Re: smoking h

Posted by Janicholson on February 17, 2006 at 06:23:24 from (199.17.6.175):

In Reply to: smoking h posted by donald schnupper on February 16, 2006 at 16:17:35:

Warmed up oil (single wt or multi vis) gets thinner when hot. Oil in an engine that is working can get to 325deg. or more. If it were mine, I would do two things.
I would pull the plugs and squirt one squirt of Autotrans fluid in each cyl from a trigger type oil can. Screw the plugs back in, then crank it without starting it 4/5 revolutions, and then let it sit for 2-4 days letting the ATF soak the rings.

It will smoke when started, but if the rings needed freeing up it should help.

I would also run 15W40 oil in it. The heavier body of this oil keeps it a bit thicker.

Smoke on idling down from road speed is valve guides, smoke from pulling hard is more likely rings, or a combination.

No liquid medicine will put metal back where it was when new. Don't expect additives to rebuild the engine. If it is too smoky, a rebuild is the answer.
JimN

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