performance,

  • Six-speed GM 6L80 transmission expanded options available!

    We are proud to announce there are more options on the popular GM 6L80 transmission option that we offer here at Mr. Diesel & Auto Repair in Cheyenne through our partner JASPER Engines & Transmissions.  Since its release in 2011, the JASPER re-manufactured GM 6L80 has been a popular transmission for replacement and performance enhancement purposes.  Now, the lineup of compatible engine replacement vehicles has been greatly expanded, to include a much larger list of applications. The GM 6L80 is currently available for these additional vehicles:

  • Jasper Pref
  • 247towing
  • 24-Hour Dropoff
  • Acdelco
  • Air Lift Tow and Haul
  • Ari Fleet
  • ASE
  • B&W Trailer Hitches
  • BG Products
  • Bosch Automotive
  • Bully Dog
  • Cummins Diesel
  • Customer Savings
  • Diamond Eye Performance Exhaust
  • Duramax Diesel
  • Enterprise Fleet
  • FASS
  • Fleet Services
  • Flo Pro Performance Exhaust
  • Flowmaster
  • Ford Power Stroke Diesel
  • iATN
  • Loaner Car
  • Magnaflow
  • Magnuson
  • MBRP
  • Motorcraft Parts
  • NFIB
  • Pet Friendly
  • Radiator
  • Reese Hitches
  • Sinister Diesel
  • Synchrony
  • Tech-net
  • Valvoline
  • 24 Month Warranty
  • Welding
  • Wifi Available