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Guest Message by DevFuse
 

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Did a compression test on Ej25


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#1 1-3-2-4

1-3-2-4

    Subaru Mike!

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  • Greenwich

Posted 05 April 2013 - 08:38 PM

With 251K miles

 

1- 180 PSI

2- 170 PSI

3- 180 PSI

4- 145 PSI

 

4 must be low because my shims got mixed up after I had my heads redone.. I'm glad he called to let me know he forgot to give me the shims before I took the 40 mile drive back home, I guess that's why the idle is a tad lumpy but not so bad that your teeth rattle out.

 



#2 nipper

nipper

    Semi Elite Master of the

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  • Long Island NY

Posted 05 April 2013 - 10:28 PM

That will do it, also could cause a valve to burn






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