Once had an 55 truck that had a lot of sludge in it,, I decided id try to
rinse some of the gunk out of it,,, some old mechanic told me to put one quart
of oil to 4 quarts of diesel and let the engine Idle for 1/2 an hour, Drain and
refill with fresh oil, well I did that and I got all kinda gunk loose from
inside that drained out.. I installed a new filter, refilled the oil,,,, the
next day I was driving to work normally and the engine spun a bearing,,, Guess
what??? the oil strainer was clogged,, the oil gauges was reading good, and
continued to read good for 5 miutes after I shut it down, the oil passages were
stuffed with thick gooey gunk,, Now when ever I feel I need to clean up a
really badly gunked up motor I remove the intake or side covers, and the oil
pan after I run a rinse in it, scrape out all the bad junk with a wire brush
and mineral spirts,,, With todays high detergent oils motors usually dont get
that bad unless they have been severly neglected ,, but every once in a while I
find a nasty one,,
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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