Regearing refers to the process of changing your pinion gears and ring gears to a different ratio, which changes the balance of torque and speed. Regearing your Jeep is a crucial step in adjusting the size of your tires since improper gearing can result in more stress being transferred to the axle.

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.

Does Regearing give you more power?

Registered. regearing will put power and mpg back to stock if you choose the right gears. Too high of gears will cause you to rev too high at freeway speeds.

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.

Does Regearing give you more torque?

Being the rearend gear is a torque multiplier you will definatly have more rearwheel torque on tap for acceleration and towing. The down side is you will not be in a gear as long and the motor isnt working as hard it will take even longer to get a slow spooling turbo going.

Should You Re-gear Your Jeep? - You Absolutely Should if Want to Run a Tire over 33"

Why do you need to Regear?

What Regearing Means. Regearing refers to the process of changing your pinion gears and ring gears to a different ratio, which changes the balance of torque and speed. Regearing your Jeep is a crucial step in adjusting the size of your tires since improper gearing can result in more stress being transferred to the axle ...

What does Regearing a car do?

Re-gearing can and will improve your vehicles top speed, fuel efficiency and performance. Off-roading and upgrading to larger tires changes to overall diameter of the tire, roll resistance, tire rotation and adds weight of the tires into the mix.

How much does it cost to Regear a Jeep axle?

Depending on your type of Jeep, what you want to be done, and where you get it done, it will cost anywhere from $1,200 on the low end to $3,000 on the high end. This price range typically includes parts and labor done by a professional. What does regearing a Jeep do?

Do you have to Regear with 35s on a Jeep Wrangler?

No, you don't need to re-gear with 35s. However, definitely plan on a re-gear in the future and fall in love with your Jeep all over again. She loses pep with bigger meats without the regear – especially with the heavier 35″ tires.

Do I need to Regear 35s JK?

285/70-17 is 102.8" in circumference. 315/70-17 is 108" in circumference. So we know that the 35" tire is 5% larger in circumference and to maintain stock performance, we need a gearset that is 5% lower. So to maintain stock performance with a 35" tire, a 4.30 gear is needed.

Does Regearing help with mpg?

Regearing will help correct the odometer and the perceived power loss, but not significantly for the MPG.

Can you're gear a transmission?

If you are looking for improved crawl ratio out of your Ranger or Explorer, there are options other than the differentials. Or a regeared transmission could be combined with lower axle gears to compensate for even larger tires.

How do you read a gear ratio?

How do you calculate gear ratio? You just count the number of teeth in the two gears and divide. So if one gear has 60 teeth and another has 20, the gear ratio when these two gears are connected together is 3:1.

How long does it take to Regear a Jeep?

How long does it take to Regear a Jeep? This depends on if you're doing a full install or just getting an axle and new ring & pinion. In general, you can expect a full install to take 3-5 days. However, most shops will try to get the vehicle out in 1-2 days (some try even harder but this usually isn't realistic.)

Do I need to Regear front and back?

1- yeas you have to regear both front and rear axles, if you do not you will cause major damage to your drive line, because the wheels front and rear will not be turning at the same speeds.

Can I run 35s with 3.21 gears?

35's with the 3.21 will run, it will just run very very slowly. Acceleration will be very poor and will only get worse with multiple passengers and cargo and forget decent mpg.

Do I have to Regear for 37s?

You DEFINITELY will want to regear. I have 35's with the new 3.6L and 4.10s and will likely regear to 4:56 or 4:88. I am getting my 37" mud grapplers on Monday .

How much lift do you need for 35 inch tires?

For a 35s tire, you need a lift of at least 2.5 inches for proper clearance and at most a lift of about 3.5 inches, though these depend on the vehicle's backspacing, the offset of its wheels and even how wide the tires really are.

Does Regearing Jeep void warranty?

Regearing does not void your warranty, BUT don't expect a Jeep dealer to fix any issues with gears that failed. The replacement parts would be your responsibility to get from aftermarket manufacturer.

Do you have to Regear for bigger tires?

Going with bigger tires lowers the engine RPM at the same speed so it can't develop as much power. That means you'll have to downshift more to maintain speed. For 33" tires, you'd want to regear the axles to 4.56 to bring the engine rpms back up to where they need to be, close to where they were with the smaller tires.

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.

What gears should I run with 37 inch tires?

Upgrading to 37-inch tires would calculate to about a 16 percent increase in tire diameter. Increasing the 4.10 axle ratio by 16 percent would dictate the need of a 4.75 axle ratio to match the 37-inch tires.

What is the best gear ratio for Jeep Wrangler?

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.

How do you tell if my Jeep has been Regeared?

put a chalk mark on one of your tires that runs to the ground. Mark your driveshaft. Have someone roll the jeep one turn till the tire line hits the ground again. Count the turns of the driveshaft while it turns.