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Update on Boostd... dealer thinks he needs a head cleaned/stuck open valves

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Old 03-09-2006, 07:46 AM
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WJM
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Default Update on Boostd... dealer thinks he needs a head cleaned/stuck open valves
due to deposits...

he has low compression on cyl 1 and 4...

how could this start really all of a sudden? Sludge maybe? or any other ideas?
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Old 03-09-2006, 07:52 AM
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Joey T
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Default Hmmmmm....
Never heard of such a thing. I would have them do a blowby test and see where the air is going.
 
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Old 03-09-2006, 07:52 AM
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sludge in teh lifters perhaps...
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Old 03-09-2006, 07:53 AM
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What dealer? Sorry I wassnt around last night....I would have helped out..but I didnt see till AM.
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Old 03-09-2006, 07:53 AM
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I'm skeptical...What does "stuck valve" mean exactly?
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Old 03-09-2006, 07:53 AM
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exactly.. however would it be this sudden?
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Old 03-09-2006, 07:54 AM
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Would that not tend to keep valves closed, hence higher compression?
 
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Old 03-09-2006, 07:56 AM
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Default no, if it's pumped up full, and can't compress.. though, the valve shoudl still close..
Stuck valve is either broken timing belt, or broken cams (unlikely), or broken valve spring, or broken keeper, or broken valve.
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Old 03-09-2006, 07:57 AM
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nope.
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Old 03-09-2006, 08:00 AM
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WJM
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Default He's at Riverside... my guess is the cam tensioner went on him. They are checking now
he has compression of
50 75 105 50
(if memory serves)
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