[WardL]

Dan, you would have to have a 2.64 rear end ratio to cruise at 2,000 RPM and 72 MPH! I have a very similar set up and at 2,000 RPM I'm at 55 MPH. I have 17" wheels, 3.46 rear end, 0.82 OD. Maybe the wheels are a lot different? I have 17 x 335-35R on the rear.