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#1
08-24-2008, 06:25 AM
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I pumped leaded gas into my Coupe, what to do?
I just pumped 112 Octane LEADED gas into my car by mistake, (idiot i know), I was at the race track and instead of unleaded i pumped the other one by mistake. ANYWAY i had about half a tank of 92octane in the tank already, and I added 5 gallons of 112octane LEADED, noticed it was leaded after I put the 5 gallons so I then finished it off with 5 more gallons of 100octane UNLEADED. As I drove my car through the night I heard a mild knocking, crackling coming from the engine, what damage can be done to my car because of this mistake? How can I fix it? What can I do??
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#3
08-24-2008, 10:06 AM
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It won't hurt the engine at all, your cats are, most likely, toast. They will melt inside and get covered will goo. Time for some nice HF cats!
__________________
Those who hammer their guns into plows will plow for those who do not.--- Thomas Jefferson 2005 DG MT6 Sport Sedan Premium, MREV2, NISMO R tune CAI, M-45 sport wheels w/Falken TS115, Hotchkis bars, 350Z springs, StopTech Stage II kit, etc.
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#5
08-24-2008, 03:00 PM
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Quote:
I tried to cyphen it out but I guess our cars have an anti-cyphen valve in the tank to where we can't do it. I tried, and like 4 other people tried and we couldn't get the gas out. Plus I heard I had to take the back seat out in order to get to the drain of the gas tank. I ran it about 30miles after I put the gas in it. But remember I already had Half a tank of 92octane unleaded. Should I try to drain it now that I'm home and have more tools to mess with it, or would it be a waste of time since I drove it a lot? Also does anyone know if infiniti will still warranty the car if the cats are fried?
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#6
08-24-2008, 03:06 PM
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Quote:
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#7
08-24-2008, 05:35 PM
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I did that once with my first car when I was 16... I siphoned as much out as I could, filled with unleaded and never had issues...
That was a 72 mustang (no I wasn’t 16 in 72)... siphoning wasn’t a problem... I wasn’t aware that the G could not be siphoned.
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#8
08-24-2008, 05:46 PM
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Tetraethyl lead just contaminates the platnium in cats. Half a tank won't do much and the contamination will burn off eventually. Now repeated use will permanently destroy the cats after a few tanksful.
Since mid 90's the thickness of the EXPENSIVE materials has gotten thinner and thinner so don't compare old cats to new as far a robustness is concerned...........todays cats may only have a few grams of platnium dusted on the honeycomb core.
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http://www.t3auto.com/
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#9
08-26-2008, 12:13 AM
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ull be fine, I ran 110 leaded in my car regularly with my vortech. half a tank wont hurt you
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#10
08-26-2008, 12:16 AM
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yea won't hurt if you did it once (won't hurt motor at all).
May want to change plugs depending on what plugs you are running, they will just get a coating. And yes if you ran it a bunch you can ruin your cats, and 02 sensors..... Just think, you get that nice race-gas smell for 100 miles or soo. Tom
__________________
04 6MT coupe..Sound Performance TT/Built stock block/Big Fuel/ProEFI 48
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