15 To finish off the internal assembly, the TCS Products billet input shaft is slid into position, making sure that proper spline engagement is achieved. 12 Tidwell then lowers the drum and clutch assemblies into the case, carefully aligning them with the output shaft and clutch discs in the case.ġ3 & 14 Then he installs the final clutch set as well as the pump assembly. 11 The 5R110 uses a healthy-sized planetary gear set from the factory so it’s reused in the DTS street build. 10 Before the drums are installed, precise measurements are taken and adjustment shims are installed as needed or parts are machined to make sure that everything is built to tight operational tolerances so that the parts do not prematurely wear. After the case parts are cleaned, they’re painted and assembled after the paint cures rather than assembled and then painted over the hardware and bolts as some shops do with their rebuilds. They completely disassemble the transmission down to the bare case and wash all the components including the mounting hardware in a high-temperature industrial parts washer to start with a clean foundation before the rebuild. 9 Then after flipping the transmission on the stand he begins loading the clutches and steels into the case.įor those who are making more power and want to race or sled pull on a regular basis or are just plain harder on their trucks, Browning recommends the DTS entry-level/street 5R110 build for trucks up to 800 horsepower. 8 Tony Tidwell installs the tail housing after it’s been painted and cured. 7 The pump assembly is modified to provide additional line pressure to give the clutches more holding power. It also features better machining at the weakest point where the splines meet the shaft (see arrows) to reduce the possibility of breakage at the abrupt factory transition. 4 While this clutch pack uses the same number of clutch discs, they’re replaced with the better quality Alto clutch discs and Kolene steels shown on the left.ĥ & 6 The TCS Products input shaft on the left is machined from stronger 300 Maraging billet steel to resist breaking. 3 By machining the top plate on the left, DTS is able to use more clutches in this pack as well, ultimately allowing the transmission to hold more power in each gear without slipping the clutches and burning them up. DTS replaces them with five Alto clutch discs shown on the left. 2 In this case, the three factory clutch discs on the right show signs of slipping and burning. Subscribe Our Weekly Newsletter 1 You can see that the factory clutches on the right are in decent shape from this transmission but the new clutches on the left are stronger and DTS uses more of them for better holding power. But eventually the power will be just too much for the stock clutches to handle and it will begin to slip and burn the clutches. If you’re good to the transmission, not overheating or overloading it and maintain it properly, it can last for years at power levels approaching 500 horsepower, he added. But if you tow heavy, race or sled pull regularly or do crazy stuff like neutral-drops to show off for your friends, the transmission will not last long at all. By that he means that there are people driving around in trucks approaching those power levels on stock transmissions that are working just fine. Both DTS and DPC build and ship components all across the country so even if you’re not local to Georgia you can have them build for your project it will just require some shipping coordination.ĭTS owner David Browning tells us that a stock 5R110 that hasn’t be abused and overheated can handle engines making up to 500 horsepower, but that at that level they’re living on borrowed time. While in Georgia we also stopped by Diesel Performance Converters (DPC) in McDonough to see what goes into their performance torque converters for the 5R110. To find out what goes into building a stout 5R110, we made the trip down to Monroe, Georgia, to visit the crew at Diesel Technology Source (DTS) and watch them build what they consider their entry level performance transmission. But like anything else that’s stock, there’s always room for improvement to handle bigger power output. The 5R110 transmission from Ford has backed both 6.0L and 6.4L Power Stroke engines and is generally considered to be a pretty decent transmission. No matter how much power your truck makes, it isn’t any good unless you can put that power to the ground. Diesel Technology’s Right Parts For The Job
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