First off, the Trans-Go Jr. kit was used for a time by BD however, it was found to be marginal at best... and that's whitewashing over it's drawbacks. Trans-Go then released a newer TC enhancement kit called the TFOD Diesel shift kit. This kit seems to work well however, several transmission places I know of have experienced problems with duplicating results from vehicle to vehicle when modifying the VBs with the TFOD Diesel shift kit. In addition, Bill Kondolay (of DTT) developed the BD modified VB while he was working for BD... BEFORE Trans-Go came out with their TFOD Diesel shift kit, even though there are many similarities.
I had the BD modified VB and it worked very well. I later went to the DTT custom tuned VB and it performed even better, with features the BD VB does not have. The best part about the DTT VB is that it is custom tuned to the selected DTT TC, plus driving, towing habits of the owner, based on customer input (DTT refers to this as a profile).
As for torque converters, there is NO COMPARISON to the DTT TCs, they are simply the best, period. (... and I have driven many of both). The efficiency created by DTT's patented, trick steel stators make the lockup event ho-hum instead of a much anticipated event. Why? The efficiency of their TCs is the secret. With a DTT TC you are transfering much more power to the ground when in fluid coupling... I believe Bill told me that it is actually 40% more than any other TC on the market (including the one BD advertises as being "95% efficient"). As one TDR member reported, before and after G-Tech dyno runs revealed that he gained (actually, gained back) 26 HP based on his DTT TC and VB upgrade. That's impressive!
Why take my word for it, find someone near you that has had a DTT transmission upgrade (TC and VB) and drive it and see for yourself.
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..... not trying to trash anyone, just trying to get the facts out (to the best of my knowledge)
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John Treibel
'98. 5 2500 QC 4x4 Sport, Glasstite Vision II, 285 BFG A/Ts on M/T Challengers, Warn 4X Boards, Mopar fender flares & tow hooks, NW Custom s/s-rubber mud flaps and accs. , Mag-Hytec diff. cover & trans. pan, Edelbrock IAS shocks, Reese Titan V hitch, SPA gauges (3), Dynamat, '00 Sport grille and headlights/PIAA Super White bulbs, PIAA Dual Sport 900 aux. lights, BD exh. brake, Amsoil Dual Remote Bypass, Optima Yellow Tops, DD3s and DD TTPM, Aeroquip AQP braided s/s fuel hoses, Banks High-Ram intake manifold and 14 cm2 turbine housing w/Big Head wastegate actuator, ATS 3-piece exh. man. , Banks 4" dia. s/s exh. sys. , DTT 93% TC, DTT custom tuned VB, BD modified trans. front pump (enhanced by DTT), Air Bulldog induction hood (with NACA ducts), plus MANY other trick modifications
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