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I'm excited to share the latest development from Cummins and Advance Adapters: the R2.8L Cummins Repower diesel crate engine conversion for Jeep® and other 4x4s! At the 2016 SEMA Show, Steve Roberts (Advance Adapters) and Steve Sanders (Cummins Repower program) detailed the engine conversion and discuss highlights of this high tech diesel engine in our HD video interview. In the video, you'll discover why I'm so pleased with this development. The initial Cummins Repower focus is 50-State legal emission status for vehicles through 1999, which will include Jeep® CJ, XJ, ZJ, WJ and vintage vehicles plus Toyota FJ40, Land Rover, vintage Bronco, Scout/Scout II and others. Of course, the Jeep® JK Wrangler is on the radar screen, however, emission legal requirements will be met before releasing a package for the later model range. We're planning a pilot installation of the R2.8L Cummins diesel engine package into the magazine's 1999 XJ Cherokee during 2017. Enough power? In Brazil this modern CRD high-tech diesel engine is fitted into F350 Ford trucks and school buses. Enough fuel efficiency? Stand by, we'll be testing and confirming mileage soon! See the complete article that accompanies the HD video at: http://www.4wdmechanix.com/advance-adapters-and-cummins-2-8l-diesel-engine-conversion-for-jeep/ Go Cummins Repower and Advance Adapters! Moses
While many see modern Land Rovers as eccentric tractability for the world's gentry, one model is a clear exception: the Defender 90. Land Rover's legacy of rugged, military grade 4x4s comes together in this iconic and sought after model. Bill Burke of 4-Wheeling America has been a personal friend for many years now. We co-instructed 'Tread Lightly' 4WD Clinics across the U.S. years ago, and Bill is a Camel Trophy veteran...I competed in the CliffsNotes version, the Land Rover Trek competition, which did a much abbreviated (all in one long day) facsimile, using Land Rover Discovery models. Bill has been a Defender 90 aficionado ever since his Camel Trophy experience. A closer look at this model reveals why. When he purchased his Land Rover Defender 90, Bill was in his element! He has carefully maintained and upgraded this 4x4 to meet every need in his four-wheeling instructional and guiding service. I've driven the popular, shorter wheelbase off road 4x4s built since 1941 and have owned or officially tested more than my share. The short list for optimal 'wheeling would be Jeep CJs, Wranglers, the Land Cruisers, Nissan Patrol, Ford Bronco, I-H Scout and Scout II and the Defender 90. I single out these vehicles because benchmark, tight access routes like the Rubicon Trail have very specific requirements. I have a quick formula for vehicles well suited for tight, twisting 4x4 trails. Since most popular 4x4s can now be chassis "lifted" and equipped with oversized tires, it comes down to useful wheelbase lengths. In my view, the best 4x4s for Rubicon Trail travel have a wheelbase no longer than 104". I use this arbitrary length to include the vintage Jeep CJ-6, CJ-8 Scrambler or an XJ Cherokee in modified form. A short wheelbase improves break-over angle. Good approach and departure angles make the best trail runners... Note: Some might ask why I don't stretch that figure to the 116" JK Wrangler Unlimited's wheelbase length. That Jeep needs 37" diameter (significantly oversized!) tires to successfully negotiate the rougher sections of the Rubicon Trail without damage. The Land Rover Defender 90 has a 92.9" wheelbase, Toyota FJ40 Land Cruiser has a 90" wheelbase, and the original Ford Bronco is a 92" wheelbase. Track widths are similar, and all three of these vehicles have excellent approach and departure angles—as do Jeep CJs and Wranglers. Narrower dimensions of traditional, short wheelbase Jeep utility 4x4s excel on ultra-tight access trails. The JK Wrangler is the wider, longer exception, these features intended for better vehicle control on-highway and, overall, a lower center of gravity to reduce rollover risk. I have owned two FJ40s and would characterize them as among the very best off-pavement 4x4s ever. The wider track width lends center-of-gravity stability, the shorter wheelbase provides tight back country access—yet still offers reasonable on-highway handling for a 4x4 designed for primitive country. To prove this point, I once towed a 21-foot travel trailer across the Mojave Desert in a wind storm. That FJ40 OFF-ROAD Magazine project had a 383 Chevy V-8 stroker motor conversion, and I used a load distribution/equalizer hitch with a sway control brake (neither item out of the ordinary for safe towing). The vehicle was rock steady. A Defender 90 or early (1966-77) Ford Bronco can be set up to accomplish the same. More details about the Defender 90 and its predecessors: http://en.wikipedia.org/wiki/Land_Rover_Defender_90#Land_Rover_Ninety_.26_One_Ten Simply on dimensions alone, the Defender 90 scores well. Add to that a separate ladder frame with beam front and rear axles, refined and tuned suspension, and the Defender 90 ranks up there. Overseas, the turbo-diesel powered Defender was hugely successful. In the U.S. market, which only lasted from 1993-97, the proven aluminum 3.9L and 4.0L V-8 worked well. I know this engine from its roots, the 'sixties Buick/Olds 215 aluminum V-8. We can discuss that history if you'd like! I'd value opinions from Defender 90 owners and seekers. Join this forum and let the discussion begin! Moses
The Land Rover has scoured the Earth, leaving its footprint on every continent and in the roughest of terrain. In the U.S. market, the Discovery and Defender 90 models have distinguished themselves as off-road, "overlanding" 4x4s. My familiarity with the Land Rover heightened in the mid-'ninties when I participated on 'Team U.S.A.' in the Land Rover Trek event, an intensive, one-day condensed version of the notorious Camel Trophy. Held at Georgia, our competition included a cross-country foot race before dawn, orienteering, a pulley descent on ropes, canoeing, slogging through deep, red clay mud on an all-terrain bicycle, driving Land Rover models in tight courses of mud, and changing tires in this muck. The final competitive segment was teeter-tottering vehicles and timed winching with the Land Rovers. Fortunately, I had the good sense to train vigorously for this event, and our team—Sue Mead, Nick Dimbleby and yours truly—earned a podium finish and trophies. We were pleased with our performance and the ability of the Land Rover, too! Land Rover also sponsored my Tread Lightly midnight presentation before the Eco Challenge participants at Whistler, B.C., an event that helped launch Mark Burnett's production career! This community forum is for Land Rover owners, whether postwar vehicle aficionados and restorers or contemporary owners. There are also many devoted Defender 90 owners, including my friend Bill Burke of 4-Wheeling America. Bill was a Camel Trophy participant, and we co-instructed Tread Lightly 4WD Driving Clinics together. Enjoy building this community of like-minded Land Rover enthusiasts and overlanders!—Moses Ludel