3.21 Vs 3.92 Gear Ratio

For me the 392 is more fun to drive but you do pay for it a teeny bit at the pump. The 321 would have 20 wheels and the 392 would have 22.

2019 Ram 1500 Specs Towing Capacity Payload Capacity Colors Cars Com

Since you will be towing 6000lbs on occasion I think I would look for a 355 gear set.

3.21 vs 3.92 gear ratio. 321 and 392 Rear Gear Ratio Now Available. Towing 4K half the time on busy highways. First the 321 is all anyone seems to have here and salespeople wear my patience thin.

The 392 was a bit more responsive but the difference was not enough for me to justify the increased fuel costs. Jump to Latest Follow 1 - 10 of 10 Posts. If one puts together that low first gear one finds that the overall ratio including both transmission and axle ends up at 12301 with the six-speed automatic and a 410 axle.

I have no immediate plans to do any towing. By contrast the eight-speed is much lower even with the 321 ratio at 1512. The major difference is in gears 1-3 and after that the 321 is one gear lower to match the overall pulling torque.

321 or 392 for Hemi. Joined Dec 8 2019 6 Posts. Most commonly the choices is 321 or 392.

A truck with a higher axle ratio can produce more torque and acceleration at lower speeds which is very important when towing. Discussion Starter 1 12 mo ago. But at that point you drop the 8 speed to 6th and are better.

That 2019 Ram 1500 is really a nice truck. With the 3921 axle the six-speed automatic can only muster a multiplication of 1176. Do you have an option for a gear ratio in the middle.

321 vs 392 questions for my particular use Tldr. The 321 was a bighorn 2wd while the 392 was a 4x4 with off-road tires built-to-serve edition. So a truck with optional 373 gears will tow a heavier trailer than one with 355 or 321.

For my application does the gear ratio even matter. But even then the 321 wont leave you stranded. From what I have read the 321 has better fuel mileage.

It appears from the numbers you posted an 8 speed with a 321 has better torque multiplication than a 6 speed with a 355 or even 373 all the way up to 6th gear to gear. It isnt until 7th gear that the 321 would be worse then a 373 in 5th gear. The engine will either be the 57L V8 or the 30L Ecodiesel.

I drove trucks with both gear ratios. If you do the math you will see the 321 tows in 7th gear with towhaul and the overall ratiorpms are nearly identical to the 392 in 8th gear. Sure you get a higher tow rating with the 392 but if you are pushing the towing limit you are probably over the payload.

On the Ram 1500 lineup there are three available axle ratios 321 355 and 392. My 321 is delivering very good fuel economy so far. Likewise for 321 gears 5-6 and 392 gears 6-7.

Turbo RAM - click link to see more httpsyoutubey766hAOzZQEUpdate see my 6 speed at the track vs 8 speed with time slips here httpsyoutubeqJdmi8eg. But that gear ratio would most commonly be referred to as 355 or simply three fifty-five. I noticed this yesterday and its still configurable today.

I am in the market for a new Ram 1500 and I have to make on the gear ratio. Max tow rating for the 321 rear axle is 8150 and for the 392 is 11250. The base axle ratio on 42 gas trucks is 321 44 gas trucks is 355 and the biggest axle ratio on 44 or 42 gas trucks is 392.

Was wondering if the 321 is enough to tow an Elite II. Seems 392 is too much and 321 is to little IMHO.

Ram 1500 4x4 3 21 Vs 3 92 Rear Axle Ratio Towing An Oliver Oliver Owner Forums