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Old 04-04-2012, 09:29 AM   #1
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how to...

I have received my Cai and I want to switch to the race tune but it uses 91 for gas and I have 87 in the car now. What should I do first? Fill the tank with 91 then tune or tune then get the gas? I don't want to ruin the engine and the computer
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Old 04-04-2012, 09:31 AM   #2
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Burn up the 87, refill with 91 (and to be safe I personally would run through that one and refill again) then tune the car
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Old 04-04-2012, 09:33 AM   #3
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So it won't matter if the tune now is designed for the 87?
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Old 04-04-2012, 11:45 AM   #4
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Re: how to...

yup run though the full tank of 87 or as much as you can then fill up with premium and load the tune.
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