Originally Posted by dvw
Originally Posted by LSP
Originally Posted by dvw
Who has the ability to burnish piston pin bores to the .000X"?
I'll bet next to nobody.
Doug


Mahle and Pankl do it every day on round and tapered pin bores

What is the upside?
Maybe on extreme power stuff ?


Creates a compacted and more durable surface, can handle more loading in applications with minimal pin/pin bore surface contact area.