Chassis: 1991 GMC Sierra C-2500 SLE Engine: 350 Chevy, 2-bolt mains, forged 11.5:1 Speedpro pistons Heads: Dart II Sportsman, ported and polished, Manley stainless valves, Crower rockers, stud girdle Intake: Weiand X-cellerator, Vortech blower, custom Spearco air/water intercooler Exhaust: Hooker SuperComp headers, 3 chamber Flowmasters, 2.5" pipes Ignition: Stock HEI distributor, MSD-6AL, Mallory ProMaster coil Carb: OHG X-400 CNG Mixer, dual OHG X-2 convertors, S&S primary regulator Fuel: 120-130 octane compressed natural gas (3000psi max) Tranny: 4L60 Computers: Reprogrammed GM C3, Elexor PL1000 Data Aqusition System Gauges: SS454 gauge pack plus Autometer SportComp Oil/Water/Boost, Banks Dynafact Inertial Dynamometer, 12 channel digital thermometer Fueltanks: Two 13x72 CNG Cylinder of America aluminum/fiberglass composite tanks
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