ETH= 24v High output ISB only available w/6spd transmission
ETC=24v in all others
BD= Bully dog
DD=Diesel Dynamics
EZ, EZ Edge= Power Edge EZ Fueling box
PE Comp, PEC = Power Edge Comp . . Major fueling box, adjustable on th fly
DTT= Bill Kondolay at Diesel Transmission something or other
ROFLMAO=roll on floor laughind my a$$ off
TC= torque converter
BCFMS= blue chip fuel management system. .
there are many many more...