i have a knoking noise comimg from my engine stripped the sump off after a compression test on the cylinders, no 2 was low and when the sump came off found the big end bearing has worn away, resulting in a nasty mess to my con rod and my crank case, i have a new engine on order. to much ware to salvage it, and would cost the same to put new parts in as it wou;d to buy a refurb short block