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Registered User
Join Date: Sep 2016
Posts: 1
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911 sc no compression in 3 cylinders
Have a project car underway ,engine with no compression in 3 cylinders on one side . What the most likely cause?
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Registered
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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Do a leakdown test to find the source of the problem.
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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Straight shooter
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Most likely? Jumped or broken timing chain on that side.
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“Of the value traps, the most widespread and pernicious is value rigidity. This is an inability to revalue what one sees because of commitment to previous values. In motorcycle maintenance, you MUST rediscover what you do as you go. Rigid values makes this impossible.” ― Robert M. Pirsig, Zen and the Art of Motorcycle Maintenance: An Inquiry Into Values |
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Registered
Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,480
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Yes, the cam setting isn't right...or its jumped time
Bruce |
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Crusty Conservative
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And/or you have 3 bent valves as a result...
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__________________
Bill 69 911 T Targa, 2.4E w/carbs (1985-2001) 70 911 S Coupe, 2nd owner (1989- 2015) 73 911 T Targa, 3.2 Motronic (2001- ) |
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