The true answer to what the difference is between 321 and 392 is obviously 071. Was wondering if the 321 is enough to tow an elite ii.
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Difference between 3 21 and 3 92 axle ratio. The 321 would have 20 wheels and the 392 would have 22. From what i have read the 321 has better fuel mileage. There was a good difference noted from a 355 to 392 with a 6 speed tranny it seemed the 355 would hunt for the lower gear more when towing over the 392 which would hunt way less. This affects engine rpm throughout the operating range for. Four wheel drive models offer three final drive ratios. See how easy that was no need for 3 pages and back and forth.
321 and 355 and 392 which are available on both the 2wd and 4wd models. For example ford says the 2018 f 350 super duty 4x2 regular cab pickup equipped with the 62 liter gasoline engine can tow up to 16700 pounds when fitted with a 430 axle ratio but just 13200. No need to thank me it was all in a days work. Max tow rating for the 321 rear axle is 8150 and for the 392 is 11250. There is very minimal difference in towing and torque between the 321 and 392 with an 8 speed tranny. But its not over yet we are at 4 pages and counting.
No need to thank me it was all in a days work. The true answer to what the difference is between 321 and 392 is obviously 071. See how easy that was no need for 3 pages and back and forth.
Gallery of Difference Between 3 21 And 3 92 Axle Ratio
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