Quote:
Originally Posted by PENER
HP and Torque relates to the engine performance, what happens later down the drive train is a totaly different story.
those "little" 0.1-0.15 differences in final ratio do make a difference, maybe not day and night, but still. if the car is a non tow (sport) then it makes a sense to put 4.10 instead of 4.3
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A little different way of saying it ........ they use the 4.30 to get the sweet spot in the torque curve so that you can use the torque of the engine while towing. Most states limit towing speed to 55mph so the lower 4.30 gear set gets the sweet spot into a more usuable MPH range for a tow vehicle.
The trucks with the 4.10 gear set don't have the tow package etc and no need to cater to the towing speed limit.
