Nick,
There are a variety of internal engine cleaners on the auto parts stores
shelves. Some ideas:
1. Rislone. Put in a quart in a warm engine and let idle for 10 minutes.
Drain oil and refill.
2. ATF. Some people claim a quart of ATF cleans. Same process as Rislone.
3. Pennzoil motor oil. This stuff has so much paraffin wax in it that breaks
down into sludge, they put a ton of cleaners in to keep the sludge in
suspension until drained. Don't run it over 1000 miles or the cleaners get
used up. If it gets black sooner, change it.
If a passage is totally plugged, no amount of cleaners will help if they
can't pass through.
Fresh sludge can be soft and sticky. Old sludge can be hard and carbonized.
I suspect the cleaners work well on fresh sludge but not the hard stuff,
which may take much longer to break down, if at all.
Once sludge starts to come loose, it may come loose in large chunks. This
could be a problem if a chunk blocks a passage or a lot of chunks block the
oil pump pick up screen. It would be wise to pull the oil pan and clean it
out.
Dave Homstad
56 Dodge D500
-----Original Message-----
From: Forward Look Mopar Discussion List
[mailto:L-FORWARDLOOK@xxxxxxxxxxxxx]On Behalf Of Nichols
Sent: Saturday, August 20, 2005 9:19 PM
To: L-FORWARDLOOK@xxxxxxxxxxxxx
Subject: [FWDLK] '58 Plymouth oil draining problem
My '58 Plymouth has a 318 V8. The car sat for ten years and I
recently got it up and running. It runs very well but blue smoke was
coming out of the tailpipe. I popped off the valve covers and found a
ton of sludge and grease. The oil holes especially at the back of the
engine were plugged up and oil was collecting at the exhaust valves and
being burned out the tailpipe, hence the smoke. I cleaned out both
sides, adjusted the valves, shoved coat hangers down all four oil
holes, changed the oil and low and behold the blue smoke was gone!! My
only problem is that when I am climbing up a steep hill the car begins
to smoke again. When I'm back on level ground, the smoke goes away.
I can floor it on a straightaway and there is no smoke. I suspect
that the rear oil holes are still plugged somewhat and when the car is
on a hill the oil works it way down the exhaust valves. My question
is this: Is there any wonder solvent that could free up those holes
more? I am trying to avoid taking the heads off, or I guess I could
avoid hills. I live in San Francisco so that would be a problem
trying to avoid hills. thanks much, Nick Nichols
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