RING GEAR TOOTH COUNT PINION GEAR TOOTH COUNT GEAR RATIO. 3 6 Vs 8 Gear Charts Jeep Wrangler Forum.

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Gear Ratios For Jeep Jk With 3 6l Pentastar Engines With Automatic Or Manual Transmissions Jeep Gear Jeep Wrangler Forum Best Jeep Wrangler

Next find your new tire size and follow that across to the closest RPM to your original.

Jeep jk 3 6 gear ratio chart. Synchronized in all forward gears and Reverse multi-rail shift system with top-mounted shift lever. Written by Kupis on January 17 2021 in Chart. 38 jk gear ratio charts.

373 Option for 00-04 Rubicon Model 410. Jeep Jk 3 6 Gear Ratio Chart Lewisburg District Umc. Axle Ratio 373 Option for 98-99 Automatic Transmission.

The 373s on a 6-spd should be fine. Jeep Jk Gear Chart 3 6. That will be your first new gear ratio.

If you are looking for information on what gear ratios you Jeep transmission has in it or looking to do a conversion or even just some RPM calculations the following table should provide the basic information you need. Note Red cells are the minimum allowable gear set. The two differ in that the 38L has a 12-valve engine two valves per cylinder while the 36L has 24 valves 4 valves per cylinder.

Jeep JK with the 36L Engine Gear Ratio Tires Chart Jeep JK Gear Ratio Chart for the 36L and the Automatic Trans. At least the manual had a option for better gears though but not many actually came with the 373 sadly. 23545ZR-1 235 x 045 x 2 254 17 25327 And heres a formula that you can use to calculate your vehicles rear axle gear ratio.

Please register and help us grow a better JK. Both the 38L and the 36L have a similar layout in that they are both V6 engines with 60-degree V angles. Around The Campfire.

From experience and friends it seems that 456 is a good manual final axle ratio and 538 07-11 or 513 12-up for the Automatics on 35s 37s and up require a ratio bump in the same direction. We strive for excellence and are on a mission to build a friendly and valuable resource for other JK freaks. 321 were standard and standard gears for the manual was to low.

Even many 2012 owners are starting to realize that 321 shouldnt be in a Jeep. 23545ZR-1 235 x 045 x 2 254 17 25327 And heres a formula that you can use to calculate your vehicles rear axle gear ratio. Jeep Jk Gear Ratio Chart 3 6.

Wrangler afe power a jeep wrangler makes great daily driver 2018 jeep wrangler unlimited v 6 awd long shaft sdometer gears quadratec diffeial gear ratio to tire size. 3 6l Needs Numerically Higher Gearing For Manual Than Automatic. NSG-370 05-06 6 Speed Manual.

Youve got pre-selected gear ratio options here ranging from 273 all up to 538 so whatever youd like to program that in if youve made a physical adjustment to your gears. CROSS SECTION WIDTH x 0ASPECT RATIO x 2 254 WHEEL DIAMETER OVERALL TIRE DIAMETER For Example. When I created this calculator I was running 33s with 373 gearing.

Its an interesting option. Using the chart below first determine your original gear ratio and tire size and then follow to the intersection that should be your approximate RPM at 65 miles-per-hour. Written by Kupis on January 17 2021 in Chart.

Standard 36-liter V-6. In order to get the best ratio for your Wrangler you will want to play with this until you get the desired RPMs. Click to expand.

Ring Gear Pinion. Final Drive ratio - 345 standard 373 optional 410 Rubicon. Compare by tapping or clicking belo w.

11 78 long case top shifter 1 18 input shaft. I also have a 42RLE automatic transmission. 6321 3091 1681 1001 Rev 7441.

Sports come standard with 321s but have an option for 373s. We are a new forum dedicated to the 2007-2012 Jeep Wrangler JK driven by passion and enthusiasm. Well yes and no.

Youll probably lose 6th gear around town but itll still be useful on the highway. Find your Gear Ratio. Jeep 38 Engine vs.

2017 jeep wrangler towing capacity gears for 37 tires jeep gladiator atlas ii what gear ratio to get charts addressing jk tire sizes xj cherokee gear ratio and tire. 40 Sport Package 355. Expect sluggish performance minimal overdrive use and low elevation trails.

This is just a preset adjustments for whatever you modify those that gear ratio to be. The chart is based on RPM levels at 65 mph 105 kph and a drive train running at a 11 gearing ratio meaning the transmission and transfer case are passing power straight through at a one to one ratio without reducing or overdriving the engines rotations per. RING GEAR TOOTH COUNT PINION GEAR TOOTH COUNT GEAR RATIO.

Transfer case low ratio. With 321s youll be struggling a little and lose 6th gear completely. CROSS SECTION WIDTH x 0ASPECT RATIO x 2 254 WHEEL DIAMETER OVERALL TIRE DIAMETER For Example.

In regarding the Proper Gear ratio chart the 2288 or the other 4 digit numbers that is referring to the RPM the vehicle would be in at 70 mph. Three rotations of the driveshaft would be a 307 gear ratio three- and three-quarter rotations would be a 373 gear ratio and so on. NV3550 00-04 5 Speed Manual.

Towing Package Axle Ratio 355. I havent seen much over 538s without using custom axles under the Jeep. That is what the red box in the top left corner is referring to when it says 70 mph RPM range.

The RPM range that is typically accepted as best is between 2000 and 3000 for the 40 L HO engine. Axle Ratio 355. Rubicon Model 410.


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