125744 miles

Ok, had a miss at idle. #1

Compression test. #1 80; #2 400, #3 380, #4 375, #5 375, #6 380.

Leakdown test on #1 shows lekaing past rings.

Pull #1 , both comp rings broken.

AND, all other cyl but #2 have broken top rings.

My Cummins bu... Login to read more.