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LS2 427 with bad rings...

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Old 11-05-2008, 11:31 AM
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Leakdown test won't tell you anything about the oiling problem but if your smoke was from too much fuel you should be covered.
Old 11-05-2008, 01:30 PM
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Originally Posted by racer7088
Leakdown test won't tell you anything about the oiling problem but if your smoke was from too much fuel you should be covered.
I hade oil around the threads of the spark plugs. Said it could be bad valve stem seals or guide seals. So that is my next step.
Old 11-05-2008, 01:35 PM
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Originally Posted by SpinsB
I hade oil around the threads of the spark plugs. Said it could be bad valve stem seals or guide seals. So that is my next step.
Bad valve seals can smoke alot too, usually when you nail the throttle from a roll, say 45mph. It will make a cloud then slowly go away as you keep accelerating.

So, how rich did they say your tune was?
Old 11-05-2008, 02:36 PM
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yep I would check the seals as well.
Old 11-05-2008, 08:27 PM
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Originally Posted by LS6427
Bad valve seals can smoke alot too, usually when you nail the throttle from a roll, say 45mph. It will make a cloud then slowly go away as you keep accelerating.

So, how rich did they say your tune was?
they never really told me how rich it was but they did back to fuel off set the idle a little lower. Deleted my egr so when i take it off it wont throw coeds. They worked with it for a while, it had a hard time getting back to idle when i came to a stop and they got that worked out as well. Over all love what they did.
Old 11-06-2008, 12:27 AM
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Originally Posted by SpinsB
they never really told me how rich it was but they did back to fuel off set the idle a little lower. Deleted my egr so when i take it off it wont throw coeds. They worked with it for a while, it had a hard time getting back to idle when i came to a stop and they got that worked out as well. Over all love what they did.
Does it smoke at all when you nail the throttle?

Either way, damn nice to hear you didn't have to go through a rebuild like I did when my rings were washed out.
Old 11-07-2008, 04:40 AM
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Originally Posted by SpinsB
Spent yesterday at EPP(ExoticPerformancePlus). Took the WS6 there and had them do a leak down test. All the numbers came back great, rings are fine. they put new plugs in and gave me a little tuning. Car runs great and has better maners than it did before. A big THANKS to the guys at EPP for all that they did. Great guys over at EPP. Level headed and willing to help and get you what you want. I will be returning for any other work I need done.
Thanks Bret, we appreciate it! Bob



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