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Author Topic: Blowing out oil  (Read 1754 times)

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Offline Dragman836

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Blowing out oil
« on: August 25, 2005, 05:48:15 PM »
OK!  what did I do? I put a new piston and rings in a 78-f and I got oil blowing out if the exaust port. Did I put the rings in up side down?, cause I made sure they were 130 degrees of each other
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Offline Lumbee

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Re: Blowing out oil
« Reply #1 on: August 26, 2005, 07:01:55 AM »
...hey Dennis, how do you know oil is blowing out the exaust...is it coming out of the tail pipe?
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Offline Dragman836

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Re: Blowing out oil
« Reply #2 on: August 26, 2005, 11:09:31 AM »
No right now Im waiting for my e-bay exaust to get here , none on it right now
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Offline Lumbee

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Re: Blowing out oil
« Reply #3 on: August 26, 2005, 11:45:19 AM »
...so it comes out when u kick it over...or are u starting it up?
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Offline Dragman836

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Re: Blowing out oil
« Reply #4 on: August 26, 2005, 07:33:47 PM »
Quote from: RaDigga on August 26, 2005, 11:45:19 AM
...so it comes out when u kick it over...or are u starting it up?
starting it up and it doesnt want to idle down pass 2 grand
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Offline Sam Green Racing

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Re: Blowing out oil
« Reply #5 on: August 26, 2005, 07:45:18 PM »
Dennis,

Is it burning oil (smoke) or is it coming out the port as oil?

If it's coming out as oil you may have forgot to replace the seal on the valve stem and it's alowing oil to come through the guide.

Just a thought.

Sam.

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Offline Dragman836

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Re: Blowing out oil
« Reply #6 on: August 26, 2005, 07:50:33 PM »
I got thinking and I'm thinking one of the o-ring seals in #3 cyl. is allowing oil in the cyl. bore. I thought maybe it was the piston and ring that I replaced ,but that was #4 and it is fine
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Offline Dragman836

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Re: Blowing out oil
« Reply #7 on: August 26, 2005, 07:54:22 PM »
Quote from: samcr750 on August 26, 2005, 07:45:18 PM
Dennis,

Is it burning oil (smoke) or is it coming out the port as oil?

If it's coming out as oil you may have forgot to replace the seal on the valve stem and it's alowing oil to come through the guide.

Just a thought.

Sam.
Its comming out as an oil sprayand as smokeat high rpm

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Offline Sam Green Racing

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Re: Blowing out oil
« Reply #8 on: August 26, 2005, 08:01:03 PM »
Dennis, if you did'nt have the seals off the valves, you are probably right in thinking O ring problem.

Is this problem on your drag bike?
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