TwinTurbo.NET: Nissan 300ZX forum - Were all test conditions (other than a very warmed
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Subject Were all test conditions (other than a very warmed
     
Posted by jzack on June 20, 2011 at 10:32 PM
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In Reply To Is this typical? Slightly concerned..... posted by white22sky on June 20, 2011 at 08:22 PM
     
Message engine) the same both times (ie., throttle plates full opened, all plugs removed, etc)?

Generally - the readings between a warmed and cold engine are in the 10 or so PSI range. Not sure why yours varied as much as they did? Did you try adding a small amount (teaspoon) of oil to a cylinder to see if the compression reading increased?

     
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