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-   -   80 450SL what is normal cyl compression? (http://www.peachparts.com/shopforum/tech-help/107587-80-450sl-what-normal-cyl-compression.html)

BusyBenz 11-10-2004 10:19 PM

80 450SL what is normal cyl compression?
 
I did a compression test today to see how close compression is between all 8 cylinders. The readings were: 175 - 174 - 165 - 175 - 175 - 180 - 180 - 210

The 165 and 210, giving the greatest differance, 45lbs. this is not a good thing, :eek: but I will have to live with it! It does run and perform OK!

What is the spec for compression here? With only one cylinder well above the rest at 210, I could assume that all cylinders were once as high, or higher but dont know for sure?


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