TwinTurbo.NET: Nissan 300ZX forum - Probably pistons has some high blow by
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Subject Probably pistons has some high blow by
     
Posted by timz on October 08, 2014 at 12:34 PM
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In Reply To Boost leak at dip stick. Any suggestions. posted by LivinTheDream on October 08, 2014 at 08:40 AM
     
Message All pistons will have a little blow by. If boost leak thru the dipstick is a lot, I suggest you do a leak down test to see if the engine is healthy. You can cap off the dispstick but if the bow by (which increase crankcase pressure) is high, the extra pressure will just find another way to vent out (i.e crank seal/ rear main seal)

     
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