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Diesel Power Challenge 2019 Competitor Seth Kuntz - #DPC2019

Owner Says Being Well-Prepared Gives His Old-School Rig a Competitive Edge

John Lehenbauer
Jul 9, 2019
Seth Kuntz is a 24-year-old college student enrolled in the accounting program at Georgia State University. In addition to his studies, Seth is part owner of Kuntz Bros in Jefferson, Georgia.
"My interest in automotive and motorsports can be credited to my father's side of the family," Seth says. "My grandfather was a mechanic his entire life, and his grandfather started a Chrysler dealership that is still operated by part of the Kuntz family today."
Seth's focus on diesel engines came from a mutual interest he and his brother Sam share. They were drawn to the diesel industry by oil-burners' great potential to develop huge amounts of power and torque, while still being able to maintain efficiency and reliability. Another reason is in the engines' ability to operate using alternative fuels like biodiesel and waste oil.
Photo 2/19   |   DPC2019 Competitor Seth Kuntz Team
"We concentrated most of our attention on the Cummins platform since it is known for its ability to achieve all these tasks well," Seth says. The 5.9L Cummins 12-valve with the Bosch P7100 injection pump became the brothers' favorite platform because of its affordability and simple yet very capable/durable design. Seth goes on to say, "We spent seven years learning anything and everything about these platforms, with the last three years devoted to the racing and competition side of it."
Photo 3/19   |   DPC2019 Competitor Seth Kuntz Engine
Photo 4/19   |   DPC2019 Competitor Seth Kuntz Turbo
Seth says he and his brother caught the racing bug after buying one of Power Driven Diesel's AFC Live units to test on a 4BT Cummins (fueled by a P-pump) they planned to swap into a box truck. The AFC Live worked great, so they made a video that caught the attention of Power Driven's owners, who thought the use of the product was cool and provided a few products and convinced them to take the truck to the local dragsrip to see what it would do. That effort kick-started their business in September 2017.
"We're using the same approach for Diesel Power Challenge 2019 Presented by XDP. We built a truck that has the ability to win the competition without being a dedicated race truck and staying reasonably budget friendly," Seth says. "We believe we have spent money and time in all the right areas to produce a truck that can do well in all the segments."
Photo 5/19   |   DPC2019 Competitor Seth Kuntz Interior
Build Sheet
Year/Make/Model: '97 Dodge Ram 3500
Owner: Seth Kuntz
Hometown: Jefferson, Georgia
Odometer: 260,000 miles
Engine: 5.9L Cummins I-6, stock internals, ARP connecting-rod bolts and cylinder-head studs, fire-ringed head and block, Hamilton Cams 188/220 camshaft, ported and polished head, Fluidampr harmonic balancer, Power Driven Diesel Stage 2 Hybrid pushrods, Cummins 24-valve tappets
ECM Tuning: Power Driven Diesel AFC Live
Fuel: Power Driven Diesel Predator lift pump and 5x0.022 injectors, Farrel Diesel Service 13mm Street Mannered P-pump, Fair Valley Performance 0.120 injection lines, adjustable P-pump timing gear
Air: Holset HX40/HX60 compound-turbocharger system fabricated by Kuntz Bros, Power Driven Diesel Performer air filter
Exhaust: Custom 4-inch downpipe, MBRP 5-inch tubing
Transmission: 47RE four-speed automatic, 1,000hp Power Driven Diesel rebuild kit, full manual valvebody, Diesel Performance Converters billet quad-disc torque converter
Lubricants: Amsoil Dominator 20W-50 Competition diesel oil, Severe Gear 75W-140 gear lube, heavy-Duty antifreeze and coolant; Power Driven Diesel Power Torque ATF
Horsepower: 1,110 hp
Torque: 2,100 lb-ft
Tires: 245/75R19.5 Goodyear
Wheels: 19.5x7.5 American Force
Suspension: AirLift LoadLifter 5000 air springs, traction bars, steering crossbrace bar
Axles: Dana 60, Yukon Gear & Axle 35-spline shafts, Eaton Detroit Truetrac differential (front), Dana 80, Eaton Detroit Truetrac (rear), 3.55 gears

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