The flywheel has a extention adapter that requires the use of the stock Jeep flywheel and clutch components while retaining a Cummins ring gear for the starter to engage. The Cummins diesel, famous for simplicity and reliability, can be installed in the truck you have- making it the truck you want to keep. - 12,000 sq. Jeep Wrangler Diesel Swap Diesel swaps are hotly debated and advocated for and against on just about every forum. Novak Conversions is the leading company in high quality Jeep Conversions foir GM powertrains. The Cummins 4BT is a popular diesel swap into Jeeps due to its performance characteristics. With some common performance upgrades this engine will pull 750 lb-ft of torque. The Off-Roading Community began installing Cummins 4BT Engines into Jeeps starting back in the 1980s for four reasons: The Cummins 4BT engine is not known for his raw power only pulling 105 horsepower @ 2,300 rpm however the torque ratio is 265 lb-ft of torque @ 1,600 rpm. The Cummins 4BT Engine can be swapped into almost any 4 x 4 vehicle. With all that low-rpm torque, you seldom have to spin a tire in the dirt with the Bruiser.Diesel Jeep fans go wild! Custom AC lines go to the factory compressor in its new location. Telephone: 720-920-9162 An AC and alternator bracket enables the swap to re-use the existing AC compressor and alternator from the 3.8L. Jeeps to Trucks we can do it! With a VE or VP Pump the unit will shut the engine off to save the pump. They were getting 30 mpg out of one on 33's and 3.07 gears and around 20 out of the one with 37's and 4.88. This calibration provides multiple improvements and features with the most noticeable being a new torque curve with a peak of 310 LB-FT @ 1,800 RPM. Jeep JK Wrangler LS Swap 2007-2011 : 2012-2018. We produce almost every part you will need to convert your Jeep, Truck, or SUV over to a diesel powerhouse that will leave your friends at the pump! Choosing one of those engines, whether you look for a Power Stroke, Duramax, or Cummins, will have 1,000 pound power plants that can probably easily handle your needs. These later 4BT were the ECM driven common rail fuel system units typically with the VP Pumps. You can see the front dress includes the OE alternator and AC compressor that have eight groove pullies installed so they work with the eight groove serpentine belt that’s a part of this conversion. Our Jeep XJ conversion using this adapter can be seen here. The hydraulic motor mounts are designed to remove the 4BT’s vibration and are located in the custom engine mounting bracket assembly. If you have any questions check out our FAQ Page. If you further restrict fuel flow to the VE Pump you will gain greater mpg however within 1 year the pump will fail as too much backpressure on the system wreck the pump. The adapter plate bolts to the Cummins and then to the stock 6 cylinder bellhousing. This is engine should be name Old Reliable because it will run forever. It was rebuilt approx 17,000 miles ago. Jeff Daniel's is the Pioneer of 4BT diesel conversions. Take a look a some of our previous builds: Please note that we do not do specialize in 4BT Swaps; we are diesel engine manufacturers and machinists not performance mechanics. Each state and even county is different; it's best to do your homework before embarking on a vehicle swap. Jeep Hemi Conversions The HEMI V8 engines are king for swapping into your JK Wrangler, JL Wrangler, or your JT Gladiator truck. … Phil Howell Editor-in-Chief / fourwheeler.com. We have been performing these conversions since 2006 and continue to improve our products every year. One of the diesel options that’s recommended frequently is the 3.9L Cummins. The engine is still under warranty but instead of just swapping in a new engine and having to eventually go through this process again down the road I was looking into other options. Check out some of the most popular OHV Trails in Colorado once you get 4BT Swap up and running! The engine is roughly 1/3 of the weight of a Jeep Wrangler so suspension is must when installing this engine. The downside to P7100 pumps other than fuel economy is that if for any reason the unit breaks a lift pump or has a leak in the fuel line there is no automatic shutoff. Since 1989 the Bruiser Conversions team has been refining the diesel conversion program for the Jeep Wrangler. The stock radiator is retained and works fine, even in hot desert environments. cable for the Raptor 700R4 automatic, as well as a bracket for the floorboard to accept a manual throttle pedal. Although the 4BT, is a good option for many conversions; there are some downsides to the 4BT. We specialize in all kinds of swaps, and provide quality Made-in-America precision maching. The standard 4BT was produced from 1983-1998. The Diesel Bruiser JK came to our photo shoot with Teraflex Pro LCG suspension installed. Vehicle connectivity is at the center point of an engine swap that yields high-horspower numbers and an UNBELIEVABLE DRIVER EXPERIENCE! The 3.9L 4BT is tough as an anvil but also big and very heavy. You will need transmission and motor mount adapters. ft. facility - High-tech design studio - Hemi V8 Specialists JK Land Jeep Sales & Outfitters 64 Hunter Road Douglasville, GA 30134 +1 (678) 940-0217 The most common is a 4BT Jeep Swap. Some of the negatives to using a 4BT in a conversion would include weight, vibration, noise as well as a limited power band. The upper hose is replaced.The braking system is controlled by a Stainless Steel Brake Corporation (SSBC) vacuum pump and reservoir canister to create vacuum for the braking system due to the diesel engine’s inherent lack of vacuum. Front and rear ends were stock, but by the time you read this, Jeff Garland, the founder and owner of Diesel Bruiser Conversions and Jeff’s Jeep Yard, will have built custom Dana 60 front and rear ends for his JK Unlimited.Jeff’s diesel JK is producing 402 lb-ft of torque at 2,100 rpm (off-idle torque is 280 lb-ft!) The older mechanical inline pumps are easier to modify and upgrade however you won't get as good of fuel millage out of them. E-mail: sales@4btengines.com, © 2020 Big Bear Engine Company | All Rights Reserved, installed primarily in Bread Trucks and Step Vans, Cummins 4BT Engine can be swapped into almost any 4 x 4 vehicle, some of the most popular OHV Trails in Colorado, some of our installation partners for info on mods and engine installs, Direct Injection, Mechanical Injection Pump, Significant Torque Ratio Upgrade Over Gas Engines, Biggest Diesel Engine That Will Fit Automotive Applications, Long Life Expectancy and Room For Performance Upgrades. Big Bear Engine Company, The standard injectors on the 4BT are either 7mm or 9mm with 145 degree or 155 degree spray pattern. When it never materialized, people were not only let down, they were angry with Chrysler, as well as us, for announcing the still-born conversion as fact.Diesel lovers rejoice! The option I’ve been leaning towards is swapping in the new r2.8 Cummins crate motor. The Jeep world went wild with anticipation when Mopar announced a diesel conversion for TJ Wranglers, utilizing their 2.8L diesel mill. So Cummins offers a crate engine R2.8 ( 161 hp, 310 ftlb) Diesel with everything you need to stick it in whatever you want for $8,999. The Cummins 4BT Engine (3.9 L) originally was created for industrial applications. For bigger trucks or SUVs the added weight shouldn't be a huge issue however it is always a smart idea to make sure the chassis is balanced and properly holding the addition weight. The standard 4BT will 18-20 mpg in the city and 22-25 mpg on the highway. Diesel Bruiser Conversions is swapping Cummins diesels into not only CJ, YJ, and TJ Jeeps, but has perfected the JK Wrangler swap, as well. The battery tray relocates the battery and the fuse /relay box for proper clearance for the cold air intake and turbo. 4BT Diesel Conversions. I ran one day at Moab with the Cummins crew and two TJ's with the swap. There are over 825 customer conversions since our beginning idea of providing custom OM617 engine adapters. There is no reason this engine won’t run for 1,000,000+ miles. The gear-driven power steering pump for the 4BT is utilized and high-pressure and return lines are custom made to connect to the OE power steering gearbox. The standard 4BT uses a P-7100, P-3000 or Bosch A Mechanical Fuel Injection Pump while the later models switched to an electronic VP or VE Pumps. You'll get 500+ HP and 500 ft/lbs of torque with some 2800-3500 RPM governor pins, 550 cc injectors and huge 12-14 mm injector nozzles with the 154 degree spray pattern. The cooling lines are custom for the transmission as are all brackets to attach the factory shifter cables to the transmission and transfer case. *The Jeep TJ or JK Rubicon Dana 44 front axle has a smaller axle tube size than a full-size beam axle 4×4 truck with a 44. Dana 44s or Dana 60s are standard differentials in the swap community. It’s returning 28 mpg in the city and 32 on the highway. We work hard to be leaders in the Cummins diesel conversion market, and we want to be the best. It uses the stock 4L flywheel and includes a high torque mini starter. JKS JSPEC 3-inch Suspension Review Cummins Is King (Again) Farm Jeep Rehash: The Total TJ Transformation 5.0 is Go: How a Ford Coyote 5.0L V8 Swap Compares to the LS V8 and Why You Should Do it The 5.9L TJ: Everything’s Better With a V8 ... A forum community dedicated to Jeep Wrangler JK owners and enthusiasts. The Cummins 4BT Engine (3.9 L) originally was created for industrial applications. Asking $13,500 or find it on ebay and take your chances:) Up For Sale Is my very Awesome 2001 Jeep Wrangler with a 4bt CUMMINS...This is also not your average 4bt. The B50 Life Expectancy before overhaul is roughly 400,000 miles. As a guide an extended long block is about 75% finished. The Cummins® R2.8 engine produces 161 HP at 3600 rpms and 267 ft pounds of torque at 1500-3000 RPMs in its stock form and will surely provide ample low end torque for your offroad Jeep … This small diesel made its debut in 1983 as a part of the popular B Series of Cummins Engines. The post 1998 models, known as the ISB 4BTA, are a 16 valve 170 hp 420 lb-ft of torque. To start, this is not the 4BT that so many have heard about. Sure you can look to the ¾ ton and larger truck market. The 4BTs do not use injector tubes so boring out the injector holes can be done at a machine shop. $200-500. 1/2 ton axles are a bare minimum for the 800 lbs motor. Common automotive models include Jeep Wranglers, Jeep Grand Cherokees, Land Rovers, Toyota FJ Cruisers, Toyota 4Runners, Nissan Xterras, Mercedes-Benz G500s, Ford 150s, Ford Raptors, Ford Broncos or Chevy Colorado. Considering a Cummins diesel conversions® into your Super Duty® Ford®, or Chevy truck? The second 3.8 in my Jeep is starting to show signs of being on its way out. If the stock drivetrain in your Wrangler JL, JK, or Gladiator JT isn't cutting it for you, RubiTrux is proud to offer 6.4L 392 HEMI SRT and 6.2L Supercharged Hellcat HEMI SRT conversions for your JL or JT (Currently only offering 5.7L and 6.4L 392 conversions the the JK). A photo posted by Cummins Inc. (@cummins) on Oct 13, 2016 at 11:57am PDT. Although a taller and heavier engine, the Cummins 4BT's length and width fit optimally with room to spare inside the Wrangler's engine bay. Full HP mods can include larger injectors, ported heads studs, lower compression pistons, performance cams, harmonic balancers, twin turbos, intercoolers and cold air intakes. Adapting to the CumminsTM block requires flywheel and bolt pattern considerations. The 4BT is highly modifiable, has multi-fuel capability, produces fantastic torque off-idle, and has the capability to go 500,000 miles without a rebuild. Toll Free: 844-340-4114 This is important for off-roading as a matter of a few inches is the difference between getting over that incline or ending up in the mud. Extended long blocks are 'component builds' assembled to specific engine serial numbers and CPLs (critical parts list). Check out how sweet this is! No wonder the 4BT Cummins has become one of the premier engines for swap projects. 665 E 70th Ave, With the recent release of the Cummins R2.8 Turbo Diesel engine this program has evolved to meet the ever-changing demands, and Jeeps, of our customer base. The engine is mated to the 700R4 Raptor transmission through a Bruiser adapter and flexplate. As a guide a component build contains 90% OEM parts, 10% aftermarket. Note that the bigger the injector nozzles the hotter the head will get and can be prone to cracking. 5.9L Cummins Swap The experts at American Expedition vehicles specialize in swapping 5.7L Hemi v-8 engines into Jeep Wranglers, but installing the long inline-six cylinder Cummins … #CumminsRepower #Cummins #Jeep #JeepWrangler. The Cummins mill and GM transmission interface with the JK’s CANbus system and there are no warning lights or issues. Merry Xmas and Happy New Years from the Bruiser Team. Didn't want to post in the the "3.0L ecodiesel" section and there is no engine swap section yet so I figured I'd try here. If your looking for the finest in Cummins 4BT Conversions, look no further than Bruiser Conversions . We are not modification specialists but know that many mods can be done. Consequently if you want more power out of the VE pump mods kits can get the pump up to 250-300 HP. Jeep 4.0L The candidate: The Jeep 4.0L was first put into XJs in '87 and upgraded to H.O. Cummins 6BT and ISB engines start quickly, even in the wintertime! We’ve spent some time giving you the pros and cons of the 4BT, so we thought we’d offer you up a cheap diesel swap option that wasn’t from the Cummins family. Common Jeep Wrangler 4BT Swap Models Include: We offer both long blocks and extended long blocks for sale. The R2.8 is a smaller, more modern, and … A normal upgraded engine will yield 28 – 30 mpg with some high level performance mods to the aftercooler, turbo and variable (lift and duration) timing of the camshaft being able to get 35 - 40 mpg. We offer a few different options for installing a GM LS based engine into your Jeep JK.. 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