Hello Silaskarl,
You should give Bill Kondolay a call. I think you'll have all your questions answered and he'll probly mention some you haven even thought of yet.
From what I've read/learned here converter and VB are best done together as one is tuned to the other, but Bill would be the best source on this. His web site is DTT = Diesel Transmission Technology. Just do search on here for DTT or Bill Kondolay
Regards, Bush'
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93. 5 D250 4X4,HD Spring Pkg, Rancho 7000's, Rear Swaybar,Dual Shock Front Stabilizer,BD Injectors,31/2" Mandrel bent exhaust,16cm 'Hot End',Modest Pump Tweaks/Timed,K&N Air,Isspro Pyro,Tach,transmission Temp,Auto Meter Oil Filled Boost Ga. , 3:54's, 4 Speed Auto, Clubcab, Aftermarket Reclining Buckets w/ctr Drop Down seat/console, Black over Silver, 21psi,285-65R-16's,American Racing Clear Coat Mags, Amsoil 15W-40HD Marine,12,000 lb. Warn Winch,KC Spots. 101,300 Kms (63,000 mi's).