Manual 5 Spd W Overdrive Magazine

Manual 5 spd w overdrive magazine

No matter what denomination of automotive performance, modifications to vehicles must be made in order to allow vehicles to go faster, corner harder, jump higher, or cover more challenging terrain.

Manual 5 spd w overdrive magazine

Changing stock components to altered or completely different parts can essentially start a butterfly effect for any vehicle. These tires offer dramatically more grip than any tires offered when the Duster was purchased in As a result, after a number of hard launches, the Duster suffered a broken axle shaft in the rear end.

To solve the rearend weakness, a Dana 60 is installed in car. Before anything was removed we took measurements on the stock drivetrain and took photos so be sure and remember where the drivetrain sat and how factory electrical connecters were routed. Above left: Various parts were collected including the Cherokee donor transmission, transmission control unit, Cherokee electrical connections, Cherokee flywheel and hardware.

Above right: Removing the stock 32H transmission from the Wrangler is pretty strait forward and can be done in a couple of hours with the help of a friend or two. With the two transmissions side by side the size difference between the two is very obvious.

Why Drive When You Can Overdrive: Our TJ Gets an AW4 Overdrive Transmission

Above left: In order to mate the TJ transfer case with the XJ transmission the output on the transfer case has to be cut down or changed to the shorter Cherokee style. We chose to cut ours down, one person running the angle grinder while another slowly turned the transfer case yoke to turn the input shaft.

Above right: After the shaft had been modified we were able to mate the transmission and transfer case before installation into the Jeep. But after the brief moments of Modification Remorse pass, vehicles may continue to be modified in order to eliminate weak links and achieve greater performance.

Our Jeep TJ is no exception to the idea that modifications beget more modifications. The Jeep would have performed best with an aggressive ratio like 4. This job was relatively simple with a measuring tape and a square.

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Above: Once the shape had been determined lots of gussets were welded in to make it strong enough to mount the skid plate once again.

Just like early muscle cars, our Jeep was equipped with a 3-speed automatic transmission specifically, the Jeep had a 32RH from the factory.

List of Ford transmissions

Our Jeep was equipped with 4. Modification Remorse hit us hard as the Jeep became so much less streetable because of our big tires. We were unwilling to give up the large tires and hurt off-road performance so it became clear that the transmission would need to be changed for a unit with a higher final drive ratio.

With the problem evident we sought out to find out what transmission would be the proper replacement.

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The six cylinder Jeep TJ Wranglers were offered with either manual transmissions, the 3-speed automatic that we had, or a later overdrive transmission the 42RLE. It seamed the 42RLE would be the obvious choice since it had overdrive and was offered in the same model of Jeep, but it became very apparent from research that the 42RLE is a weak transmission, prone to failures of all kinds and really not an ideal choice for our build.

Gear Vendors offers aftermarket overdrives for your existing transmissions

Above left: Once the crossmember had been painted it was ready to hold up the drivetrain once again. Installing the new transmission was pretty start forward.

Manual 5 spd w overdrive magazine

Just make sure the torque converter is fully seated before it is bolted up to the motor. Ask us how we know.

5-Speed Manual Transmission with Overdrive?

Above right: With the drivetrain in its home, drive shaft measurements were taken and sent off to be made. The rear driveshaft is about as short as can be made but angles look good so we are happy. Above left: Once the nuts and bolts were tightened attention was turned to the electrical work.

Above center and right: Armed with a soldering gun, multimeter, and a razor blade, wires on the stock ECU were exposed so the Cherokee transmission wires could be grafted in. Manuel transmissions have been standard in the off-road market for decades but again there is a major flaw, stick shifts require the use of very low-geared transfer cases in order for the vehicle to be able to travel slow enough to handle challenging terrain. We knew that the rock trails our Jeep regularly enjoys would ruin a clutch and break drivetrain components in no time without a greater low range.

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The build budget simply did not have room to purchase an Advanced Adapters Atlas, Stak, or a Teralow transfer case that could provide the needed mega low range. The AW4 has long had a reputation as an extremely stout and reliable overdrive transmission amongst Cherokee owners.

Manual 5 spd w overdrive magazine

This transmission seamed like the perfect candidate for our TJ swap. So far the overdrive transmission swap has been a complete success. We only wish we had done the swap years ago.

FORD Application Guide 2-Wheel Drive 5 Speed Automatics

While we may have had Modification Remorse for our big tires we have had nothing but good results from the new transmission and we plan to keep on modifying the Jeep from here on out to get closer to the goal of a King of the Hammers ready, daily driving TJ.

Above left: A multimeter was used to check wires for continuity and then pin-test the numbered wires on the factory ECU. Above right: After several miles of road testing to get us comfortable with the transmission cooling lines and wiring, the Clayton Offroad skid plate was reinstalled and we headed off to see this transmission in action.

Manual 5 spd w overdrive magazine

Luckily waves don't have a throttle or steering wheel so his attention was devoted elsewhere. Kyle can nearly always be found looking for a way to go faster, or get over an obstacle just a little bigger than the last.

Because he wasn't a trust fund baby he has spend years working on his own vehicles to keep the excitement going.

Manual 5 spd w overdrive magazine

This is a great write up. Been considering the change from the 6 speed rubicon everyone wanted to the 42RLE I should have got. They say that conversion is very hard due to the electronics. I have a Rubicon.

Re: 5-Speed Manual Transmission with Overdrive? (hawc)

Wonder if the AW4 would work in it or will electronics get in the way? Good question! Please email our off-road editor at kyle. Hey Matt, So far as I know nobody has done an aw4 swap from your model Rubicon.

The three speed auto I had was the last of the mechanically controlled automatic transmissions, Other guys swap from manual transmissions to the AW4 which of coarse manual transmissions are also mechanically controlled. SO in that respect you should be able to pull it off, The only unknown is what electrical differences your later model ecu will have compared the my early model Now with the aw4 swap there are also a number of different headaches to take care off, will need to build a new crossmember, tranny lines, you will need a new radiator for cooling purposes unless your radiator has the cooling ports that are just blocked off.

More than likely it will be far easier for you to just swap in the 42RLE because you can get all TJ factory parts to pull it off.

Thanks for the reply! Hello, I appreciate the article.

Manual 5 spd w overdrive magazine

It opened up a new method of modifying the AW4 to my wrangler. Do I need to do any wiring modifications if I am swapping the engine, transmission and computers? I can salvage anything I need from my donor 4.

Transmission Upgrades: The McLeod Muscle Car 5 Manual Transmission

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