In the Spotlight
BF Goodrich Mud Terrain Tires on US Mags Indy U101 Wheels
After the installation of the new suspension some further sprucing up of the jeepfan.com 1978 CJ-5 was in order. The Mickey Thomson MTZ tires on the Classic II wheels served the Jeep well from both a performance and appearance perspective but a look change just felt needed. US Mags makes many styles of wheels but …
Projects & Installs
Warn VR10-S Winch Installation on a CJ
As part of the return from retirement of the jeepfan.com 1978 CJ-5 was outfitted with several new items to improve its off road prowess. A winch on the front of a Jeep is as useful as it looks good, our Jeep spent several years with a naked bumper and it was time for a change. Over …
Technical & Info
Tire to RPM Ratio Chart
The following chart shows engine rpm at 60 mph for various combinations of final drive ratio and tire diameter. If you want to determine rpm at a speed other than 60, or for a combination of ratio and tire size not indicated here, the formula is:
Jeep TJ 1997-2006 How to Build and Modify
A physical book you can hold in your hands by CarTech written by jeepfan.com writer Michael Hanssen. This 144 page book features over 350 pictures and covers what’s involved when building a TJ for maximum performance on and off road. Finding this balance for a dual purpose Jeep isn’t particularly hard with careful and thoughtful …
offroad & events
Seisholtzville Jeep & Truck Jam 2025
The Seisholtzville Fire Company in Macungie, PA held a nice little Jeep show (as well as other vehicles) at their facility on June 21, 2025. It was a nice little turnout that allowed people to mingle and talk about their stuff. There was an impressive showing of some older Jeeps along with newer stuff. The …
Latest posts
Jeep NV241OR Swap – Replacing a NP231 Transfer Case
The Jeep NP231 transfer case, used in everything from YJs to TJs and XJs is a lightweight, reliable part of the 4WD puzzle. But when you start throwing serious tires, lockers, and steep trails at your Jeep, its limits can become obvious. Enter the NV241OR Rock-Trac transfer case, Jeep’s heavy-duty, gear-driven crawler that comes factory …
