All Blower

Sponsored by VMP Performance & Magnuson Superchargers

NOTICE: Rules are subject to change without notice.

NO COBRA JETS OR NON-VIN NUMBERED CARS ALLOWED IN THIS CLASS.

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

All Blower Class was designed for the supercharger community. We have two classes: Pro and Street. When you register, you’ll need to specifically state whether you are Pro or Street prior to your first qualifying pass. You can’t dual enter this class for Pro and Street with the same car.

QUALIFYING INFORMATION, LADDER TYPE & TREE

Pro & Street: All run qualifying, NHRA Pro .400 tree, Heads-Up, 1/4 mile, courtesy stage (encouraged).

All Blower Weights (with driver)

Pro – 3300lbs with driver

Street – 3700lbs with driver

*Manual transmissions deduct 150lbs

ENGINE

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

COOLING SYSTEM

 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, down pipe permitted. Bumper/Fender exit permitted.

FUEL-DELIVERY SYSTEM

Pro – Any fuel system permitted and fuel location permitted. 

Street – Fuel tank must be OEM and in OEM location. No aftermarket fuel cells allowed.

FUEL

Pro – All fuels permitted 

Street – Unleaded or E85 only (One Ethanol, Ignite, or Similar). 

TURBOCHARGERS

Prohibited.

SUPERCHARGERS

All Blowers Permitted.

NITROUS

Prohibited.

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.

Street – OEM style intake intercoolers or Air to Air intercoolers permitted. Has to be contained within the engine compartment.

REAREND

OEM or Bolt in 8.8 or 9 inch

TRANSMISSION

Pro – Any transmission permitted. 

Street – OEM Factory style overdrive transmissions only (6R80, 4R70, 4R100, 10r80), factory manual transmissions (TR6060, T56, Magnum XL, T45, MT82), and TH400 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.

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

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 – OEM glass only. No Optic Armor windows or other Lexan glass.

FIREWALL

Stock, unaltered firewall required.

ELECTRONICS

Trans brake, 2 step, and aftermarket ECU permitted.