I personally know several "53" blocks that eat the "55's" for breakfast! 

Originally posted by dresslered
I personally know several "53" blocks that eat the "55's" for breakfast!![]()
I now have a cracked block @ 170,000 miles. :-(
I have a 99 2500 Cummins with a six speed and I looked under it today and all I seen was a 4 B and nothing else. Is this good? I looked at the picks of where the 53 would be and mine has nothing.