Put Jeep in neutral. Turn one of the rear wheels while looking at the drive shaft. Count the number of turns for the drive shaft for every turn of rear wheel. There should be a tag on the axle that has the gear ratio on it.
As many you asked, how do I know what gear ratio My Jeep has? So an easy way to determine your actual gear ratio is to check the tag attached to the differential cover by the cover bolts. On the tag there should be some numbering such as 3.54 or 3.73, either of those numbers will give you the stock axle ratio.
Additionally, what gear ratio does Jeep Wrangler have? The Jeep Wrangler is available with several axle gear ratios allowing customers to optimize fuel economy and vehicle capability. Wrangler is available with 3.21, 3.73 or 4.10 ratios depending on model. Also, Wrangler offers towing capability up to 3,500 pounds.
Also, how do I find my gear ratio? Count the number of teeth on the pinion gear and count the number of teeth on the ring gear. Divide the ring gear teeth number by the number of teeth on the pinion. The result is your gear ratio.
You asked, can my VIN tell me my gear ratio? While it may be possible to derive information about an auto’s gearbox ratio from its VIN, that depends largely on the information the manufacturer includes in the vehicle descriptor section (VDS) of the VIN.While 4.56 is ideal for 33″ tires and 5-speed transmission, the 3-speed auto’s lack of an verdrive makes 4.10 the best all-around street and offroad ratio. The only time you’d want 4.56 with 33″ tires and 3-speed automatic is if your engine was the 2.5L four-banger.
How do I decode my Jeep VIN number?
- 1 – Country (USA)
- C – Manufacturer (Chrysler)
- 4 – Vehicle Type (Passenger Car)
- NJCBA – Description (4WD/4DR/SUV/Jeep Compass)
- 9 – Check Digit.
- G – Model Year (2016)
- D – Assembly Plant (Belvidere, Illinois)
- 681479 – Production Sequence Number.
What gear ratio do I need for 35 inch tires Jeep Wrangler?
In most applications, with normal driving habits, you’ll usually want to back up the 35-inch tires with 4.88 gears.
Why do Jeep have two sticks?
Jeeps were designed to have low and high gears for crawling up steep hills and powering down steep hills, respectively. The engine and transmission are designed so that the transmission would need to shift more often than with a single-speed transmission, so the two shifters minimize gear changes.
What is a good gear ratio for highway driving?
For on-highway linehaul, the range tightens to a fuel friendly 2.26 through 3.42 for the most common ratios. “For on-highway, direct drive, it starts all the way down at 2.26 and up to 3.08 or larger,” Garrison says. “Getting into the mid- and upper-threes is starting to get more unusual these days.”
How do I find the best rear end gear ratio?
The number of driveshaft rotations will help you determine your rear axle ratio. For example, if it turned 3 and a half times, it’s a 3.50:1 ratio. If it turned 4 and a quarter times, it’s a 4.25:1 ratio. For better accuracy, turn the wheel 20 times and divide by 2 for your rear axle ratio.
Can you change the gear ratio on a truck?
You can change the axle ratio, and you can do it rather easily. Quite a few members here have gone from one ratio to the next. People with 3.21 and 3.55s are going up to 3.92 and even sometimes 4.10. A lot of the 4×4 trucks you see here with lifts and larger tires have gone with 4.10 or 4.56.
How do I find out what gear ratio my Ram truck has?
Start the truck and put it into neutral. Rotate the rear tire 2 times and count the number of times the drive shaft turns. Close to 4 times = 3.92. Close to 3 1/2 = 3.55 Close to 3 = 3.21.
How do you check the gear ratio on a spinning tire?
Rotate the marked tire one revolution while counting how many times the driveshaft rotates. eg, If your driveshaft made 3 3/4 revolutions, that would determine a 3.73 gear ratio. If you get approximately 2 3/4 revolutions, you have a 2.76 gear ratio.
Are 3.73 gears good for highway?
Is 3.73 gears good for towing? FACT: A 3.73 axle ratio is ideal for towing heavy loads on flat terrain and will produce increased fuel economy during steady-state, long-distance highway driving.
Can 3.73 gears handle 35s?
You can do it but it’s definitely not ideal. The ratios with a 5.13 first on a 3.73 rear end and 35’s (your proposed setup) is very slightly taller than what a stock 6MT Tacoma is in first gear so it’s not like you’re going to be causing massive wear getting started.