Old 05-09-2010, 03:52 AM
  #4  
kwkracing
Senior Member
RACING JUNKIE
 
Join Date: Dec 2004
Location: austin texas
Posts: 729
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Metal sloshing in the oil pan gets on the pistons and cylinder walls and scratches them.

Inproperly filed rings also can scar up cylinders.

Inproper cyllinder clearance.

No lube on cylinders on assembly

???
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