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Long-Term Updates - August 2011

Posted in How To on August 1, 2011
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What do you want to know about? Is there something we tried out in the pages of this magazine that you would like to know more about? Send an email to and we’ll make sure we get you an answer.

G2 Gears
We’ve been running G2 gears in our 1-ton Tahoe for over a year now with some Amsoil synthetic lubricant, and so far so good. There is zero gear whine, and they’ve been holding up to some decent off-roading and lots of daily-driving. And perhaps the most important aspect of a good gear (at least for install shops like the 4 Wheel Parts we installed these at): they set up easily and had a good pattern of gear teeth contact.

Eaton Truetrac
The Truetrac has been in this Long-Term Updates section before, but it’s worth touching on again. This gear-driven limited-slip differential uses no clutches and has no wearable parts that need replacing or rebuilding. It goes well in front-axle applications (even ones with full-time drive flanges or unit bearings) with no side-to-side pull, and gives extra traction when needed while allowing for smooth driving on pavement.

It’s also worth noting that this is the most popular differential in the collection of OFF-ROAD magazine’s project vehicles, with more of them showing up in our rides than any other diff...if that says anything.

Super 88 Ford 8.8 Axle Kit
We’ve been pretty danged happy with our Superior Axle Super 88 kit for Ford 8.8-inch Explorer axles. For about $700, the Super 88 kit turns a stock 28-spline Ford 8.8 axle (around $400 used) into a badass drop-in custom axle for Ford Rangers, Jeep Cherokees, or whatever you’d like to shove it under. Why an Explorer 8.8? The Explorer 8.8 axle has disc brakes, 28-spline C-clip axles, and is the correct width and wheel bolt pattern (5x4.5) for a Ranger or Cherokee. The Super 88 kit puts new housing ends on the axle (adding 1 inch per side and eliminating the need for C-clips) and gives replacement 31-spline chromoly axles. This does require the additional purchase of a new 31-spline 8.8 differential, but the finished product is a hardcore axle with chromoly axles, disc brakes, and a new differential for less than $2,000.

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