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Henry Schmidt Henry Schmidt is offline
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Join Date: Apr 2004
Location: Fallbrook, Ca. 92028
Posts: 5,942
If the pistons are still in spec, you can use the scratches to hold dry film lubricant.
The rougher the surface the better it (dfl) holds.
Dry film will not bring back missing material but if they're in spec. I'd use them.

It is hard to diagnose anything from 5000 miles away so check for cracks and measure, measure, measure.

All Mahle piston have a size group designation so if they show a little ware you could put the piston in a cylinder that is one size group smaller.

I.E.: put a #2 piston in a # 1 cylinder.

Of course new is better and more money.
Henry Schmidt
Ph: 760-728-3062
Old 11-06-2005, 01:29 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #11 (permalink)