HVAC, was the 633hp on propane & nitrous? Next time you dyno your engine, I would like to hear a sound file of your dual turbo setup. Please update us all as you assault the 700hp barrier and good luck.
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1999 White SLT Dually Auto 4:10 Posi. NOT BOMBED... ... ... ... (very much) 28,000 miles
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1999 White SLT Dually Auto 4:10 Posi. NOT BOMBED... ... ... ... (very much) 28,000 miles