TwinTurbo.NET: Nissan 300ZX forum - Compression test result, need advice...
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Subject Compression test result, need advice...
     
Posted by Adamo on August 29, 2011 at 5:42 PM
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Message I did a compression test on a TTZ that had not been running for a very long time, got two cylinders with very low compression, one was 60 other 90. I put in some oil in the cylinders and the compression went up to about 90 and 110 respectively.

Then i started the car for the first time in a long time and let it idle for about 15min. I turned it off, took out plugs they had a bit of oil on them, did compression test and they both were at about 155ish. Does this mean seals are finished and oil is going in cylinders and this is why the compression seems normal now?
Is it possible it just needed to idle to get some heat? That doesnt seem right, but im a newb, any info help would be great.

     
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