12-28-2013, 08:15 AM
Yeah, I had the often maligned Cummins 555 in my '78 Newel (the 903's little brother)l. It was a little slow on the hills but would run 75 mph all day on the flat and got 6=7 mpg. Also, it didn't leak oil, didn't smoke but a little after we turned the pump up, didn't blow up and sounded great...!
1993 Newell (316) 45' 8V92,towing an Imperial open trailer or RnR custom built enclosed trailer. FMCA#232958 '67 Airstream Overlander 27' '67GTO,'76TransAm,'52Chevy panel, 2000 Corvette "Lingenfelter"modified, '23 Grand Cherokee.