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Re:Burning Oil (1 viewing) (1) Guest
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TOPIC: Re:Burning Oil
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DocShadow (Admin)
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Gender: Male DocShadow's RoadStar Site Location: Ottawa, Ontario
Re:Burning Oil 4 Months, 2 Weeks ago  
Dave03MS wrote:
well i agree...
sounds like rings are not seated..
per the dealer, the leak down test indicated that the rings are holding..
i don't exactly understand the leak down test... that's why i did the compression test.. adding a few squirts of oil to the cylinder and retesting, didn't improve or change the compression.

the dealer did add some ring free additive to the gas... didn't seem to help ... maybe i'll dig around and see if i can find some kind of additive that will help seal the rings ...


Based on the info above I doubt that your rings are not seated.

Compression test is done first to determine is there is a problem ..... low readings, imbalanced readings. If you added some oil between readings and the reading when up then I'd agree, your rings are bad but you said the readings did not improve.

Leak down test is a refined compression test. You should get less than 10% leakage, 5% if the engine is in good form.

I assume you checked the engine over and there is no other source of leakage? .... drain pug for example.

BTW ... stock compression is around 170 psi.

Doc
 
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Burning Oil
ultrastar 2008/07/19 17:43
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Flashback 2008/07/19 17:49
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ultrastar 2008/07/20 12:10
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Moondog 2008/07/19 18:18
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Curt 2008/07/19 18:45
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Dave03MS 2008/07/19 19:49
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ultrastar 2008/07/20 12:14
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Dave03MS 2008/07/20 14:05
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ultrastar 2008/07/20 14:25
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n5ifi 2008/07/20 19:25
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ultrastar 2008/07/20 21:03
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Flashback 2008/07/19 20:37
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Dave03MS 2008/07/19 22:48
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Curt 2008/07/19 23:05
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Dave03MS 2008/07/20 07:13
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DocShadow 2008/07/20 08:09
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Dave03MS 2008/07/20 14:03
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shacky 2008/07/20 08:18
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StarCruiser06 2008/07/20 09:27
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Blackroadie 2008/07/21 03:47
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ultrastar 2008/07/21 11:44
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cartersta 2008/07/21 14:33
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