that on initial startup it will learn the new exhaust. Why wouldn't it relearn octane tables also.
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because the camaro ECM is dumb and once it reads an octane table its stuck there. Unless you do the fuse pull, which resets the octane table.