RoyJ wrote:
Let's be fair to Ford and look at what Ram uses (I'm a big Mopar fan just to be clear):
3.75:1 Aisin 1st speed ratio, 4.10 axle ratio, 37,100 lbs tow rating. Works out to be 15.375 total ratio, or "2413 lbs per total gear ratio"
Ford: 4.615:1 1st gear, 3.55 axle ratio, 35,000 lbs towing. 16.383 total ratio, or 2136 lbs per gear ratio
So starting out in 1st gear, the 3.55 Ford has a 12% gearing advantage over an Aisin Ram running 4.10.
Never heard "lbs per gear ratio" unit of measure, but I'm tracking and your assumption is solid.
What you're confused about is the argument was never, is the trans (OD clutches, whatever) being overstressed. But rather higher final ratios put "more" stress on the trans, (OD clutches, driveline, whatever) and the answer is still resoundingly yes.
Oh, and I'm a Dodge guy too and they're again (sorry, still...) s ucking hind teat in the transmission department!