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Messed up with gas

So I accidentally added 4 gallons of 85 octane then notice and stopped finishes with 91 octane. Is that okay any damage to car? Should I drain has or anything

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Old 10-03-2015, 03:50 PM   #1 (permalink)
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Default Messed up with gas

So I accidentally added 4 gallons of 85 octane then notice and stopped finishes with 91 octane. Is that okay any damage to car? Should I drain has or anything
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Old 10-03-2015, 03:54 PM   #2 (permalink)
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You'll be fine.

Just drive normal until your at half a tank and refill with 91.
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Old 10-03-2015, 04:17 PM   #3 (permalink)
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Originally Posted by Trips View Post
You'll be fine.

Just drive normal until your at half a tank and refill with 91.

^^^this^^^

And by normal Trips means no WOT and keep the rpms low.
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Old 10-03-2015, 04:37 PM   #4 (permalink)
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85 octane gas or e85?
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Old 10-03-2015, 05:23 PM   #5 (permalink)
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85 octane gas or e85?
No just normal octane
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Old 10-03-2015, 05:28 PM   #6 (permalink)
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Add some octane booster and forget about it.
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Old 10-03-2015, 05:58 PM   #7 (permalink)
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Add some octane booster and forget about it.
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Old 10-03-2015, 06:31 PM   #8 (permalink)
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Octane booster doesn't help much. It will only raise the octane a few points. Either drive carefully for half a tank and top off with premium, or throw some Toluene in. That'll raise the octane. Just don't get any on your paint.
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Old 10-03-2015, 07:39 PM   #9 (permalink)
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You WILL notice a big performance dropoff. All you can do is ride it out until next refill. Low octane won't hurt the car but the engine will let you know you're not going anywhere fast.
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Old 10-03-2015, 08:52 PM   #10 (permalink)
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Octane booster will only boost like 0.2 octane for the entire tank, no?

Pour in toulene like you mean it if you want.
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Old 10-03-2015, 11:07 PM   #11 (permalink)
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Actually, put in some E85 which will effectively raise the octane rating; 2-4 gallons would do nicely.
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Old 10-04-2015, 12:01 AM   #12 (permalink)
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Is El Paso TX a high elevation area? I'm surprised they're selling 85 octane if it's near sea level.
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Old 10-04-2015, 12:45 AM   #13 (permalink)
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I've actually never heard of 85 octane
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Old 10-04-2015, 01:23 AM   #14 (permalink)
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you will have 0 issues and not noticed a big difference i have put in 87 octane before on accident and didn't see any difference in performance and drove the car like i always do
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Old 10-04-2015, 02:00 AM   #15 (permalink)
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Quote:
Originally Posted by jwick View Post
I've actually never heard of 85 octane
Haha come to Colorado, that's all we use for the cheap stuff. 87, 91, 100 and E-85 are available. Wish we got 93 octane.
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