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The Cummins diesel torque at the 1600-2200-engine rpm range challenges the transmission's clutch packs. You can improve the clutch holding power by resetting the hydraulic pressure but this can result in poor shifting patterns, setting of trouble code lights and heat build up.
The only transmission that can boast about being a full roller bearing design. Stock and other transmission rebuilders use thrust washers. This results in soft metal floating around your transmission and then eventually settles to the bottom of the pan. This metal plugs up oil pressure ports, excessive thrust bearing wear and short life. BD eliminates clutch slippage, reduces operating temperatures and increases the transmission life by adding 25% more clutch surface than the stock design. Only the best quality clutch material is used and heavy-duty band apply struts are installed. New electronic solenoids are tested and valve body control functions are set and tested. The BD valve body is built with second gear lock up and can be activated with a BD TorqLoc or AutoLoc.
Each transmission is tested on our transmission dynamometer.
Exchange transmission kits come complete with:
A BD PressureLoc kit that boosts line pressure when the convertor is locked up. A deep cast aluminum pan for increased oil capacity; improved cooling and better housing support.
A one year parts, labour and freight warranty through out North America. Extend you warranty to 3-years with our Extended Warranty Kit which includes a full flow oil filter.
For those of you just out to improve your 47RE or 48RE to the point that you can use more of the settings on your Smarty programmer, Edge, Bully Dog etc. consider adding a BD Torque Converter and Valve body. For added strength go for the BD Black Flex-Plate and for extra fluid capacity add the BD transmission pan. This set-up should handle anything you throw at it other than 4x4 launches at the drag strip and sled pulling competitions. If you are going to compete at the drag strip or the pulling competitions consider adding billet input and output shafts or upgrading to a full built tranny.
Many other BD Transmission products are available in our online store including manual transmission clutches, auxillary transmission coolers, in-line transmission filter kits, overdrive Lock-Out for '05 Dodges and torque converter lock-up controllers for use with BD exhaust brakes. BD Diesel Performance transmissions hold their own against other brands including Suncoast, ATS, Goerends and NADP.
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