Posted by Willy-N [72.171.192.122] on Friday, March 06, 2015 at 23:41:23 :
In Reply to: Knurling posted by Sherman in Idaho [72.47.153.61] on Friday, March 06, 2015 at 23:32:01 :
Same here I thought knurling was done later to snug things up some. Normally I also do not see it on pistons. I wonder if it is like sipping tires for winter?