Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

gas in oil. new rings? input ?

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Old Feb 25, 2011 | 07:47 AM
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h22accordian's Avatar
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Default gas in oil. new rings? input ?

I have a 94 h22a accord. The motor is built and I have a garrett turbo. She makes 430whp on 12 psi. Ok well the car ran on 505 hp daily for a few years. Well it has an idling problem and iits getting a lot of gas in the oil making it water thin. I did a compression and leakdown and cyl one and three we're off way off I can post results if needed. Should I go ahead and rebuild the motor. Oh and the motor is sleeved and ir idles at 25-28 when cold. What should my rebuild consist of? New pistons rings. Main bearings. What else? And anything I can do right now?
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Old Feb 25, 2011 | 08:23 AM
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From: Mustard Belt
Default Re: gas in oil. new rings? input ?

i'm no expert... but in my experience an abundance of gas in the oil would be a fuel problem not a ring seal problem. worn rings would leave excess oil on the cyl. walls causing oil consumption/burning, and/or poor and inconsistent compression/leak-down numbers.

but, if you're dumping too much fuel it will wash down the cylinders past the rings causing the rings to wear prematurely (gasolines lubrication qualities are nothing compared to oil... )

hope that helps.
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Old Feb 25, 2011 | 11:16 AM
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Default Re: gas in oil. new rings? input ?

Why don't post up the results you got from the compression & leakdown test and I'll be able to tell you.
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Old Feb 25, 2011 | 05:36 PM
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Default Re: gas in oil. new rings? input ?

Originally Posted by hondamark35
i'm no expert... but in my experience an abundance of gas in the oil would be a fuel problem not a ring seal problem. worn rings would leave excess oil on the cyl. walls causing oil consumption/burning, and/or poor and inconsistent compression/leak-down numbers.

but, if you're dumping too much fuel it will wash down the cylinders past the rings causing the rings to wear prematurely (gasolines lubrication qualities are nothing compared to oil... )

hope that helps.
Poor sealing between the rings and cylinder can allow some of the fuel/air mixture to bypass during compression and drop below the piston into the oil supply.
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Old Feb 27, 2011 | 11:52 PM
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h22accordian's Avatar
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Default Re: gas in oil. new rings? input ?

Ok here's the results...
Compression test 1-170 2-195. 3-185. 4-200
Leakdown - 1-25% 2-5% 3-19% 4-0%
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Old Feb 28, 2011 | 02:17 PM
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Default Re: gas in oil. new rings? input ?

Do the results change when lubricating the cylinders with oil?
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Old Feb 28, 2011 | 10:42 PM
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Default Re: gas in oil. new rings? input ?

Yes. To what they are now
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