Joined
·
414 Posts
Not sure if any of these have been posted before or not. Just some transmission/transfer case information and supporting sites that I have found.
Hopefully all who are gear heads can add to this or correct what is incorrect and gear heads/non-gear heads can find some useful information.
Gear ratio calculator: Gear Ratio Calculator
Tire size calculator: DML Tire and Wheel Calculator
Transmissions:
Manual NSG370, The Jeep NSG370 Transmission - Novak Conversions
Auto (4 speed, 2007-2011) - 42RLE, Project-JK.com - Jeep JK Wrangler Resource » Jeep JK Wrangler 42RLE Automatic Transmission Service
Auto (5 speed, 2012-????) - W5A580
Transfer case:
X/Sport/Sahara: NV241, 2.72:1 low range
Rubicon: NVG241OR, 4:1 low range, The 241OR RockTrac Transfer Case | Novak Conversions
Axles:
X/Sport/Sahara front: Dana 30 with 3.21 or 3.73 gears (4.10 optional towing package in 07, 08 forward only 3.73 is optional).
X/Sport/Sahara rear: Dana 35 with 3.21 or 3.73 gears (4.10 optional towing package in 07, 08 forward only 3.73 is optional).
Rubicon: Dana 44 with 4.10 gears.
Project-JK.com - Jeep JK Wrangler Resource » Jeep JK Wrangler Axle Basics
Hopefully all who are gear heads can add to this or correct what is incorrect and gear heads/non-gear heads can find some useful information.
Gear ratio calculator: Gear Ratio Calculator
Tire size calculator: DML Tire and Wheel Calculator
Transmissions:
Manual NSG370, The Jeep NSG370 Transmission - Novak Conversions
Auto (4 speed, 2007-2011) - 42RLE, Project-JK.com - Jeep JK Wrangler Resource » Jeep JK Wrangler 42RLE Automatic Transmission Service
Auto (5 speed, 2012-????) - W5A580
Transfer case:
X/Sport/Sahara: NV241, 2.72:1 low range
Rubicon: NVG241OR, 4:1 low range, The 241OR RockTrac Transfer Case | Novak Conversions
Axles:
X/Sport/Sahara front: Dana 30 with 3.21 or 3.73 gears (4.10 optional towing package in 07, 08 forward only 3.73 is optional).
X/Sport/Sahara rear: Dana 35 with 3.21 or 3.73 gears (4.10 optional towing package in 07, 08 forward only 3.73 is optional).
Rubicon: Dana 44 with 4.10 gears.
Project-JK.com - Jeep JK Wrangler Resource » Jeep JK Wrangler Axle Basics