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bsorro's avatar
bsorro
Explorer
Aug 25, 2014

Issues with 8.1 Vortex with Allison Transmission

Has anyone had any problems with an 8.1 Vortex with an Allison Transmission in a one ton truck.
  • Mine has 297000 +, normal wear and tear, but engine and transmission are purring along
  • We bought one of the first 8.1 3500 dually and it was great for 58000 miles when we traded for our 05. If fact it was like new. I say like new but 58000 miles is not new. NBS switch did go out as most did.
    chevman
  • You might want to be more specific. Engine trouble, transmission trouble or other trouble?

    Suggest you go to one of the Chevy truck forums for best information.