by m880cummins » Tue Nov 22, 2011 6:27 pm
I get around 22 on a mechanical gauge at coolant temp of 180 degrees. Cold it runs about 50ish. I can't quite remember off the top of my head...
1977 M880 Cummins 5 speed SOLD

1985 Crew cab Cummins P7100 NV4500 D60/D80
SUNY Maritime Class of 2017!