[W126 Coupe] What do you think?

[Day . Ralph]

Sounds like an oil ring is worn on the one cylinder.  What is "quite a bit?"

Ralph D. Day
Senior Program Manager/ASQ LSS Certified Black Belt
MDA Master Black Belt
Dynamics Research Corporation
(301) 275-9030 (cell)


-----Original Message-----
From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com] On Behalf Of Kirby's
Sent: Tuesday, July 14, 2009 10:20 AM
To: mbcoupes at mbcoupes.com
Subject: [W126 Coupe] What do you think?

1989 560 SEC, 140K miles
just started using quite a bit of oil. No leaks on the ground.
Spark plugs look OK
Seven cylinders measure 155 for compression
Second cylinder back on the drivers side measures 95
What do you think is wrong?
How do I determine for sure?
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