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Run some redline in the thing and let us know if it starts cleaning for you.Quote:
I've had it for 1000 miles in a gunked up 229,000 mile jeep 4.0. You can still see solids well-caked on rockers, yet the oil is virtually clear. No cleaning happens overnight, but if it were cleaning I'd expect to see a darker tint to the oil by now.
OTOH, clear oil suggests good ring condition, minimal blow-by! AND, the maxlife blend has almost completely eliminated drips on the floor from rear crank seal.
Valve seal leaks, howev, are alive and quite active... :-(
M
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btw who cares about varnish? its just cosmetic remember?
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The varnish is not just cosmetic. It is an acidic deposit of finite thickness that is very damaging to an engine. It will ruin the gaskets and seals in an engine by not allowing oil to condition these essential parts. It will also make critical parts such as hydraulic lifters, lash adjusters, and chain tensioners malfunction. It is very difficult to get the varnish out of these parts because of the low oil flow and minimal movement across the critical surfaces.
I wonder if an ammonia engine flush would be possible?Quote:
So avoid varnishing an engine. Also, it wipes off readily onto an ammonia soaked paper towel or swab if you have the chance to do a little internal cleaning.