Driver Mod

Sponsored by Fathouse Fabrications

NOTICE: Rules are subject to change without notice. 

Cars must fit the spirit of the class. Final determination, if there is an issue, resides with the Event Director. 

You can only enter Pro OR Street, not both. Make sure you choose the right class at the gate and get tech’d for the right class!  

ET Limit for STREET CLASS ONLY 

In order to keep the Pro level cars (7 seconds) out of the “Street” class, we are making an ET Limit on all “Street” subclasses in KOT4, All Blower, 6r80/10R80, and Driver Mod. The ET limit in street class is 8.50 with a .1 breakout. You can run a 8.39 in qualifying but it won’t be counted. You must have one pass in qualifying 8.40 or slower to qualify. 

Class Description

Driver Mod Class is a racing class for all late-model modular based V8 overhead cam powered vehicles with a license plate and insurance and a H pattern MANUAL transmission. This is a heads up class.

Qualifying Information, Ladder Type & Tree

All run qualifying, NHRA Sportsman Ladder, .400 tree, 1/4 mile, courtesy stage (encouraged).

We will have two classes in Driver Mod Class: Pro and Street.

Class Rules

Open to all vehicles with a late-model modular based overhead-cam V8. Any modifications, vehicle weight or power adders permitted. Pneumatic, electric, hydraulic, etc. shifters are prohibited. Trans-brakes and 2-steps are ok.

Weight

Pro: No minimum weight

Street: 3300lbs with Driver

ENGINE

Engine must be a Modular 4.6/5.0/5.4/5.8 based V-8 Ford engine. Internal modifications are permitted.

COOLING SYSTEM

Pro: Any cooling system permitted. In cab intercooler tanks permitted along with under the hood and trunk. 

Street: Radiator required. Any radiator, water pump and cooling fan/fans permitted; Cooling system must be contained inside the engine compartment. Intercooler ice tanks are allowed under hood and in the trunk only.

EXHAUST

Any header size/tubing permitted. Open headers, downpipe ok. Bumper/Fender exit ok.

FUEL-DELIVERY SYSTEM

OEM or aftermarket tank in trunk or stock location. Fuel cell in engine bay prohibited.

FUEL

Pro – All fuels permitted

Street – Unleaded or E85 only (One Ethanol, Ignite, or Similar). No E98.

TURBOCHARGERS

Any size turbocharger permitted. Twin turbos permitted.

SUPERCHARGERS

Any size supercharger allowed.

NITROUS

Any nitrous setup permitted.

OILING SYSTEM

Pro – Wet and dry sump permitted.

Street – OEM wet sump only.

INTAKE MANIFOLD

Pro – Air intake coolers and/or ice boxes allowed in passenger compartment. Trunk mounted ice tanks permitted.  

Street – OEM style intake intercoolers or Air to Air intercoolers permitted. Trunk mounted ice tanks permitted.  

REAR END

OEM or Bolt in 8.8 or 9 inch

TRANSMISSION

Any clutch activated, H-pattern manual transmission permitted. Pneumatic, electric, hydraulic, etc. shifters are prohibited. 2-steps permitted.

K-MEMBERS

Aftermarket K-Members permitted, but must attach to the chassis using only the original factory OEM type mounting bolts in the factory mounting location. Motor plates ok. No part of the K-member may be permanently attached to the chassis. K-member may be modified in oil pan area to allow oil pan enlargement or removal.

CONTROL ARMS

OEM or tubular stock type control arms required which must be attached in stock location.

SHOCKS/STRUTS/SPRINGS

OEM or aftermarket shocks/struts/springs permitted. May use coil overs.

STOCK TYPE SUSPENSION

Stock type suspension may utilize aftermarket, direct replacement type suspension components including aftermarket replacement shocks, springs, coil overs and/or control arms. All stock type 3-link and 4- link suspensions must maintain stock lateral angles and attachment points, but may be moved up or down on rear axle. Aftermarket torque arms permitted.

PANHARD BARS

Permitted.

TORQUE ARMS

Pro -Permitted.

Street – If OEM Equipped.

WISHBONE

Pro – Permitted.

Street – If OEM Equipped.

MINITUB

Pro – Permitted.

Street – Prohibited.

WHEELIE BARS

Prohibited.

FRAME

Stock, unaltered frame rails required. Sub-frames may be joined under car. If connector protrudes through floor, floor must be completely welded to connector. Stock front /rear sub-frames must remain stock, unaltered, and in stock location.

TIRES & WHEELS

28″ and 29″ tires or smaller permitted. No “W” Tires allowed.

WHEELS

Pro – Spindle mount wheels permitted

Street – Spindle mount wheels prohibited

INTERIOR

Pro – Dash can be aftermarket fiberglass, or carbon fiber as long as factory appearing. Passenger seats NOT required. If Kirkey or other Aluminum seat is added, it must be properly secured to a harness bar or cage. Aftermarket front seats are permitted. Rear seats may be removed.

Street – Must have factory dash. Full carpet. Passenger seats required. Aftermarket front seats are permitted. Rear seats may be removed or have a rear seat delete. If Kirkey or other Aluminum seat is added, it must be properly secured to a harness bar or cage. If ballast is used, it must be secured to prevent movement in all directions (including roll overs). All of these items will be thoroughly check before each round.

BODY

Pro – OEM steel (fiberglass/composite if OEM equipped) body shell required. Aftermarket body parts are permitted as long as factory appearing and are limited to hoods, front bumper covers, fenders, doors, and rear deck lids. Hood is required. Any rear wing permitted.

Street – OEM steel shell required. Aftermarket parts are permitted as long as factory appearing. Hood are mandatory. Must have functional headlights and turn signals.

WINDSHIELD & WINDOWS

Pro – OEM glass or NHRA approved Lexan is required and must maintain a Ford OEM appearance. Optic Armor windows are ok. Braces allowed. If carbon fiber/fiberglass doors are used Lexan windows with supports allowed.

Street – Lexan front or rear glass permitted. Side glass needs to be OEM glass. 

FIREWALL

Stock, unaltered firewall required.

ELECTRONICS

2 step, and aftermarket ECU permitted