Quote:
Originally Posted by ayau
My understanding is that canned tunes will be good enough for majority of owners, however, there's still room for improvement since every car is made slightly different. Even on completely stock cars, no 2 cars will respond the same to the factory tune.
My questions are, what should I be looking for in the datalogs to see how well my specific car is responding to the canned tune? Am I looking for AFRs and making sure command AFR is in line with the actual AFR? Basically, what can I see on the datalog to know that my car is responding well to the tune (what are e-tuners looking for)?
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Lots of info on this already as posted above, but the answer is that a canned tune is going to be inferior to a custom tune 75% of the time or more. Log might look clean but there may be some more room on the table.