i have got my 49 3600 (all Stock/original) to do 60 mph, i pegged it one time going down a grandually slopped hill and got 71 mph, but that was screaming, i generally drive 55-60 down the highway
1949 Chevy 3600 Flatbed all orginal 1964 gmc 4000 1973 gmc 6000 2005 chevy duramax 4x4 1994 chevy 1500 Trucks are GM and Tractors are Orange
"I don't measure a man's success by how high he climbs but how high he bounces when he hits bottom." - General George S. Patton
