Category Archives: Event Updates

The Old School Rock Crawl

Delta Proving Grounds is the Premier Off-Road Track in the Intermountain Area. Competition Classes are listed below:

Unlimited Class
Wildly modified rigs that are too much for the other classes.
Pro Mod
This is the front engine tube buggy class.
Legend Class
Modified trail vehicles that may not have a tubular chassis. These vehicles have front mounted engines and generally resemble a production vehicle.
Street Stock Class
Just what the name implies, these vehicles can be driven on the street.
JK Class
Trail worthy JKs are what this class is about.
Formula Toyota or F Toy Class
These highly modified vehicles use Toyota running gear in a modified chassis.
UTV Class
Stock UTVs Welcome.
ATV Class
No rules developed yet.
Blades must be removed.