What Is the Best Gear Ratio for Towing

I attached a help article on picking out a truck for towing with for you to check out as well. However if quick acceleration and heavy-duty towing ability are things youre looking for the 373 is your ideal choice.


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After that assuming you are on stock tires I would say 410s will give you some more towing ability.

. These gear sets are better suited for towing and hauling heavy loads. Joined Nov 1 2005 116 Posts. Discussion Starter 1.

The PDF that the link refers to says that my RAM has a GVWR of 12300 and GCWR of 25000. An F250 with the 73L engine 355 axle is rated for towing anywhere from 13000-15000 lbs so not much reason to consider the 430 axle at all. Joined May 7 2007 5 Posts.

And the 2021 Tow Guide shows that the 430 axle provides very little increase in the ratings. Discussion Starter 1 Jul 27 2009. 1 of 2 Go to page.

Has a maximum towing capacity of 8230 pounds. The vehicles tow rating vs. You might even go to a 456 if you are towing heavy and something like and airboat with a.

We pulled the trailer over 5000 miles in 25 weeks. Here is a down-and-dirty way of picking the best gearing for a particular car from three choices. If youre talking a new diesel with a 6 speed transmission then a 355 or 373 gear truck may be fine but a gasser with an 8 speed may.

Examples of this would be 4101 and 4301 axle ratios. Going by memory the 308 gearing should put your towing capacity around 7500 lbs. Jump to Latest Follow 1 - 4 of 4 Posts.

For a person who tows more often and heavier loads the 373 or 410 may be more appropriate. My owners manual actually shows an increase in towing capacity as well with the 410s over the 373s. You wont hurt anything.

Rear Axle Gear Ratios - Best for Towing It largely depends on the truck and the load you plan to pull with it. For instance the 3421 ratio included on many Canyon V-6 and Sierra 1500 models offers a good all-around blend. A 41 ratio allows a towing vehicle to start moving without as much throttle.

What you plan on towing is the best way to. On hilly sections drive in fourth. 373 is a good stock towing gear.

Stock wheelstiresas others have noted oversize tires often require lower ratio meaning higher numerically to not feel doggy. The E4OD likes a higher numerical ratio than the 5-spd. Note that pickup tow and haul ratings are listed by axle ratio.

3071 final drive with a wide-ratio transmission a 3071 final drive with a close-ratio transmission and a 3361 final drive with a close-ratio transmission. 2000 excursion V10 2wd 230k. 342 bumps you to about 9600.

The standard axle ratio found in a GMC truck or SUV has been carefully selected according to the vehicles specific body style and engine in order to provide the best all-around mix of performance towing strength and efficiency. Ask The Experts a Question. Having a higher numerical axle ratio will ensure you have more power but it will cause a reduction in your top speed.

I had 3551 on my 2010 towed a 5500 pound boat and trailer through hills and dells without any problems but for doing a LOT of towing obviously the 3731 would be better. I just returned from a trip to Yellowstone pulling an 8600lb trailer. For towing I would prefer to have the 41 gears but I will not be towing all the time.

The higher the numerical number rear end gear the better for fifth wheel towing as that gives the engine more mechanical advantage over the weight of the trailer. Much has changed over the past 5 years or so with axle ratios. The thing to remember here is different gear sets can drastically change a vehicles performance characteristics.

Fourth gear is over a 11 ratio so its easier on the transmission. And then the max tow package with 373 gears puts you around 11000 lbs. Driving in overdrive puts additional stresses on the transmission since it has to multiply torque because of the overdrive gear ratio.

Increasing the axle ratio to 3551 pushes the towing capacity to 9930. If you plan on towing a fifth-wheel trailer or anything heavier than 5000 pounds you should consider a 41 axle ratio. For example a transmission with more gears might allow a truckmaker to offer a taller rear axle ratio a 355 instead of 373 and still.

Makes a difference too if you have a manual 5-spd or E4OD too. Edmunds guide to axle ratios cites the Ram 1500 for figures. Two common base axle ratios for trucks are 308 and 342.

This is a good ratio for the occasional towing or hauling individual. It may well provide better acceleration and hill-climbing but that doesnt mean it is needed. That might not be enough gear depending on what you are towing.

Best gear ratio for towing. How axle ratio impacts towing capacity. The standard 2021 Ram 1500 axle ratio of 321.

If you were towing 10000 frequently Id suggest 410s with stock sized tires or 456s with your 35 tires but for lesser weight and not a steady diet of towing 355s work just fine. Best gear ratio for towing. Although it does only have the 373 ratio rear gears.

My truck with two people and full tank of fuel weighed 8400. Only show this user. 1 - 20 of 24 Posts.

Although the 342 axle ratio does a good enough job many a time it just is not as heavy-duty as the 373. Jump to Latest Follow Status Not open for further replies. I bet if you got custom tunes you would feel a major difference and its a fraction of the cost of a gear set with 410s and 35s you should be pretty good a 430-456 wouldnt hurt anything but cruising speedrpm btw ditch the kn and go for a 6637 to replace it with.

The most popular rear-end ratio in trucks today is the 355 which sort of averages towing power and fuel economy. A 373 ratio is suitable for regular light towing.


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