Mail order tune accuracy?
#1
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Does anyone know if the mail order tune guys guarantee any level of open loop A/F accuracy or drive-ability? I am concerned that I will end up with something is is set rich and just relies on feedback to make it right. It seems like people are generally happy with the results they have experienced, but I am still a little sceptical.
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Some guys know how better than others, but I purchased a mail order tune after my cam install, and when I finally did get it to a dyno (no tuner) it was in the high 13s and low 14s at WOT. Not sure how it stayed together