RiverRat2
Serio Tree Freak
I agree it definitely ingested a hard foreign particle or as others have stated piston locating pin/rod bearing come a-loose, tending to believe the latter....
Yup!!! Saw it also on some 385's and early 390's 40:1/32:1 is the ticket!!!!
Quite a few 372`s have shown up with broken big end bearings, they need more oil in the mix to keep them happy.
Yup!!! Saw it also on some 385's and early 390's 40:1/32:1 is the ticket!!!!