What Is The Best Gear Ratio For Jeep Wrangler?

by | Last updated on January 24, 2024

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In many cases, 5.13 is recommended above for 35s, when 5.38 would actually be a better choice.

What is the stock gear ratio in Jeep Wrangler?

Wrangler is available with 3.21, 3.73 or 4.10 ratios depending on model.

What is the best gear ratio for a Jeep?

3.73 tends to be the sweet spot between MPG and off road performance. But that totally depends on what size tires you put on. If you go real big you need to get 4.10 or greater. If I were just mall crawling I’d go with 3.21.

What gear ratio should I use for 33 inch tires?

3.31 7.17 32′′ 2259 4894 33′′ 2191 4745 34′′ 2126 4606 35′′ 2065 4474

Should I Regear with 35s?

Yes, going to 35s you should definitely regear . And yes, the 4.10 to 4.86 is the proper range for 35s. You trade off will be fuel economy vs towing power.

How do I know what gear ratio I need?

To find the gear ratio, divide the big number by the little number . In the example to the left, 37 ÷ 12 = 3.083333. These are 3.08 gears.

What gears are needed for 35 inch Jeep tires?

In most applications, with normal driving habits, you’ll usually want to back up the 35-inch tires with 4.88 gears . However, if you live in the mountains, frequent very hilly areas, or rarely run at top speed on the highway, you might be better off with 5.13:1 or even 5.38:1 ratio axle gears.

When should I put my Jeep in 4 wheel drive?

If the pavement or ground is wet, slick or loose and you need to switch over to 4WD, simply pull the lever slowly and firmly back one click. This will successfully swap you into 4 Hi. If and when you need maximum traction and you need to move into 4 Lo, slow your vehicle down to 2-3 mph.

Is a 4.10 gear ratio good?

FACT: A 4.10 axle ratio is ideal for towing heavy loads in a mix of city and highway driving and when towing on varied or steep grades. A 4.10 axle ratio will provide improved acceleration in stop and go city traffic.

Do I need to Regear my Jeep with 33s?

You don’t need to regear with just 33’s . Most likely, the reason behind you ‘drag’ is the width of the tires. You sure won’t be turning them over any time soon. The regearing won’t do damage or harm to the jeep, but it ‘may’ void your warranty on the axles.

Are 3.73 or 4.10 gears better?

4.10s are going to accelerate faster and decelerate faster on lift. However the trade off is greater fuel consumption per mile driven and higher engine speed per given road speed. In basic terms the 4.10s will feel quicker and 3.73 will feel faster .

What gear ratio is best for fuel economy?

For instance, a 3:31 gets better fuel economy than a 3:73. On the other hand, a 3:73 or perhaps a 4:10 will tow much more, while fuel economy greatly drops. The most popular rear end ratio in trucks today is the 3:55, which sort of averages towing power and fuel economy.

Are 4.10 gears good for 33s?

4.10 will be ideal , unless you think you may eventually get to 35′′ tires in which case I’d regear to 4.56 since the rpms aren’t THAT bad... once you get used to them at least.

How much lift do you need for 35 inch tires?

If you are going to upgrade to a 35-inch tire, you will need a lift of at least 2.5 inches . You need a 3.5 inch lift.

What happens if you don’t Regear?

As you said, you will be slower pulling from a stop and less acceleration when you step on the gas , but you will be running a lower RPM at any given speed. If your tranny is a manual, it will wear the clutch a bit faster if you are slipping it more to pull off from a stop as well.

Can you run 35s on stock JK?

You can indeed put 35s on a stock Jeep Wrangler JK and drive around town without issue . However, if you are going to hit the trail, it’s going to rub.

David Evans
Author
David Evans
David is a seasoned automotive enthusiast. He is a graduate of Mechanical Engineering and has a passion for all things related to cars and vehicles. With his extensive knowledge of cars and other vehicles, David is an authority in the industry.