Custom Diesel Tuning for your Duramax, Powerstroke, or Cummins Diesel Truck.

Monday - Friday

9:00am to 5:00pm PST

Phone:

702-934-4010

Email:

Tech@dyncal.com

HQ (by appt only):

4894 Sparks Blvd.

Sparks, Nv. 89436

Please use this form for all tech support issues, order information, or general information.

This is the best method to track your support case if you are needing tech support. Using the form ensures we get the info correctly and immediately.  We will update/respond to you via email provided within 24 hours of form submission. Again, this is the BEST method for support issues or order information. Thank you!