In a few weeks I will be doing alot of upgrades, all of the transmission work is scheduled to be done here in a few days, 91% Converter, Race Valve Body, and the update kit, all from DTT. Gauges, custom fuel system, and new injectors are scheduled for two weeks. I want to go with the Bully Dog step 4's, but I know my factory Turbo can't handle it. I can't afford the B-1, or twins yet. I'm looking at both the HX-35, or the HX-40. Any suggestions, or comments? I appreciate your help.