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Old 02-22-2021, 03:11 PM   #6
2manyturbos
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Join Date: Mar 2003
Location: Monroe, OR USA
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Quote:
Originally Posted by JohnMc View Post
Could be possible if there was some liquid hanging out in that cylinder, partially filling the chamber.
Or, just perfectly sealing the rings. I have seen compression numbers that high with a little oil in the cylinder to seal the ring. The compression usually drops to 180-185 pretty quickly.
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