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Old 12-11-2002, 12:04 AM
can-do can-do is offline
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Join Date: Jan 2001
Location: Tucson, Arizona
Posts: 758
Does Synthetic Oil Remove Varnish From Engine?

Greetings All,

I am quite curious to find out if switching from Dino to Synthetic oil in my wifes '86 300E will remove the built-up Varnish I can see when pulling the oil fill cap and looking down into the valve train area. Anyone that has done the switch with what I call a dirty top end please give your feed back on this. If it will clean up the varnished looking internals of this engine I'd like to know so I can do the switch and clean up the inards of this high mileage Benz.


"Tell me and I will listen, Teach me and I will learn, Show me and I will accomplish, Involve me and I will succeed."
'84 300SD 256,000 Gold on Brown (Mileage Award)
'86 300E 246,000 Blue on Tan
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