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Old 12-06-2012, 05:13 PM   #1
miscreant
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Question: Do I need to empty my gastank?

Hey guys,

I recently got a tune on a flasher that is gonna put my car up to 91 octane. The programming as it is right now is stock so I'm using regular. My tank is half-full. Do I need to empty it and put in 91 before I tune, or can I tuen it andrun on the 87octane for a few days?


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Old 12-06-2012, 06:14 PM   #2
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i would wait till its less than a quarter tank, than fill up with 91. or throw some octane booster in and fill up with 93 if accessible.
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Old 12-06-2012, 07:53 PM   #3
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Yup same here, run it out and fill up with 93. Also why did you get a 91oct tune and not a 93oct?
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Old 12-06-2012, 09:00 PM   #4
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I wasn't sure what to get. Didn't want my car to blow up.
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Old 12-06-2012, 09:06 PM   #5
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Here in Texas 93 octane is very abundant. Gotta love Texas and our refineries lol
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Old 12-06-2012, 09:11 PM   #6
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Now I just need to figure out how to drain the gastank...
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Old 12-06-2012, 09:23 PM   #7
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Just drive it out, it's way too much of a hassle to drain it, trust me on that lol
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Old 12-06-2012, 09:32 PM   #8
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Ha, yeah, I looked up some videos on youtube and I really don't feel like putting my car up on ramps after getting off work at 1am....I'll just have to take the scenic route home...
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Old 12-06-2012, 09:42 PM   #9
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Take the scenic route and don't use 5th gear lol
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Old 12-19-2012, 09:52 PM   #10
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I fill up w/ premium after I ordered my tune, makes it easier.
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