TwinTurbo.NET: Nissan 300ZX forum - compression test results
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Subject compression test results
     
Posted by pearlyellowtt on June 02, 2008 at 5:49 PM
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Message as before, i have an issue with smoking after i boost. That is when i let off the gas and come to a stop(bad) and when at idle(little). It is blueish smoke so i am assuming it is oil as well is there is a black residue on my back bumper from the exhaust. Anyways, i was told to do a compression test and here are the results as if you were standing in front of the car


3) 163 6) 148
2) 168 5) 160
1) 165 4) 160

per the write up in faq, this seems normal with the exception of cylinder 6 being a bit low. Could this be an issue or causing my issue? also, the threads of the spark plug were a bit oily, not on the tip but only on the threads of 1,2,4,5. maybe valve cover gasket leaking!?

     
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