8000# Hot Street Diesel Trucks

LOCKED FOR 2024


 

Safety
1) All General Truck Safety Rules apply.

Driveline/chassis/suspension
2) The OEM chassis is mandatory. The engine must be in the OEM location for the body used. The vehicle

must retain the full OEM chassis. Wheel tubs, back half conversions, tube chassis prohibited.

3) Functional hydraulic brakes are mandatory front and rear.

4) 1 ton or smaller OEM type transmission and transfer case is mandatory. No Drop boxes or reverser style

 transmission.
 
5) Front axle must be 1 ton or smaller, no fabricated housings. Blocks, stops, or limiting straps are permitted.

 Traction bars and other like devices are permitted. Lift kits are permitted.

6) Rear axle must be 1 ton or smaller, no fabricated housings. Suspension blocks/stops from frame to axle

 allowed but must be removable, cannot be welded solid or bolted to axle. Traction bars and other like

devices are permitted. If equipped with air bags, the compressor must be disconnected or valve stem to bags

 removed. Air bags cannot be filled.

7) Must retain the original OEM power steering. Non OEM power assist methods are prohibited.

8) Tires must be DOT approved, 10” rim width max. No cutting or grooving. No chains. Front and rear tires

 must track within centerline of each other. Max tire size 35”. Dual rear tires allowed, must be run on factory
equipped dually trucks with accompanying dually rear beds. Dually trucks will be limited to the OEM tire size.

Body
9) Must use OEM truck body, including a full bed floor. The body must retain full sheet metal. Aftermarket

 hoods are permitted, no fiberglass. The hood must be closed and securely latched while the vehicle is hooked
to the sled. The complete OEM firewall and OEM cab floor is mandatory.

10) Batteries must be securely mounted. No batteries in the cab or in front of the radiator core.

11) Radiators must be in the stock location and be of at least factory size for the specific model truck.

12) A complete interior, including factory dash, door panels, carpet/rubber floors, headliner, etc. is mandatory.

 Two factory front seats are mandatory and must be fully upholstered. The use of hand throttles is prohibited.
 
13) Complete headlight and taillight assemblies are mandatory and must be operative. Headlights cannot be on

 while hooked to the sled. Complete OEM glass windshield and windows are mandatory. Windows must
be operative per factory specifications that is they must open and close via OEM electrical or mechanical

means. All factory lights, signals, horn, windows, etc. must be retained and be operative.

14) OEM style fuel tank is mandatory. Fuel cells are not allowed.

15) Must have rear bumpers/sled stops to withstand an impact from sled.
 
Weight/Hitch
16) Truck weight max 8000 LBS with driver. Trucks weighing less than 8000lbs are permitted to add

 additional ballast to meet the 8000lbs max weight. Any additional weight must be securely fastened on the

truck, no weights in cab. Trucks weighing from the factory over 8000lbs can pull with a “grace” of up to

9000lbs. However, no additional weight ballast is permitted, and vehicle will be subject to 24” MAX hitch

 height. Any final decisions rest with the tech officials.

17) No weight boxes, bars, or hanging weight ahead of the front bumper except for standard cab long bed

 wheelbase; this wheelbase configuration can hang weight on a removable style bracket with removable

weights only, No boxes or permanently fixed brackets. Front bumper must be in the stock location.

18) Hitch must be a Reese style frame only mounted receiver type hitch and solid in all directions. No drawbar

type hitches allowed. Hitch cannot protrude thru bed floor. Reinforcements of the frame permitted but must not

 extend forward of the centerline of rear axle or to the axle housing. Trick hitches are prohibited.
 
19) Max hitch height 26” at hook point. Hook point hole may not be more than 1 ½” from back edge of hitch

 and must have 3” wide by 3 ¾” long opening parallel to the ground. Hook may be no more than 1 ½” thick

and no less than 1” thick. Hooking point must be no less than 44” back from the center of the rear axle. Hitch

 must be clearly accessible, bumpers or roll pans may be notched.

Engine/Turbo
20) The engine is limited to an OEM make-specific compression ignition engine available as an option in a 1

ton or smaller truck. The engine does not need to be OEM make specific to the chassis (I.E. Cummins in a Ford

 chassis is allowed). Filled engine blocks are prohibited. Aftermarket cast cylinder heads are allowed.

21) All trucks must have exhaust exit going upward and rearward of the truck cab. Exhaust exiting through the

 hood or the fender-well are prohibited. A 90 degree turn up pipe is required for exhaust exiting at the stock

location/horizontal angle. Must have two 3/8” bolts that cross 1” apart from each other within 3” of the turbo

outlet.

22) #1 or #2 diesel ONLY.

23) The use of multiple high pressure common-rail fuel pumps is permitted. The use of multiple HPOP’s in

Ford Powerstroke is permitted. P7100 Pump max for mechanical systems. Mechanical injection pumps are

recommended to have a mechanical fuel shut off.

24) NITROUS OXIDE, PROPANE INJECTION, AND WATER METHANOL ARE NOT PERMITTED. NO

 INJECTABLES OF ANY KIND ARE ALLOWED!

25) Aftermarket intake manifolds and turbo intakes are permitted. Air filters are not required. Intake piping to

 turbocharger may not extend outside the OEM body.

26) Air to air intercoolers and factory equipped air to water intercoolers (6.7 Powerstroke) are permitted. NO

 air to water intercoolers allowed on vehicles that did not come from the factory with them. Intercooler must

be in the factory location. If the truck did not come with a factory intercooler, it must be mounted in front of

the radiator and behind the grille.
 
27) All engines turning 4500rpm and higher must be equipped with a harmonic balancer or damper meeting

SFI 18.1

28) You may utilize the factory turbocharger, or any aftermarket turbo in a single application. All turbos and

 affixed piping must fit under the hood of the truck and may not extend outside of the factory body work.

Cowl hoods are allowed.

ALL THE ABOVE RULES WILL BE STRONGLY

ENFORCED DUE TO YOUR SAFETY AND THE SAFETY

OF OTHERS. THE OFFICIALS’ DECISIONS ARE FINAL!

**The Head of Class/Tech Official for each class will enforce

all of the rules! Every vehicle will be teched on a random basis

at some point throughout the season.**