Quote:
Originally Posted by Gregte
Well then why don't we ecomodders raise, or lower, our final drive gear ratios by changing differential gears?
Trucks have more gears because diesels have a much more limited RPM range. And once you are up to hiway speed the only gearing that matters is your final drive gear. More gears has nothing to do with hiway driving for a car unless your terrain is so hilly that you would actually be downshifting on the hiway.
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If I had RWD, I would, but I don't know enough about FWD transmissions to comfortably replace the gear.