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Old 07-10-2013, 05:57 PM   #1
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I tuned my car with half a tank with regular gas... Will it hurt my car? Could it be mixed with 92 if I added octane booster? From now on I'm gonna be running on 92 octane because wawa is a bum and doesn't carry 93 anymore.
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Old 07-10-2013, 06:08 PM   #2
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unless I have been living under a rock to long, I can't see a problem, you can mix, any pump gas with any pump gas to my knowledge...without any issues.
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Old 07-10-2013, 06:10 PM   #3
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Just wait till you get a full tank of 91 to be safe
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Old 07-10-2013, 06:11 PM   #4
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unless I have been living under a rock to long, I can't see a problem, you can mix, any pump gas with any pump gas to my knowledge...without any issues.
LmAo hey, I wanna be safe then sorry. Don't wanna put my car in any type of stress. But do you know if you tune your car first or do you get higher octane first?
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Old 07-10-2013, 06:12 PM   #5
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Have the gas in the car first, then tune

Also you ordered 91 octane tunes right? If that's so 91 is all you need
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Old 07-10-2013, 06:21 PM   #6
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Hehe well I have half a tank. I'll be gone for an hour get my gas and tuner her up. Then she'll be perring like a kitten. But I'm scared because I don't want it to f*ck up
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Old 07-10-2013, 06:36 PM   #7
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If you wanna be safe since it's your first time filling up and changing over, you can get 92 or use octane booster, you should be fine
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Old 07-10-2013, 06:46 PM   #8
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The tuner is no supercharger or major power adder but you will notice a difference haha, will feel refined
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Old 07-10-2013, 07:24 PM   #9
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The tuner is no supercharger or major power adder but you will notice a difference haha, will feel refined
Oh yeah I know that. Ha. But I'm just driving around now. Tryna kill all my gas.and tune her up! Want her to be in the best shap possible
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Old 07-10-2013, 07:29 PM   #10
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Let us know how it goes!
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Old 07-10-2013, 08:00 PM   #11
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I had same thoughts-


I am running on 87, I have about 10 miles left. Trying empty her down.
Tomorrow once I get my tune on, it'll be running on 93. (Peformance tune)
Once I do that, I'm going fill up the tank with 93 top of the small 10-5 mile worth of gas from 87.
Would this be okay?
/:

My car has 178k mile and runs very strong, and I don't want screw it up over mixing gas? O.o
/:
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Old 07-10-2013, 08:13 PM   #12
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I have the same problem. Put on a new drive shaft and now trying to run out the 87 octane. I thought about putting 93 in, when I get down to 1/4 of a tank.
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Old 07-10-2013, 08:23 PM   #13
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I have the same problem. Put on a new drive shaft and now trying to run out the 87 octane. I thought about putting 93 in, when I get down to 1/4 of a tank.
That's where I'm at now... Idk what to do. I've been told just to let the tank go to E and fill with 91-93 octane
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Old 07-10-2013, 08:51 PM   #14
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This is just how I did it it but I went through one tank of 89 and tried to use it up as much as I could, filled up full tank with 91, then I just burned off half of that and filled with 91 again and I had no problems. If anyone here knows if that last bit of gas would do any harm chime in but I think it will be fine. I would think that it would be a overwhelmed by a new full tank of gas though, just burn off all you can, I'd at least wait untill the low fuel light. Fill up and if you're worried drive on that a little bit more and fill up that last little bit again. Haven't heard anyone having problems switching over yet
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Old 07-10-2013, 08:56 PM   #15
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This is just how I did it it but I went through one tank of 89 and tried to use it up as much as I could, filled up full tank with 91, then I just burned off half of that and filled with 91 again and I had no problems. If anyone here knows if that last bit of gas would do any harm chime in but I think it will be fine. I would think that it would be a overwhelmed by a new full tank of gas though, just burn off all you can, I'd at least wait untill the low fuel light. Fill up and if you're worried drive on that a little bit more and fill up that last little bit again. Haven't heard anyone having problems switching over yet
I'll let you know if it f*cks my **** up lol. I'm down to a quarter and just gonna tune it.
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Old 07-10-2013, 09:06 PM   #16
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Haha as long as you don't hear any pinging you should be good, and for anyone else when I say overwhelmed I just mean the old gas would be pretty much gone
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Old 07-10-2013, 09:16 PM   #17
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It's was a success baby!!
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Old 07-10-2013, 09:50 PM   #18
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Glad to hear have fun playing around with it
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Old 07-11-2013, 12:43 PM   #19
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Glad to hear have fun playing around with it
Like I said before thanks very much for all the assistance
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Old 07-11-2013, 09:45 PM   #20
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I switched from a 89 street tune to a 93 race tune when i had an eighth tank of 89 and the rest 93 octane. No problems.
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Old 07-11-2013, 10:12 PM   #21
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I switched from a 89 street tune to a 93 race tune when i had an eighth tank of 89 and the rest 93 octane. No problems.
I was fine with my gas. Ran it down to as much as I could and put 92 in it. I run racing tune too
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Old 07-12-2013, 12:16 AM   #22
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I kept my 86 gas octane low on 5 miles till I finished modding my car, then I switched over to 93 octane.
Runs strong, I hope it stays that way. (:
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Old 07-19-2013, 11:02 AM   #23
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I wouldnt try that. Dont want to be mixing gas
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Old 07-19-2013, 11:10 AM   #24
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You can safely do it when its low, just dont run it too low so that you might harm your engine.
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