dieselman359,
do you have a tach? if so, about how many rpms are you running at close to 80? also what transmission do you have/rear end gears? my truck @ 65mph is at bout 1800-1900rpms. i have the getrag with 3. 56 rear. i also have 35 inch tires.
do you have a tach? if so, about how many rpms are you running at close to 80? also what transmission do you have/rear end gears? my truck @ 65mph is at bout 1800-1900rpms. i have the getrag with 3. 56 rear. i also have 35 inch tires.