We also produce a few adapter housings that retain the stock metric fasteners. Muncie 4-speed Transmission Group 4. As we started looking into the various applications, we soon realized the numerous configurations the twin stick kits would have to have. Pull reverse shifter shaft to left side of extension certain the notches on the fourth speed synchronizing and rotate shaft to bring reverse shift fork forward ring correspond to the keys in the clutch assembly fig. Gary, thanks for the explanation. The adapter material is 356 T-6 heat treated aluminum alloy.
If you are using an adapter that requires the relocation of your transfer case, a new hole through the floorboard will be required for your transfer case linkage. Everything is included to reseal a leaking transmission. There are three different models of this transfer case; however, the differences are very minor. See the complete line of products that we offer at. These new requirements led to the demise of the Muncie and the reintroduction of the improved T10 called the Super T10.
Early Muncie side covers had a stud and the shift arm attached with a nut on the stud while the 1969 and later model side covers had a hole and the shift arms attached with a bolt. The adapters we carry for this transfer case are designed around replacing the A442F automatic transmission only. On some of the newer transfer cases, the adapter kit will sometime reuse the stock locknut that was originally equipped on the transfer case. The M22 transmission has a 20 degree helix angle on the gear set as opposed to a 45 degree angle found on the M20 and M21 and were made with a higher nickel alloy. The 3 speed linkage pivot was closer to the front of the transfer case than that of the 4 speed. We have include information on how to identify individual transmissions, application information, model year, detailed kit and part availability by transmission type.
Before final engine and drivetrain locations are set, we recommend test fitting your transfer case linkage. You must specify which pin you need when purchasing. The main difference between the Muncie and the Borg-Warner is that the Muncie has a 7-bolt side cover and the Borg Warner has a 9-bolt side cover. The gears and spacer will all be reused, but the old rear nut and washer will need to be replaced items provided in kits. We do not recommend the pivot location be installed on the engine. The M21, M22 transmission adapters we manufacture will normally require the installation of a new output shaft. We have the best prices on Muncie 4 speed parts, including Chevy Muncie 4 speed transmission parts, and we can guarantee you a great selection of items extending from the or bushing to a complete replacement wide ratio or.
With reference to engine conversion kits, we have found that the Chevy V8 is the most popular. The photo right shows the proper assembly on one of our shafts. The choice of transmission was dictated by the engine size and rear-axle ratio. The reverse gears are helical cut and are located in the extension housing. This decodes to 1972 2 , March C , 25th, M21 B. The passenger side mount has been re-manufactured and will offer an ideal engine location without driveline modifications. The differences in these kits are mainly the shift handle configuration and the rod lengths that shift the Mode and Range levers on the transfer case.
Push or pull reverse shifter shaft to line up groove position and 1-2 sliding clutch sleeve into second in the shaft with the holes in the boss and drive in gear forward detent position. If this is the case with your shaft, replace it. When installing a different transmission, this mount may need to be relocated or replaced. The new case is exactly the same size and bolt pattern as the stock Land Cruiser transfer case, so no driveline modifications are required. The M-21 has a higher pitch angle on its gear teeth. It is unclear why there is the discrepancy.
This is generally caused by pilot bearing failure that generally damages the input shaft. Nuts that are reused could possibly loosen up after continual use. The transfer case low gear ratio was a 1. It also supplies information of steering upgrades, as well as reprint articles about converted vehicles. We have adapters for use with the original 3 or 4 speed transmissions, or optional truck-type manual or automatics. To simplify the transfer case shifter mechanism we have designed a new adjustable twin stick Land Cruiser transfer case shifter.
Install the reverse gear shift collar to rear. An example would be P2C25B. Some conversions require some welding or cutting for mounting of the engine. The shift handles are not painted to allow you the option to do slight modifications or welding if your kit requires such. Whichever of these three transmission types you're dealing with in your vehicle, you can expect to find a complete selection of Muncie M21 transmission parts, Muncie M22 parts and Muncie M20 parts, including Muncie M20 rebuild kits. The unit can be used to replace either the stock 3 or 4 speed transfer case.