Posted by Don in Portland [24.22.121.187] on Sunday, June 27, 2010 at 01:34:57 :
In Reply to: Re: oil sludge removal? posted by Rick C [70.164.31.66] on Saturday, June 26, 2010 at 12:43:16 :
I cleaned out the oil filter from an engine that had hardly ever been serviced. I think that silvery stuff is lead from the old leaded gas.