FI mail order tune?
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An FI car is a lot different and more crucial to having a tune that is spot on (and a more difficult one to get a good tune with via mail order). I would trust (and I have done this before) getting a mail order tune just to be able to drive the car around out of boost to check everything and be able to drive it. Then I would drive it to the tuner for a full dyno tune which is really what an FI car needs.
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Last edited by sweet99ss; Oct 20, 2012 at 05:39 PM.
You should be fine.
An estimated mail order tune would be better than no tune at all.
will the LS 4.8 with 60lb injectors and a LS1 MAF start and idle decent without a tune?





