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Wrong gasoline need advice.
87 octane fuel by mistake.
Build Stock block 600cc GTM Twin Turbo kit ASR tune @ 8 psi for 93 octane using ECM flash. Question What's the damage if I run it at half a tank before mixing it with 93 octane? Would call my tuner, but little embarrassed about it. |
I would dump in a couple bottles of octane booster and take it easy on the gas until you can fill up at least a 1/2 tank of 91+ then I would still take it easy until that tank was gone.
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Dentation is my biggest worry. I've read countless post about other people making the mistake, but nothing about VQ/VHR/DE engines with a ECM flash.
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Ps call your tuner to make sure. Nothing to be embarrassed about, it's not like you put diesel in! |
If you can't empty the tank manually then I would see if any of your local performance shops carry "Torco Accelerator". It's the only octane booster I have seen work very well and 24-32oz should bring your octane up enough to drive it like you stole it.
Only downside, it's not cheap. It's about 20-$24 for a bottle which is 32oz. It works great though. |
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I know GTM tune there's cars at 91 only because it's the only thing available in CA. I'll babe it while having my fingers cross, and yea guess I'll call my tuner. |
I'd siphon out as much as I could and then gently drive to the gas station for a fill up. Give it a few minutes of gentle driving to clear any low-octane gas from the system and you should be OK. Might want to wait until the next fill up before going WOT.
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I've got a hose and have siphoned gas before. ;)
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Let me know when you're in the area.:) |
You can't hurt it if you don't go wot. You can run to redline with no boost and stay in closed loop and will be fine. Just go for a long drive or take it easy for a few days. It's not a big deal. Even if you do boost or go into open loop (no idea why you'd risk it) you still have a knock sensor for a reason. I doubt you'd be retarded and punch on purpose so for a second your knock sensor will do its job. Running a gear to redline on the other hand, I wouldn't trust it that much.
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I agree with siphoning it. Makes total sense and not have to drive with low octane gas. Since you brought it up, what's the rest of the story? As in why and how did this happen?
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Stay OUT of boost and keep it at part throttle. Even out of boost, unless you are running low CR pistons, at high altitude, and in ambient temps below 70* F, DO NOT REV UP TO REDLINE. In the immortal words of "owl-stewie", "take it sloooowwww". As in total granny driving.
Take a leisurely cruise at low speeds, burn up 3/4 of a tank, and fill with the highest octane available at a pump (100 if you can find it). Drive ever so slightly more normally, burn through another half a tank, fill with 93 AKI, and all should be fine. Only other option is siphoning... |
Siphoning is easy and the most logical option IMO
Kaien was nice enough to offer or any competent shop could do this for you :tup: |
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The story was simple. I drive 4 other vehicle that use 87, and 1 that's driven 2 days a week that use 93. Soon as I realize it was 87 and not 93 it was filled to the top. Mistakes happen and I'm a dumbass for not taking the time to pick proper fuel. I'll just babe it for a few weeks and move on with my life. People have already admitted the same mistake and they're we're fine. Quote:
Game plan. Filler 1/2 way with 93, and never go over 3k RMP till then. |
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Throw some Toluene in her as a cheaper octane booster. I just did a trip to the US and had to put 91 in mine (tuned for 94) I just brought down some toluene to bump up the octane and had 0 issues along the way. It cant hurt, although everyones suggestions here are also very good.
Atleast you realized what you did, lol. |
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You must have spent $20-40k on your car... $20 surely can't hurt too much. And have you siphoned gas? I have. Most (I think all) modern cars have built in anti-siphon tubes, so you have to use a tiny hose to get gas out. IMO not worth the time. |
Or you could just pull the lid to the tank behind the drivers seat. It is just a cap that is held on with 4 bolts. If you go behind the drivers seat then you dont have to worry about messing around with the fuel pump. Takes about 10 minutes to get at and then you can open the tank up stick a garden hose in there and suck away.
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Yes I can remove the driver seat for the lid, but I'll need to find a pump. I'm not going to spend all day using a small hand pump. May have to look online, and tbh don't think it's that serious after using the booster, and grandma driving to empty. |
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You dont need a pump. |
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Because that shít doesn't work. You can use: Torco Xylene (with Marvel Mystery Oil) Toluene Boostane Not much else will work or is safe. |
Toluene has 114 Octane. Which means you need to cut your 87 with 15% by volume of Toluene. So your looking at about 3 gallons of Toluene to bring it up to 91.
Just goes to show how little a little bottle of "octane booster" would do. |
Take it 104 is false advertisement.
Ok thanks for schooling. |
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Tuning Myths - Performance Fuel Additives - Import Tuner Magazine |
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..looks like I arrived late again.. :ugh:
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Don't worry, I saved you a seat.
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.... Shhhh guys Kenchan is here.
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