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Jonathan Ryan & Dave Armstrong are the the founders and owners since 2002 to Swamp’s Diesel... a professional ‘hard core’ diesel aftermarket performance parts provider.

Jonathan & Dave are ‘hands on’ owners who have a company that works with our customers to have the best performing parts and service provided to our customers at the best price for your BEST VALUE.

Email Jonathan for technical questions (ex. FICM's, IDM's, chip tunes), Jonathan@swampsdiesel.com, or Dave for estimates and general questions, Dave@swampsdiesel.com

  • David Armstrong
    • Title: Owner
    • Years Employed: 9
    • Hometown: Nashville, TN
    • Family/kids: Wife, son.
    • Truck Make/Model/Year: 2000 Ford F250 Extended Cab 6-speed manual.
    • Modifications: 200/200 hybrid injectors, Swamp's 66/74 turbo, South Bend OFE clutch, custom tuned chip, remote mount fuel filters and regulated fuel return.
    • Truck Make/Model/Year: 2000 Ford Excursion.
    • Modifications: Built transmission, 200/200 injectors, Swamp's Billet wheel, 71/74 turbo, H11 headstuds, Swamp's valve springs, chromely pushrods, custom tuned chip, remote mount fuel filter and regulated return.

  • Shawn Sutphin
    • Title: Shop Technician / Engine Room
    • Years Employed: 7
    • Hometown: Rocky Gap, VA
    • Family/kids: Wife
    • Truck Make/Model/Year: 1994 Ford F-350
    • Modifications: Baby swamp 150/146 injectors, electric fuel system, 3" down pipe and 5" exhaust

  • Jonathan Reed
    • Title: Shop Technician and Shop Service Writer
    • Years Employed: 1.5 years
    • Hometown: Nashville, TN
    • Family/kids: Wife and the baby is on its way...
    • Truck Make/Model/Year: 1999 Ford F-250
    • Modifications: Hybrid injectors, 5" exhaust, turbo, head studs, valve springs and push rods
    • Hobbies: Hunting, fishing and 4-wheeling

  • Chey Engel
    • Title: Shop Technician / Injector Room
    • Years Employed: 1
    • Hometown: Coldwater, MI
    • Truck Make/Model/Year: 2004 Ford F-250 6.0L
    • Modifications done: H11 head studs, gauges, EGR Delete, Swamp's FICM, SCT custom tuned chip, 4" exhaust and 6" lift.
    • Truck Make/Model/Year: 1996 Ford F-250 7.3L
    • Modifications: Swawmp's Baby injectors, Swamp's 6-position chip, Luk clutch, 4" life, 4" exhaust, air intake and gauges.
    • Hobbies: Hunting, fishing, paint and body work.

  • James Walters
    • Title: Injector Technician / 6.0L Technician
    • Years Employed: 1
    • Hometown: Houston, TX
    • Family/kids: Fiance and the baby is on its way...
    • Truck Make/Model/Year: 1995 Ford F-250 7.3L Extended Cab
    • Modifications: Swamp's Baby 150cc injectors, TS 6-position chip, built transmission and 4" exhaust w/downpipe

  • Wilson Christopher Cook
    • Title: Injector Room Head Technician
    • Years Employed: 1.5
    • Hometown: Springdale, AR
    • Family/kids: Brother, Sister, Wife
    • Truck Make/Model/Year: 2002 Dodge 2500 24 valve
    • Modifications: Quadzilla Adrenaline Programmed 100hp nozzles, F.A.S.S. 150 fuel system, 4" down pipe w/5" exhaust to a 6" Aussie stac, three gauge pod w/Auto Meter gauges, Goerend Brother built transmission w/Billet input shaft, lowering kit in the front and steering gear box stabilizer
    • Hobbies: Playing golf, video games, hanging out with family and friends, riding four wheelers and having a good time

  • Jody Durrett
    • Title: Injector Room Technician
    • Years Employed: 1
    • Hometown: Portland, TN
    • Family: Wife and twins on the way...
    • Truck Make/Model/Year: 2007.5 Dodge Ram 3500 Dually 6.7L Cummins (515 RWHP / 1100 Ft. lbs)
    • Modifications: South Bend 3600 dual disc w/upgraded hydraulics, 5" turbo back to 6" flat top black stack, 60% extrude honed nozzles, ported and polished head, fire rings, H-11 headstuds, Air Dog 150, Wicked Diesel Arson jr., shimmed fuel release, Glacier Diesel grid heater delete, Shibby engineering "boost tube", EGR delete, N-Fab side steps, JVC head unit, MB Quartz 6" components w/tweeters, 10" JL Audio 10W7 in custom box and JL Audio 500 amp
    • Hobbies: 4-wheeling, guns, welding/fabricating, video games, movies, music, fishing and hunting

  • Matt Vozar
    • Title: Mechanic
    • Years Employed: 3.5
    • Hometown: Murfreesboro, TN
    • Family/kids: Wife
    • Truck Make/Model/Year: 1999.5 Ford F-250 4x4 Extended Cab
    • Modifications: 175's injectors, regulated return, fuel system, wicked wheel, 4" exhaust, BHAF, billet dayco and transgo shift kit.
    • Hobbies: 4-wheeling

  • Johny Farrow
    • Title: Engine Department Head
    • Years Employed: 6
    • Hometown: Jackson, MO
    • Family/kids: Wife, son
    • Truck Make/Model/Year: 2003 Ford F-250
    • Modifications: Turbo, injectors and Southbend FE
    • Hobbies: 4-wheeling

  • Casey Willand
    • Title: Injector Room Technician
    • Years Employed: Newbie
    • Hobbies: Hunting, fishing, school at NADC and rebuilding old cars/trucks

  • Dan Morin
    • Title: Shop Technician / Transmission Specialist / Fabrications / Tuning
    • Years Employed: 2
    • Family/kids: Wife
    • Truck Make/Model/Year: 1997 Ford F-350
    • Modifications: 400/400 injectors, hot IDM, Swamp's chip and Swamp's built transmission
    • Truck Make/Model/Year: 1996 Ford F-350
    • Modifications: Swamp's built transmission, Swamp's chip and hot IDM
    • Hobbies: Hunting and guns

  • Seth Oakley
    • Title: Web Developer / Shipping
    • Years Employed: Newbie
    • Hobbies: Sports, computers, cars and music

  • Joel "Patrick" Cook II
    • Title: Sales / Shipping / Tech Support
    • Years Employed: 5
    • Hometown: Blytheville, Ar
    • Family/kids: Wife, 2 son and a daughter
    • Hobbies: Golf and duck hunting

  • James Listhartke
    • Title:Electronics Department Head
    • Years Employed: 1.5
    • Hometown: Murfreesboro, TN
    • Family/kids: 3 children, dog, birds, gerbil, chickens, fish and an occasional cat
    • Truck Make/Model/Year: 1991 Ford Ranger w/400,000 miles!
    • Modifications done: Just keeping it running :)
    • Hobbies outside of work: Work out at YMCA, hobby farm, gardening, photography and spiritual studies