Chevy 1 Ton 5 Speed Manual Transmission Swap. When youre building a truck to take off road, gearing is a pillar of performance. Low gearing for crawlingand turning big tires cant be beat, but if your truck also acts as a daily driver, then you may need both low end gearing as well as high speed overdrive options. We recently doubled our crawl ratio, took 2. TH4. 00 automatic and NP2. NV4. 50. 0 five speed manual and the new 3 1 Lo. Max 2. 05 transfer case see our complete Lo. HURST DRIVELINE CONVERSIONS TREMEC 5 SPEED, TREMEC 6 SPEED MANUAL TRANSMISSIONS AND CONVERSION KITS specializes in Tremec 5speed and Tremec 6speed manual overdrive. Dollarfor Dollar, pound for pound the T5 is the smoothest shifting, easiest to drive, and most reliable manual transmission for lightweight or moderate horsepower. DODGE 4Speed Manual Transmission Trucks. Speed Manual Truck. The np435 is a wide ratio 4speed. It has a granny low and so then just 3 normally usable ratios. Max story, 3 1 Low Gears for an NP2. Jan. 0. 7. After swapping out the automatic transmission we also found more performance out of our underpowered V 8 diesel by eliminating the fluid coupler of the torque converter and replacing it with a direct drive clutch system. Putting a manual trans behind an underpowered engine is a great way to wind a few more ponies from it whether its a tired diesel or an anemic four cylinder. Our test mule for this swap is our 8. Chevy 1 ton known. The truck is an all around workhorse. As much as we like the truck, the sparse interior and rattling diesel made for annoyingly loud road trips, and an overdrive would reduce the engine revs as well as giving us a mileage benefit. Off road weve been very happy with our automatic, but sometimes felt that having the ability to drop the clutch for an aggressive holeshot launch would have given us that extra momentum to get moving through a deep mud hole or up a steep climb we couldnt just crawl. By hooking up with the crew from Gear Tech Heavy Duty we quickly had everything needed to swap our truck from three speeds to five and from two pedals to three. Gear Tech HD specializes in drivetrain parts from transmissions to axles, and its manual transmission swap kit included all the bits so we had no need to go crawling around a junkyard hunting parts. This of course was helped by the fact that our model truck was originally offered with a manual, but never with the five speed tranny so some innovation was required. As this goes to press the project is being buttoned up, so head over to our Web site www. Man Plan. Rather than swap in a lesser starter, Randy took some time with a grinder to carve out the aluminum bellhousing. Were sure we could have spent hours at the local parts yard searching for a diesel bellhousing, but by covering everything with rags and taking our time we soon had the clearance we needed. In addition to the overdrive gearing of the NV4. Lo. Max 2. 05 transfer case from JB Conversions. By replacing the factory NP2. L/Y/00000YYL.png' alt='5 Speed Manual Transmission Overdrive' title='5 Speed Manual Transmission Overdrive' />Furthermore we gained low range in two wheel drive, went from an aluminum case to cast iron, and eliminated the transfer case slip yoke. We may get some gear noise by replacing the chaindriven 2. Lo. Max 2. 05, but that is a sacrifice we are willing to make for the strength gain. Additionally, overall length is reduced from 1. Our mockup with the transfer case found some more speed bumps. The exhaust from our Banks Turbo wanted to occupy the same position as the Lo. Max 2. 05. Sawzall to the rescue. The factory crossmember and the front output got into a little dispute, and though we had already modified the crossmember with an additional 14 inch plate to raise the tail of the transmission, it still wasnt going to work. Speed Manual Transmission Overdrive' title='5 Speed Manual Transmission Overdrive' />Rebuilt RTS 4 Speed Overdrive 31 1. This transmission is called an RTS. The RTS transmission is an alternative replacement as a heavy duty transmission with overdrive for D 1. D 2. 0 transfer cases. It can be used in conjunction with a  WARN style OD as well. When used this way, the RTS gives a 4. RPM. It is a heavy duty transmission originally installed in Ford pickups and Ford Broncos. It has an aluminum case with an aluminum shift tower with a cane shifter. The RTS has large heavy duty bearings, is completely rebuilt and comes with an adapter for a D 1. D 2. 0 transfer case. Download Netsh Routing Ip Nat Install Windows 7. This transmission is a good replacement for the T 1. V 6. This application requires a special adapter and pilot bushing to bolt to the GM bellhousing which is available separately 2. The RTS is also a direct replacement for the T 1. CJs that bolts direct to the 2. V 8 with the D 2. The RTS is also adaptable the the 7. V 8 with the changing of the bellhousing with the D 2. Gear. 3. 2. 5 to 1. Gear. 1. 9. 2 to 1. Speed Manual Transmission Overdrive' title='5 Speed Manual Transmission Overdrive' />Gear. Gear. 0. 7. 8 to 1. Reverse. 3. 2. 5 to 1. The history of the RTS Overdrive Transmission we use.