Compression
10-28-2006, 03:11 PM
#11
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Join Date: Jan 2002
Location: New Jersey
Posts: 3,928
Originally Posted by jefraney' post='820977' date='May 24 2006, 10:39 PM
No. Holding the release valve will just let the compression whoosh out instead of holding the compression so you can read it. You have to remove the valve so that all the compression can be read.
wouldnt removing the valve result in the same thing.. releasing pressure due to an open port from the missing valve..
pluggin it up after removal is assumed here ...
ive always left the valve on.. just held it to check for even pulses disregarding the value..
and only use the value generated with the schrader valve to determine actual compression number..
10-28-2006, 05:58 PM
#12
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Join Date: May 2002
Location: California
Posts: 22,465
Originally Posted by Nospig' post='821641' date='May 29 2006, 01:55 PM
A leak down tester will give a more accurate condition of engine.
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