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[Healeys] Compression test

To: healeys@autox.team.net
Subject: [Healeys] Compression test
From: Awgertoo@aol.com
Date: Wed, 12 Dec 2007 15:13:02 EST
This question is related to an MGA engine so if you aren't interested  please 
press DELETE now.
 
I did a compression test on the MGA engine in my Elva and got the  following 
results (reading from cylinders 1-4):
 
Engine cold :  156-148-137-158
 
Engine hot:     137-140-125-145
 
W/squirt of oil: 147-150-133-160
 
It seems that cylinder #3 is low by about 10-15% across the  board.   But 
does the fact that the oil squirt raised all readings up  proportionally point 
toward a bad exhaust valve?  Would a leakdown test be  any more significant?
 
Thanks--Michael Oritt



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