DISCLAIMER: THIS IS FOR OFFROAD RACING ONLY AND NOT STREET USE. YOU MUST HAVE RATED TIRES FOR THE SPEEDS YOU WISH TO ACHIEVE. THE GOVERNOR IS USED TO PROTECT YOU FROM THE POSSIBLE FAILURE OF A TIRE EXCEEDING THE SPEED RATING OF THE TIRE PUT ON BY THE MANUFACTURER.
This is a little thread im going to start thats an ongoing discussion about gearing and power.
GOAL: bone stock V6, 100+ MPH capable with 35s and maintain good torque thru-out RPM band.
Dis-advantages: added weight of roll cage and other racing items. means a 6,000 lb race ready vehicle (including passengers, fuel, 2 spares, tools etc etc.) also 260HP is not alot of power to move such a heavy vehicle.
The current set up I have I am running a stock V6 putting out the 260-ish horsepower. I have a 6 speed with a final gear of .85. I am running 35s and my gearing it 5.83. The governor kicks on at around 4000 RPM for me with my gearing set up so my max speed per this website \/\/\/\/\/\/\/\/
is 84 MPH.
Removing the governor and being able to get 5000 RPM would yield 105 MPH. Achieving my goal, but being real close to redline 5500 RPM. A $150
unit is available at URD \/\/\/\/\/\/\/\/
If I were to re-gear to 5.29s I would be able to achieve 105 MPH at 4500 RPM. which would be better for staying off of redline, and I would actually be able to achieve a higher top speed. but 100 MPH sustained with torque is the goal.
My worry is that 5.29 will not provide enough torque with the stock V6 to provide higher speeds sustained in the dirt.
5.43 would achieve 101MPH @ 4500 RPM
Whats everyones take?
Before asking why i went so high the gears are borrowed and I do not own them. So i need to purchase a gear set for myself. I was provided 5.83s to see how they would work. The torque is awesome and actually perfect for speeds under 85MPH but the truck is capable of higher speeds in the dirt. And re-gearing to a higher ratio (lower number) would decrease torque.
I think the website i provided might help others choose a gear set as well.