Posted 5/28/2023 20:36 (#10247383 - in reply to #10247070) Subject: RE: Case ih stx 450
Boone, Iowa
The original wrist pins were similar to the new wrist pins. They were set up to be lubricated only by the cooling nozzles. The new design pistons and wrist pins are lubricated with the original cooling nozzles, plus pressure fed thru the connecting rods.