Tune install Question
#1
Tune install Question
When you change tunes from a 87 performance tune to a 91 performance tune, do you need to put the stock 87 tune back in first or just install the new tune?
New to tuning so i just want to do it right.
Thanks!
New to tuning so i just want to do it right.
Thanks!
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'stangdude
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08-12-2015 01:27 PM