Quote Originally Posted by allmotoronly
with a 4.10 you would run out of gear too fast with that much hp. a 3.73 would probably be the gear ratio of choice. Without going into overdrive, with a 4.10 rear end that car would probably top out around 130mph or so. It really depends on the height of the rear tires as well as the final drive ratio. Most drag cars, even if equipped with overdrive will not use it since any ratio under 1.00 causes a loss in efficiency.
With the weight of the car a 3.08 gear would work fine. My 5000 lb brick has a 3.42 gear in the back and tall tires. Turbos love load.