A shop that rebuilt a serve MC for me--I believe they used a stainless
sleeve--left a very fine hone pattern on the sleeve bore. Their argument/logic
was basically the same as for leaving a hone on engine cylinders: with a
perfectly smooth cylinder wall the seal scrapes all fluid off the wall, leaving
none for lubrication; whereas a fine-honed surface allows a bit of fluid to
lubricate the edge of the seal.
Makes sense to me, but some things that make sense to me may not not be
correct.
Bob
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Bob Spidell - San Jose, CA
----- Original Message -----
Michael,
Kees is correct that it must be perfectly smooth and a cylinder that old
probably isn't.
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