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Bob Kisko asks if there is danger in building up sludge in the crankcase if
a bypass filter is used and the oil is not changed for long periods of time.
To keep this short, sludge is caused by contaminates in the oil. If oil
change intervals are extended for any reason, formal oil analysis is
necessary. That analysis will tell you when to change the oil because it
will determine all of the contaminates, including those that can cause
sludge.
CaptnWil
40 Pier Pointe
New Bern NC 29562
(252) 636-3601
