Some of the most amazing power combinations we've seen during the past year were under the hoods of our Diesel Power Challenge competitors. Here's a look at the high-horsepower setups that were used during our competitions.
'05 Dodge 2500
Owner: Steve Alex
Horsepower: 626
Engine: Cummins 24-valve common-rail
Programmer/chip: TST, PPE downloader
Intake: Custom
Turbos: Two Dynomite Diesel Compound
Injectors: Extrude-honed Dynomite
Nitrous: None
Exhaust: 6-inch
'04 Ford F-350
Owner: Robert Cook
Horsepower: 521
Engine: 6.0L Power Stroke
Programmer/chip: SCT
Intake: AFE
Turbo: ATS Aurora
Injectors: ATS 275s
Nitrous: NOS dry kit
Exhaust: Brighton Radiator 5-inch to 6-inch stacks
'02 Chevy 2500HD
Owner: Nick D'Amico
Horsepower: 721
Engine: LB7 Duramax
Programmer/chip: TTS Power Systems
Intake: Airaid
Turbo: Stock
Injectors: Stock
Exhaust: 5-inch MBRP
Nitrous: Two stages
'00 Ford F-250
Owner: Mike Dillehay
Horsepower: 441
Engine: 7.3L Power Stroke
Programmer/chip: DP Tuner
Intake: AFE
Turbo: Garrett ball bearing
Injectors: Hybrid 530
Nitrous: Yes
Propane: Yes
Exhaust: MagnaFlow 4-inch
'04 Ford F-350
Owner: Tadd Layton
Horsepower: 708
Engine: 6.0L Power Stroke
Programmer/chip: Custom
Intake: AFE
Turbo: ATS Aurora 5000
Injectors: Stage V
Water/methanol: Yes
Nitrous: NOS
Exhaust: 4-inch to 5-inch with 6-inch stacks