(2.8L, 3.1L, 3.4L & 3800) and 90 deg. Go with a clean, simple, industry standard mount like the Novak #RMU. This is essentially a non-issue with these FSJ Jeeps. Bump stops will be necessary to prevent the front driveshaft from intefering with the driver's side exhaust circuit. Modern conversion engines often weigh less than the factory engines. Always a good motor, though never wholly exciting, the 4.0 was retired from the Jeep midsize line due to core design drawbacks, including those of long-stroking I6 and the effects that has on power and economy, vis a vis the broader revving power ranges achieved by other fundamentally different platforms like the V6's & V8's. Jump to Latest Follow 1 - 6 of 6 Posts ... A forum community dedicated to Jeep Cherokee owners and enthusiasts. However, it should be fitted with the Vortec truck style oil pans. As discussed in this guide, further and more deeply detailed information comes with Novak adapter assemblies, engine mounts, radiators and other components. $9,500 – Lemont, IL: “Selling my Lifted 1999 XJ Jeep cherokee with a Turbo LS Swap 5.3 V8 engine LM7 out of a 2002 silverado, with 4L60E manual shift transfer case Jeep is immaculate condition, 4.5 rough country lift kit with 32” Goodyear Kevlar MTR, Interior and exterior in very good condition. You can also keep your fuel gauge and AMP / volt gauge as factory. TH400: In the no-holds-barred strength category, the TH400 may be the obvious automatic of choice. Ford T18: Yes, the Ford T18 may also be an option for GM swaps. Leave the factory heat shielding in its location and position your catalytic converter and muffler under it. Additionally, the short grille of the XJ calls for an aluminum radiator that dissipates heat faster than the copper / bronze versions. Your Jeep is considered to be a “Light Truck” by most jurisdictions. This popular rear mount is strong and easy to set up with any Jeep swap. Transmission and transfer case shifters are discussed in instructive detail in the Novak instruction packages that will come with your gearbox adapter assembly, and specifically to your particular drivetrain choice for your Jeep. The Turbo 700R4 transmission has taken the conversion world by storm and is a good option for the same reasons as the TH350, with advantages in having both a lower first gear and a .75:1 overdrive. ATK Engines Replacement 2.8L V6 Engine for 85-86 Jeep Cherokee XJ, Comanche MJ & Wagoneer $2,134.95 ATK Engines Replacement 4.0L I-6 Engine for 1991 Jeep Wrangler YJ, Cherokee … Little argument need be made about why an individual with one of these smaller engines in their Jeep may feel the impetus to upgrade. The powertrain wiring harness. All in all, there is no change to your Jeep that is more exciting or beneficial than a powertrain conversion. Axles are generally out of the scope of our work here at Novak, but there are plenty of companies that deal with them to be of assistance if you feel you must upgrade them as part of your conversion. They are sometimes more central to the conversion than the engine. Have a 2005 Grand Cherokee with a bad 3.7 engine. It is crucial to discuss transmissions early on. In 1988, a much needed improvement replaced the BA10/5; the AX15. Steering shaft clearance; Actually, more of a driving reason for the offset as listed above. Dana 44s or Dana 60s are standard differentials in the swap community. The following article is the culmination of the summary of knowledge that Novak and its customers have gained over decades of successful swaps. Leave the factory heat shielding in its location and position your catalytic converter and muffler under it. Go with a clean, simple, industry standard mount like the Novak #RMU. We get an occasional call from customers that have found a beautiful Vortec V8 and ask if they can put a "simpler" carburetor on it. You may need some simple spacers. Its overdrive feature can be useful. SM420: For the old-school, ultra low geared crowd, the SM420 four-speed manual transmission is a great choice. Only problem is that the 07 engine has the egr valve in the left head. If you are installing a GM Generation III+ V8 in a 1971-1991 FSJ, then yes: our bolt-in mountswill determine your engine location. The NP242, the full-time / part time case has slightly less torque handling capacity than the NP231 and a more complex design, but it is a decent case and can be retained as well. We've found that the use of a GM R4 compressor with a relocation kit is the best method yet. An installer's analysis of the Jeep's particular wiring diagram and the engine's wiring diagram will quickly reveal the wires that can be merged, connected and (in many cases) simplified or even eliminated. Nearly all Novak adapters have cast-in or modular mounting bases that are configured for use with an industry standard urethane rear mount. Frame rail clearance; it is usually exhaust manifolds that dictate location here. A 1984 XJ Cherokee with a TBI Chevrolet V8 and a 700R4 automatic transmission. There is no need whatsoever, in terms of the engine & transmission swap, to use a different crossmember than the factory versions. Of course, the folks at Jeep felt the same way and in 1987, AMC Jeep released a redesigned version of its standard issue straight-six 258 engine. The FSJ Jeeps were the first to use the Borg-Warner Quadratrac transfer case in 1973. Now the other big question: do I need to lift my XJ to accommodate the new engine? The fuel level meter should be Chrysler compatible since you will be using the signal from the factory fuel sender. The automatic transmission that is married to the engine. 0 0. Jeeps that require extensive travel or specialty-built driveshafts have this option available through several fabricators across the nation. Anything needing to be fabricated needn't be elaborate. For the AMC TH400 during these years does not have a case which is compatible with the GM engines. Denting and especially cutting of the firewall looks quite terrible and will take away from the great look of your new engine. Included is the information needed to plan for a great and most affordable process. As a general rule, if the brakes were good before the swap, they will probably adequate after the swap. These transmissions do place the shifter stick through through the floor in a postion that is further forward than the native port. Though more intended for those towing or getting into some rowdier off-roading, the Turbo 400 can be a good option. These latter pumps are designed to push fuel, not pull it, and at pressures ranging from 38-65 PSI for multi-point injections systems. Stage II XJ's were upgraded to New Process' new NP231 part-time transfer case or the part/full-time NP242 in 1987. T15: If your Jeep has the T15 three-speed, it is a good, strong option. However, do consider that these are heaver trucks and need a bit of motive power. Radiator clearance; your choice of water pump and fan (mechanical or electric) will establish your envelope here. External pumps of the same ratings are available and are self-cooled by being built into heat dissipating aluminum housings. This topic generally covers throttle, clutch release and transmission & transfer case shifter systems. This popular rear mount is strong and easy to set up with any Jeep swap, including the XJ. The XJ was released with two available engines; one being the AMC 2.5L, carbureted four-cylinder with 105 hp. The power, reliability, fuel economy are nothing short of astounding as compared to the former I6. It will be little news to most readers that the factory radiator will not work with a conversion engine both in terms of cooling capacity and outlet location. (incl. Their nominal estimated, accessory loaded weights are: Engines you may replace these with may include: Numbers aside, if you are replacing an I6 with a V8, use a front spring that is rated for the I6. The Jeep XJ series can be classified into these major design stages: With the change to the 4.0 engine, the engine bay of the Stage II Jeep XJ was changed in 1987, including small changes to the firewall, inner fenders and most significantly the front clip. Since GM injected powerplants are usually more efficient engines, fuel volume would probably not exceed that of the 2.5 & 4.0L, and would certainly not exceed the OEM pump’s volume capacity. Many XJ's are destined for more hybrid or even hard trail use and some individuals will be choosing manual shift, heavy-duty truck four speeds to place behind their GM powerplants. That is why this page is here. It is possible to adapt the factory, AMC style TH400 (1974-1979) and the factory, AMC style TF727 transmission to Chevrolet Gen. I-II and GM Gen. III+ engines using Novak's #374 series adapter assemblies. You need four or five key things:The engine (don't let the obvious escape you). Typical rear sump oil pans on Gen I-II engines are ideal and ready for successful installation. As such, you can usually source your engine from a GM truck, SUV or car without failing your emissions certification. It is a fairly strong transmission, but be cognisant that these trucks are heavier and increased V8 power can strain the T90, depending on your usage. For fuel injected swaps, you should know that the engine and its PCM are largely self-supporting. Adapting this transmission to a GM bellhousing is not difficult. Garner the services of a local exhaust shop to help you put together a clean, safe, easy flowing exhaust system and one in accordance with your local regulations. The Vortec V6 is an option, especially the later versions whose torque and horsepower numbers put a few V8's to shame. However, some truck versions of these engines have taller accessories that may interfere with the XJ hood and require reconfiguration. Fuel pumps have evolved from low pressure (4-12 PSI) mechanical, engine mounted units for carburetors - good at pulling fuel over a distance - to medium pressure (13-18 PSI), electric in-tank pumps for throttle body engines, to high pressure, electric, in-tank pumps. The Dana 20 is among the greatest transfer cases of all time. An in-depth discussion on this topic is covered separately, here. A TH350 automatic that is very easily and compactly joined to the Jeep transfer case. Read about them here. No two swap combinations are ever exactly the same, but an understanding of the principles and parts involved will take any thoughtful installer a long ways. The XJ Cherokee was the first Jeep with unitized body construction, coil spring and track arm front suspension and a set of road manners that made it a broad hybrid. Later, Stage II and Stage III packages included the Limited, Country and Sport levels. Don't even think about it. SM420: For the old-school, ultra low geared crowd, the SM420 four-speed manual transmission is a great choice. This consists of loading the engine with all of its accessories, including the exhaust manifolds. The accessory package and its brackets. Usually the low pressure (return) line can be cut from hose stock and secured with the use of hose clamps. Hello! Driveshaft modifications are usually inexpensive when performed by driveline, RV or tractor implement specialists. The installer must run a header that is fairly tight fitting. More Generation III engines use a throttle-by-wire, in which case you will use the GM pedal, and connect the wiring as per OEM. You will retain the factory Jeep power steering gear. See this one here. Many FSJ's are destined for more hybrid or even hard trail use and some individuals will be choosing manual shift, heavy-duty truck four speeds to place behind their GM powerplants. Choice of air cleaner and air induction tubing is also an issue here. Novak started swapping V8 engines into XJ Jeeps a few years ago and setting up a cooling system was a stifling challenge. Car engines may burn cleaner and may be more affordable as well. The high-hood Jeeps actually have a generous engine bay height envelope but you should still avoid mounting the engine too high for the sake of tunnel-to-transmission clearance and overall center of gravity. These companies make some great engines, but you have to pick your battles when doing a swap and going with a well supported, well documented, easily acquired and broadly familiar powertrain is a key to success and satisfaction. Axles are generally out of the scope of our work here at Novak, but there are plenty of companies that deal with them to be of assistance if you feel you must upgrade them as part of your conversion. Lv 4. Most factory transmission and adapter combinations to the 231 (or other transfer cases) vary. One of our first XJ conversions, this Jeep had enough get-up-and-go to widen our eyes. However, the ability of the Jeep's brakes to bring things to a safe halt may be below what it should be. New driveshafts are an option but seldom a requirement in regards to the actual successful conversion. They are typically low profile and can easily be redrilled for a new transmission mount unit. If uninstalled correctly, most of this harness will be intact and not needing any splicing. • The NP207, NP231 and NP242 transfer cases are adaptable to the TH350 by using our #131 series adapter kits. Chevy Small Block V8 (Gen. Even your wife!Buy and Sell Group Its strength, quiet operation, compactness and longevity are a few of its virtues. While it is true that one can install LS intakes and accessory packages and pulleys onto any of the Vortec engines, this is an advanced project and a potentially expensive one. The Jeep FSJ's featured the very widest variety of transmissions: Jeep has usually excelled in its transfer cases. The installer's responsibility is to just install the mounts and engine as intended. Even the Big Block and Diesel engines should not affect the front springs much differently than factory engines. 0-60? We at Novak have fielded many a sad call from people who have tried it hoping for a much easier conversion, further supporting one of our leading maxims, that "Jeep parts are often the hardest parts to swap into Jeeps. As such, it is often that driveshaft lengths will need to be changed to accommodate the swap. 4L60E: The new and most refined version of the 700R4 is the 4L60E, and is a great candidate as well, especially when installed with a Gen. III GM engine and PCM (Powertrain Control Module). What problems can I run into if I decide to try this swap? As discussed in this guide, further and more deeply detailed information comes with Novak adapter assemblies, engine mounts, radiators and other components. The sky is the limit with the FSJ Jeeps. It must be noted here that the accessories package on the engine is important in XJ swaps. As with many aspects of a swap, this can be a simple as the installer would like it to be. The generous cooling area provided by Jeep for these models is terrific for these high-powered engines. SM465: Newer and a bit more refined than the SM420 is the SM465, for an only slightly less low geared transmission. However, we feel that the fear of emissions by swappers is very overblown. The Full Size Jeeps (FSJ's) are among the most noble and impressive the the Jeep vehicles, and they have become some of the most sought after and treasured Jeeps of all. In fact, it is seldom as difficult as perceived, especially when working with GM power. While the XJ has a relatively narrow window in which to run pipes, and a transfer case to dodge as well, you can run dual exhaust. Some of our customers, fearful at the perceived expense of new or modified driveshafts, attempt to let the existing driveshafts dictate engine, transmission and transfer case location, sometimes to the detriment of the project. These radiators are for later FSJ Jeeps. Our engineered. Well. All factory steering components are retained, including the power steering gear, drag link and tie rod. New driveshafts are an option but seldom a requirement in regards to the actual successful conversion. These transfer cases remained through the 2001 model year. The computer PCM or ECM that controls the motor (and possibly the automatic transmission) combo). If you are installing a Generation I-II Chevy engine, the placement process works by top-down engineering. Novak's KryoFlow radiator for FSJ Jeeps and GM Gen. III+ engines is ideal. Though some of these following transmissions do not offer overdrive, many Jeeps with larger tire sizes and proper axle ratios will still allow for a respectable freeway cruising RPM. Fuel injection (especially GM fuel injection) is much easier to work with than too many people think. Most installations will require the engine to be offset 1" to 1-1/4" towards the passenger side. Shorter water pumps and electric fans offer the greatest clearance. As with many aspects of a swap, this can be a simple as the installer would like it to be. I am trying to find an engine that will fit into the 89 Jeep Cherokee automatic I have checked the local junkyards the closest model I can find is a 2001. 1981 American Motors Concord Base 4.2 Engine 1981 American Motors Concord DL 4.2 Engine 1981 American Motors Concord Limited 4.2 Engine The shorty, block-hugging style is the best bet. A simplistic but fair summary would state that a 1955 Chevy 283 and a 2004 LS1 have the same basic wiring requirements; power to the starter when it is required, power to the distributor (or coils) when needed. More Generation III engines use a throttle-by-wire, in which case you will use the GM pedal, and connect the wiring as per OEM. As nearly all modern Jeeps and GM engines use sheathed cable for throttle control. Individuals have been swapping GM power into Jeeps for decades and they still occur with frequency and great success. Many individuals upgrading their powertrains use the Jeep Dana 18 as a strong, gear-driven replacement to the QuadraTrac, as it features the same front and rear axle offsets as found in these QT equipped Jeeps. Additionally, our customers can speak with our Techs about the conversion being performed. This is not necessarily the case. #SK2X or #SK2XC shifter assembly. Like any electrical item, the computer needs power and ground, and a power distribution center (largely consisting of relays and bridges - you can keep the Jeep one!) A very clean way to ease the linkage installation process in terms of the transfer case is to use Novak's innovative #SK2X or #SK2XC shifter assembly. The battery needs power from the alternator to keep it charged. If you are running a TBI, TPI or Gen. III+ engine, you will also need to have O2 (oxygen) sensor bungs - typically one per bank - welded into the down pipes below the headers. With the four-speed no longer being available, the Peugeot BA10/5 manual five-speed was the only (fairly pitiful) option in the XJ in 1987-1988. However, economy and sensibility may be considerations here. There are only three major places a powertrain needs support and mounting. To clear some engines, it may be necessary to use a powerful and more compact hydro-boost system. • The NP207, NP231 & NP242 transfer cases are adaptable to the TH400 by using our #141 series adapter kits. The entire assembly can actually be loaded through the engine bay if manipulated carefully. The move to a cleaner, stronger, reliable, efficient, serviceable GM engine is one that makes its own good case. The Turbo 400 can be a good option. Our engineered engine mounts will put your Gen. I-II Chevy V8 or your Gen. III+ LS V8 in precisely the right location. The three major GM accessories that are native to the engine that you will install into your Jeep are the alternator, power steering pump and perhaps the air conditioner pump. The Stage II XJ received the AW4 automatic overdrive transmission with the I6 option. As nearly all modern Jeeps and GM engines use sheathed cable for throttle control. You can feed new, electronic Engine Temp, Oil Pressure, Tach and Speed gauges from the PCM if doing a Gen. III+ swap. Though some of these following transmissions do not offer overdrive, many Cherokees with larger tire sizes and proper axle ratios will still allow for a respectable freeway cruising RPM. The factory Dana 44 and AMC 20 rear axles can withstand very ambitious engines. Novak's #SK2X transfer case shifter assembly, #HCR3 Hydraulic Slave Cylinder Retrofit assembly, Adapting this transmission to a GM bellhousing. This is usually how the engine is shipped by the pros and it is salvage industry standard to include the above, with the exception of the accessories in some situations. The AW4 automatic is a stronger transmission, but its computer controls, funky shift points and overall quality when compared with the GM Hydramatics makes it a sub-par choice. 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. • The NP207, NP231 and NP242 transfer cases are adaptable to the TH700R by using our #171 series adapter kits. I need help with a list of parts required to swap a 4.7 into my 2007 Commander that currently has a 5.7. One of the primary goals here is that individuals have the information to choose smart, sanitary solutions that require a very minimum of invasive, unattractive or unreliable conversion work. Recommended Products ATK Engines Replacement 2.5L I-4 Engine for 87-97 Jeep Wrangler YJ, TJ, Cherokee XJ, Comanche MJ & Wagoneer They are typically low profile and can easily be redrilled for a new transmission mount unit. 1/2 ton axles are a bare minimum for the 800 lbs motor. One of the most fascinating powertrain conversion platforms among the Jeeps are those into the Jeep XJ Cherokee. A lift is not required for the Jeep to perform the engine swap, but may be done for reasons external to the swap. We've used multiple Jeeps, multiple engines and many installations to find the perfect locations.
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