Dyno Registration

$75.00
Pre-Registrations have Closed for this years H4H, You can still register at the show in person.

Definition of Classes:

Stock Ford, GM, Dodge Classes:

  • The turbocharger is limited to a stock, OEM/Factory make-specific charger only. No Injectables. No After- Market Compressor Wheels Allowed.

Small Single Class:

  • 70mm turbo size and smaller. No Injectables.

Large Single Class:

  • 71mm turbo and greater. No Injectables.

Small Multi turbo Class/Compound Class:

  • 80mm turbo size and smaller. No more than two (2) turbochargers. No Injectables.

Large Multi turbo Class/Compound Class:

  • 81mm turbo size and greater. . two or more aftermarket chargers. No Injectables.

Emission Stock:

  • Must have Functioning DPF.  Stock Turbo. No Injectables.

Emission Pro:

  • Must Have Functioning DPF. Upgraded Turbo.

Unlimited Class:

  • Any use of Nitrous, Propane, and/or Water Meth.

 Exhibition Class:

  • Gas Trucks, Cars, and anything else that doesn't fit into our other classifications (This is a non-payout Class)

Click here for the Northwest Dyno Circuit Rules

 *classes must have 3 competitors to qualify for a payout