What to do before your dyno tune appointment

Follow the steps below to be prepared for your dyno session.

  • Full tank of fuel Premium gas only (93 octane)

  • Flex fuel and E85/race gas 

      • We have One R on site available to purchase (and can make accommodations for other fuels) You can also bring your own fuel with you.

  • Oil change

    • If you’d like us to perform one we can do this for you at the time of your appointment

  • New Spark plugs

    • we carry in stock 

      • Let us know when you book your tune if you’d like to add this to your quote

  • Check your tires

    • no bald tires, no cord showing, no plugs etc. 

      *If you are installing parts the day of your appointment, please do not install in our parking lot.

  • Identify any leaks or current problems

    Fix or talk to us about fixing prior to your appointment, we don’t want to turn you down the day of your appointment. 

        • Notify us of any codes - check engine etc. We understand you may not see everything this is why we perform our own inspection

        • If we are able to fix within reasonable time before dyno we will 

What to expect before, during, and after your tune appointment 

  • Before your tune

      • We require a $300 deposit to schedule your tune appointment. (new tunes only)

        • $300 deposit is non refundable  

        • Deposit goes towards your tune (not additional) 

      • Sign dyno waiver form 

        • upon arriving we will have you sign our dyno waiver and make you a copy for your records (see below)

      • Pre dyno inspection - Performed by Sleeper 

      • Ask questions and inform tuner of any known issues

  • 2.   During your tune

      • You can stay for your entire dyno tuning appointment (Bring ear protection, or we have one use ear plugs here) 

      • Follow tuner instructions during dyno time 

        • Be mindful of dyno, extension cords, fan 

      • Have fun!

  • After your tune

      • Our tuner will show you how to switch maps (if applicable) and utilize any and all map features. ie launch control, flame map etc.

      • The remainder of your balance will be due at this time. 

      • To avoid the 3% card processing fee (waived for deposit) you can pay by cash or check. 

        • *If paying by check reach out first so we can make sure you have the correct information. 

Sleeper Tuning Dyno Waiver, Disclaimer & Absolute Release

 1. As the “Customer” I hereby represent that I have read and completed the required procedures and checks and that I have full authority to authorize the testing/tuning of this vehicle and to enter into this Waiver/Release.

2. I am aware that all tests are intended to be and will be at maximum performance and at wide-open throttle, thus applying stress similar to that which the vehicle would experience during operation on the road/track and is therefore susceptible to the same risks as on the road/track which may cause engine, power train and/or tire/wheel failure or damage.

3. As the “Customer” I know and accept the risk of running my vehicle on the dynamometer.

4. As the “Customer” I hereby represent that I know the condition of the vehicle and I assure that it is in acceptable condition to run on the Dynamometer. I have been advised that Sleeper Tuning does not know, nor assumes any such knowledge of the condition of the vehicle being tested/tuned and I, nevertheless, agree to have my vehicle run on the Dynamometer. As the “Customer” I represent that all parts of the vehicle are in good condition and are capable of full power and full throttle performance during any testing/tuning being performed.

5. Therefore, I hereby release Sleeper Tuning from any liability of any nature for damage or other losses which may be sustained as a result of the testing/tuning on the Dynamometer.

6.Sleeper Tuning Reserves the right to decline or discontinue dynamometer services for any reason at any time. By signing this waiver, the customer authorizes Sleeper Tuning to operate the vehicle in the manner and to the limits stated above. With my signature, I agree to all conditions, risk and self-liability of my vehicle and agree to hold Sleeper Tuning free from any liability and cause of action, which might arise from the use of my vehicle on said equipment. 

PLEASE PAY ATTENTION TO THE DYNO OPERATOR AT ALL TIMES AND LISTEN CAREFULLY TO INSTRUCTIONS DURING VEHICLE TESTING