Potato up the 'ol gas pipe of the school bus Jerry? Mice making a home in the exhaust during down time in the shop. Not saying your shop has mice and all.

I vote for the timing chain if the engine has been apart since it was last driven.


Dave.

What's the last thing a red neck says, "Hey guys watch this."
What's the last thing a redneck hears, "Go ahead Bubba, you can do it."

Build plan: 65 Chevy one ton, 5.9L Cummins HO, NV5600 six speed, 2wd 1972-1987 IFS disk front, frame off restore/mod, custom dump/flat bed, Alcoa rims, Dana 70 3.73:1 duals drum rear, plush interior, Guards red with Marine Corps decals. Donor is retired 2002 Ram 2500, 194K miles.