I'm running 4.10 gears and at 60 MPH i'm reading at 2200 RPM. So do you think running at 70-75MPH for a long distance (seattle from portland) would hurt? I'm not sure what RPM's i'm at at those speeds? I only know the RPM's at 60 MPH cause thats what i always drive. Me i'm kinda learry? peace
john
john


