Re: [Chrysler300] low compression.. all cylinders?

["Helen and Loren" <lorenhelen@xxxx>]

The even pressure on each cylinder indicates stuck rings. Try putting some 30 wt. oil in the cylinders and do the compression check again. It may increase compression. If it will start, I don't think it would hurt to start the engine. Heating up will help loosen the rings. If you get it running, adding some solvent like valve lifter cleaner to the crankcase may also help loosen the rings. Its a long shot but it could run OK. 
If the compression won't come up to at least 60 psi or more, it probably will not start. In that case, you could add penetrating oil or the above solvent to the cylinders and let it soak for a few days. Then add heavy oil to the cylinders and try again. Bye the way don't try to start it in the garage and stay up wind when it starts, because it will smoke like an old tire burning until the rings start to free up. Good Luck.
----- Original Message ----- 
From: mwl1967@xxxx 
To: Chrysler300@xxxxxxxxxxxxxxx 
Sent: Sunday, February 16, 2003 10:50 AM
Subject: [Chrysler300] low compression.. all cylinders?


Hi all,
picked up what looks like is going to be a parts car for my K. 
The engine hasnt run in what could be decades. The carb was frozen, the spark 
plugs were missing but the engine wasnt locked up so I thought about trying 
to start it.

Compression check shows about 30-40 psi in each cylinder. Is 
this abnormality a result of just sitting stagnant for so long? Should I 
waste time with plugs, wires, carb etc and trying to start it or is it just a 
boat anchor? 

Thanks
Mike 


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