It could be done with the right wheel/tire size. A 265x60x17 w/4.10s should be turning right at 3500-3600 RPMs at 75 (given no trans slippage). However, simply swapping to a 700R4 would bring that down to 2500.
Dale McIntosh 67 El Camino 1967 Chevelle Facts CD in progress ACES #1709/TC Gold #92 > ----- Original Message ----- > From: [EMAIL PROTECTED] > I disagree. I was running 4.10's in my 70 for the last 5 years and at >3500 RPM's the car ran 75 MPH. I never had a problem with the 4.10's on >the highway. The car had a sweet spot between 3500 and 4000 RPMs and it >ran great. It never overheated and got 15 MPG. My 69 with a 307/PG and >2.73's gets worse gas mileage than the 500 HP big block in the 70. > > Tom
