Regearing is very popular in the Jeep world and there is a reason for it.
When you lift your Jeep and stick bigger tires underneath your fenders, you're going to lose
some acceleration, performance, and fuel economy.
Regearing will regain those numbers lost making a more comfortable and a more tolerable ride
in your JK.
This kit that I have here, by Revolution Gears is a 513 Gear ratio for the '07 to '17 non-Rubicon
owner, looking for an everything-in-one kit.
I would also like to mention that this is a definite three out of three wrenches on
the install, and unless you're a professional, I would definitely recommend taking your Jeep
to a trusted shop for installation.
Because the Rubicon and the non-Rubicon have different size differentials, the kits do
differ, so make sure you get the right one for your JK.
The non-Rubicons will have a Dana 30 in the front and a Dana 44 in the back.
And this kit has gear's size for those differentials, as well as everything that you'll need when
you're installing your gears.
I would like to mention in your front differential, your stock your size will matter.
If you have 321 stock gears you will need to upgrade your carrier in order to fit the
larger ring gear.
If you have a 373 gear ratio or numerically higher currently, your carrier from the factory
will be able to hold the larger ring gear.
Also, when choosing the right gear ratio, it will depend on your year, transmission,
and tire size.
You can find tools and charts on our site in our learning center.
The charts will be underneath our drive train section for when and why you should regear
your Wrangler.
Like I said, this kit comes with everything that you need in order to regear your Wrangler.
This includes both the front and rear ring and pinion gears that are made of 8620 heat
treated and hardened steel, that will meet your OEM specifications.
This durable alloy treatment will make sure that the gears last a long time and they'll
be able to take some stress.
This is especially important since they're one of the main pieces of the puzzle to your
driveline.
This kit also comes with a master overhaul kit that includes replacement Timken carrier
and pinion bearings, shims, gaskets, and national oil bearings along with Loctite and bolts
for the ring gear.
A master overall kit will be a little bit more in-depth than a regular install kit.
I always recommend going with an overhaul kit since the regular install kit will not
come with the replacement bearings, and when you're already inside your differential, changing
out your gears, it's always a great idea to do some maintenance and change all your bearings
for the best performance.
Like I mentioned before, you will need a carrier that will accommodate a ring gear that is
373 gear ratio or numerically higher.
If you have 321s you'll need a new open differential carrier or you can take this opportunity like
I did with my JKU to upgrade your front carrier to a locker.
You'll only need to do this to the front Dana 30 because, in the rear, the larger Dana 44
will be able to accommodate that larger ring gear.
I did also mention before that the gear ratio will depend on which trans, which engine,
and what tires you have, as Well as the performance that you're looking to achieve.
The charts will show you which range you will want to be in, whether it be the minimum ratio
allowed for your setup with okay performance and mile trail use, a good daily driver gear
with a full-time overdrive and moderate trail use, or a gear set that still has a fair daily
driver, but will have a higher performance and torque for rock crawling and higher elevations.
As long as you know what tire size you have or what you're looking to run in the future,
the conversion will be very easy to figure out what gears are right for you and your
JK.
This KIT right now is weighed around $650.
Now, that might seem like a lot, but in regards to a ring and pinion Gear, as well as a master
overhaul kit, what you're getting with this kit is a deal.
The only kits that we offer like this are by Revolution Gear and they come in different
ratios, as well as different combinations for the Rubicon and the Non-Rubicon models.
We also do offer a lot of other options on the side right now for ring and pinion Gears,
but they're for just the ring and pinion Gear for either the front, the back, or both.
When you install gears, you need an install kit, whether it be a very basic install kit
or a master overhaul kit, and that's going to add the price of equaling if not exceeding
that $650 price point, and some install and master overhaul kits can range anywhere from
a 100 to $300.
Those other options are so great if you're looking for a specific brand or a specific
size or if your bearings and your differential don't have a lot of miles on them and you
didn't need the full master overhaul kit.
Overall, Revolution Gear makes it very easy for you and this kit is a one-stop shop.
In my opinion, this is a great option.
If this is what you're looking for and you really can't beat it.
Install will be a three out of three wrenches on the difficulty meter and I highly recommend
going to a professional to have your gears installed properly.
Installing gears is very in-depth and having the right tolerances is crucial to have them
last a long time.
Installing them improperly can lead to faster wear.
So I would definitely take it to a Jeep shop that you trust.
To give you a little insight on what goes into installing these, you'll need to drain
the diff, remove the diff cover and the axles so you can get to the carrier.
Once you remove the carrier, you can get to the nitty-gritty.
There honestly is a lot of numbers involved with your tolerances including measuring your
backlash, measuring your pinion depth and your carrier and pinion bearing preload.
Backlash is the clearance between the gear teeth that let the gears mesh without binding
and providing space to lubricate the gears with oil, preventing tooth damage and overheating
from friction.
Measuring pinion depth is also very important.
And it's how far your pinion gear extends into the differential housing to help create
a good backlash.
And lastly, your preload on your bearing is also essential, which will maintain the correct
amount of stress for the meshing of the gears to create an accurate displacement of the
gear movement, and increase your bearings rigidity especially with the force of being
your driveline.
All of that measuring will take place with essentially trial and error, shimming the
components, making sure they're intense of each other.
After everything is shimmed and put back into your differential housing, it's just a matter
of putting these components that we took off back on, and filling up with the right amount
of gear oil.
So if you're looking to regear to a 513 and want a one-stop shop, this is going to be
it.
This is Merideth with XT and for everything Wrangler, keep it right here at extremeterrain.com.
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