Updated Heads Up Rules

By May 17, 2022 News & Announcements

ATTENTION Friday Night HEADS-UP Racers!!!

EVENTS ARE THE 1ST FRIDAY OF THE MONTH MAY-OCTOBER

    • Run What Ya Brung – Now a 16 car field
    • Outlaw 632 – Now using NMCA Nitrous Pro Street rules and we are not using the body rule
    • All Motor – Now using NMCA NA 10.5 rules
    • Drag Radial – Following Limited Drag Radial rules
    • Outlaw Sled & Pro Mod Sled – OSDRA rules
    • Open Comp – Now 64 car field & 1/4 mile
    • Outlaw 10.5 – See Below
    • Motor City MuscleClick Here for PDF or Click Here for Google Docs Link

2022 FRIDAY NIGHT HEADS UP RULES THE FOLLOWING RULES APPLY TO ALL CAR CLASSES:

Lower Engine Containment Device Required.

  • Oil Retention Device:
  • Device may be custom-built ballistic blanket-style or metal-style (I.e., bucket) device.
  • Metal pan may be no longer than the engine from the front of crank shaft to the rear of the flywheel. • Pan must be inside the frame rails and fabricated to retain oil\liquid.
  • Pan must attach to the frame via conventional fasteners or straps.
  • Pan must be a minimum of 3 inches above ground.

Diapers: They do not have to be SFI rated.

In order to compete in this program, all cars must run the class windshield banner including sponsor names on the top of their windshield unless approved by the Race Director to be placed in a more visible location for viewing and safety reasons only. All cars must also run the series sponsor sticker (Aeroquip) on their front window. This is a program-wide rule and in order to compete in this program the class windshield banner and series sponsor sticker must be properly displayed. If you feel you need to place them somewhere else for safety purposes, you must get that approved by designated track staff.

In the spirit of the racing, all cars (except Open Comp) must have a current chassis tag in order to help keep daily drivers out of the class, even if not required per NHRA rules. All final decisions are to be made by the Race Director.

All rules are subject to change at any time without notice in order to keep parity among the class.

All Heads Up classes are scheduled for 2 rounds of qualifying.

Open Comp is scheduled for 2 rounds of qualifying.

All aspects of the schedule are subject to change based on timing, weather conditions, and any other situations that the track deems appropriate.

Double Entry Rules:

These rules apply to all classes that are a part of this program. 1. Each VEHICLE may only be entered ONE time per event.

  1. No vehicle may enter into multiple classes/categories.
  2. No vehicle may enter into the same class/category more than once.

2 No DRIVER may be entered in the same class/category multiple times.

  1. A driver may enter in multiple classes/categories with separate vehicles, but they may not be in the same class/category more than once.
  2. A separate vehicle will be required for each entry.

RUN WHAT YA BRUNG – RWYB

1/8 Mile – .400 Pro Tree – 16 Car Qualified Field – Pro Ladder

Rules are subject to change at any time. Open to any type of “Door” Car – Pro Modified, Pro Stock, Pro Street, Pro Outlaw, Top Sportsman No minimum weight, tire size, engine size, unlimited power adders

MUST MEET ALL NHRA RULES INCLUDING LICENSE AND CERTIFICATION, in addition to those requirements outlined above.


OUTLAW 10.5

New Weights & Rules 

OUTLAW 10.5

1/8 Mile – .400 Pro Tree – 16 Car QualifiedField – Pro Ladder 

Rules are subject to change at any time.  

Any transmission  Dual power adders “Prohibited”

Tire – (Slicks smaller than 10.5 W x 33 -100LBS) (10.5 W x 33) (M/T PRO 275) (315 Radial +150 LBS)

Any suspension

Wheelie bars allowed

Generally Shaped, Stock Appearing OEM Cars / Body
Pro Mod and Pro Stock Bodies Allowed N/A Only
OEM Style Fiberglass / Carbon Body OK
Stock Wheelbase +/- 2 inches
Front Overhang Max 45 inches from center of spindle

(+25 LBS full tube chassis)
(+50 LBS Lockup Convertor)

N/A – No minimum weight
BB NOS 5.0 – 2300
BB NOS over 5.0 – 2450 (905 & Smaller – 2400)
SB SINGLE – 2400
BB SINGLE – 2550 (Non-Hemi 2475)
BB TT – 2825 (ANY SIZE TURBO)
BB TT (Non-HEMI) – 2750 (ANY SIZE TURBO)
SB TT 2475 (Up to 4.500 bore space, under 500 cu in)
SB TT 2650 (4.600 bore space, or over 500 cu. in.)
SB TT 2750 (Hemi)
SB PROCHARGER – 2400 (Stock Bore Space)
SB PROCHARGER – 2500 (4.500 Bore Space)
SB PROCHARGER – 2600 (4.600 Bore Space)
BB PROCHARGER – 2750 (Non-HEMI – 2600)
BB VORTECH (131 MAX ONLY) 2675

(No Centrifugal Supercharger Over 140 & No other centrifugal brand superchargers allowed without prior approval and data)

(No Procharger or Vortech entry with any gear drive or blower that is not readily available for immediate sale & delivery at least 21 days before race) (No one off or prototype allowed)

SB ROOTS – 2400
BB ROOTS – 2650
SB SCREW – 2575 (Stock Bore Space)
SB SCREW – 2625 (4.500 Bore Space)
SB SCREW – 2675 (4.600 Bore Space)
SB SCREW – (HEMI add 50lbs. to any Bore Space Weight)
BB SCREW – 2800 (Non- Hemi 2750)
BB TWIN PROCHARGER – 2675
4 cyl. / 6 cyl. Combo -2475 (production engines only)

(-150 LBS any cast iron block cast iron head combo)
(-75 LBS for Cast Iron Heads)

Lower Engine Containment Device Required:

Oil Retention Device:

  • Device may be custom-built ballistic blanket-style or metal-style (I.e., bucket) device.
  • Metal pan may be no longer than the engine from the front of crank shaft to the rear of the flywheel.
  • Pan must be inside-the frame rails and fabricated to retain oil\liquid.
  • Pan must attach to the frame via conventional fasteners or straps.
  • Pan must be a minimum of 3 inches above ground.

Diapers: They do not have to be SFI rated.

In order to compete in this class, all cars must run the class windshield banner including sponsor names on the top of their windshield unless approved by the Race Director to be placed in a more visible location for viewing and safety reasons only. All cars must also run the series sponsor sticker (xxxxx) on their front window. This is a class rule and in order to compete in this class the class windshield banner and series sponsor must be properly displayed. If you feel you need to place them somewhere else for safety purposes, you must get that approved.

In the spirit of the racing, all cars must have a current chassis tag in order to help keep daily drivers out of the class. All final decisions are to be made by the Race Director.

MUST MEET ALL NHRA RULES INCLUDING LICENSE AND CERTIFICATION 


OPEN COMP – OC

1/4 Mile, Index/Dial-In Staggered .500 Pro Tree, 56 Car Field

MUST MEET ALL NHRA RULES INCLUDING LICENSE AND CERTIFICATION, in addition to those requirements outlined above.

  • Altereds, Roadsters and Door Cars only 8.50 – 11.99
  • Bracket Racing Aids – Delay boxes, cross over boxes or any “reaction-time related” devices are prohibited.
  • Throttle stops of any type are prohibited. 2-steps and trans-brakes are permitted.
  • Electronic/air shifters permitted.
  • Tires must be slicks or drag radials
  • Qualifying based on reaction time, 2 ROUNDS OF QUALIFYING
  • Indexes are computed by taking your quickest pass and subtracting .10 from it. That becomes your dial in for the rest of the race, but they cannot be outside of the
  • Double entries are prohibited for both driver and/or vehicle. Lower Engine Containment Device Required

Motor City Muscle

Naturally Aspirated – All Motor -1/4 Mile – .400 Pro Tree – 16 Car Qualified Field – Pro Ladder

Base Weights and Cubic Inch Limits:
Small Block Chevy, Ford, Mopar minimum weight 3000 pounds with a maximum Cubic Inch of 440.
Big Block Chevy, Ford, Mopar minimum weight 3300 pounds with a maximum Cubic Inch of 565.
Engine must be a corporate engine to corporate body match (i.e. – Ford/Ford, GM/GM, Mopar/Mopar)
Stock bore space blocks only – No billet blocks.
All Motors will be pumped (P/G) for compliance and sealed at indiscriminate times at any race.
Any time a seal is broken, engine will be required for re-pumped and reseal.
Any infraction (CHEATING) can or will result in immediate disqualification from series.

Heads
OEM STYLE means standard port and valve layout front to rear, and port height within reason of
understanding what commercially is available for conventional heads. (No billet heads) This definition
will be subjective under MOTORCITY MUSCLE CHALLENGE tech discretion.
Big Block Chevy, Mopar, Ford Conventional OEM style heads. Minimum weight of 3300 pounds
No billet heads- No hybrid OEM Style racing heads – No SR20 style BBC heads, only normal conventional
aftermarket heads such as those from Brodix, Dart, BMF, AFR, B1, Indy, TFS etc. allowed. No intake port
height limitations.
Big Block Buick, Oldsmobile & Pontiac Conventional OEM style heads. No billet heads- No hybrid OEM
Style racing heads.
Tech will use discretion when considering legality of heads presented to advisory board.

Small Block Chevy, Mopar, Ford Conventional layout, in-line valve style heads. Minimum weight 3000
pounds. No port height limitations. Non inline cylinder heads such as SB2, Yates Style, may run with 75
lb. penalty. (No billet heads)
LS Based Engines – In-line heads allowed at base weight. MAST STR8 Jacket and CID BE-LS inline heads
add 75 lbs. Other similar style heads not specified here will be considered on a case-by-case basis.
Canted and/or splayed valve heads such as Mast Mozez or Edelbrock LS-R heads – add 125lbs. (No billet
heads)

Carburetors: Any commercially available 4150 style 4 bbl. single carburetor allowed. Little Bo’- Get’M
Garage style 4150 carbs with twin blades are allowed. Throttle Blades: TB 1200, Holley 4150, 1.75”
Braswell 1.75”, Gary Williams D Blade 1.75”

Fuel injection: No fuel injection allowed

Oiling System: Wet or dry sump systems allowed

Intake Manifolds
Any COTS (commercial off the shelf) commercially, “out of the box, bolt on” cast aluminum intake
manifold allowed. No external modifications, no custom, “one off” manufactured, no cast blank intake
machined and modified to fit, no cutting and welding runners and/or mounting flanges, no re-drilling
flange (bolt holes must remain as machined in COTS production) and manifolds must have
manufacturers part number identification visible as provided by manufacturer when new.
Any design allowed but must fit under the hood.
No tunnel rams or bolt together style intake manifolds allowed – NO EXCEPTIONS! (This includes top to
base or side to side).
No intake spacers of any kind allowed – intake must bolt directly to cylinder heads. (All reviewed at
technical advisor’s discretion*)

Transmissions
Auto Transmissions: Any auto trans allowed. Adapters are permitted. Trans brakes permitted.
Automatic transmission entries run at listed base weights. Pneumatic, electric, hydraulic, etc. shifters
prohibited. Any gear change must occur from direct action by the driver.
Manual Transmissions: Any style manual transmission allowed. No limits on clutch style. Clutch must be
manually operated by the driver’s foot. Electronics, pneumatics, hydraulics, or any other device may in no
way affect the clutch system.

Body
Stock steel fenders, steel doors, steel trunk lid. (Magnets will be present)
Stock located factory steel firewall and factory steel floor pan are required.
Factory appearing rear spoilers allowed. (Rear Wings allowed)
Fiberglass bumpers allowed.
Fiberglass hoods allowed
Pro Glass- Optic Armor type glass is permitted provided it is attached and installed (butyl, glue etc.) as
OEM size and style glass with the OEM fashioned trim. No nuts, bolts, screws, rivets etc. allowed.
Must appear as Factory or OEM by tech directors.

Hood
Limited to 6″ cowl style hood. (+/- 1⁄2”) No forward cut outs in hood permitted.
The 6-inch maximum means anywhere along the cowl scoop profile, measured against the primary
surface of the hood.
No single point of the cowl allowed to be measure more than 6″.
No aftermarket forward facing hood scoops.
No restrictions on air intake position. i.e. under the car, grill area, windshield etc.

Frame
Factory frame rails required, front to back. May be mini-tubbed with narrowed frame rails.
Modifications allowed for clearance only.

Rear Suspension
Stock Leaf Spring or Stock Coil Suspension
Coil over shocks allowed.
Traction Bars, Cal Tracs, Slide-a-Link or Torque Arms are permitted.
Ladder Bar
Bolt in or weld in anti-roll bars allowed.
No 4-Links allowed
Wheelie Bars Prohibited

Front Suspension
Front suspension must represent the “stock type” suspension for the model car being used.
“Stock Type” refers to any custom parts used must mount directly to stock suspension points.
Cars originally equipped with A-Arms must continue to use A-Arms on the stock mounting points.
Aftermarket A-Arms which are adjustable are acceptable.
Cars equipped with Struts, must utilize struts in the original strut towers. Manipulation for proper
geometry within the tower is acceptable.
Bolt on K-Member style cradles for late model cars are acceptable but must follow the Strut and A-Arm
rules. Coil over front shocks allowed.
No Spindle mount wheels.

Rear Tires
Tires limited to 9×26, 9×28, 9×29, 9×29.5 or 9×30 slicks only. (Radial sidewalls permitted)
Lower Engine Containment Device or Diaper Required
Oil Retention Device:
• Diaper Device may be custom-built ballistic blanket-style (Diapers: They do not have to be SFI rated.)
• Metal bucket device or metal pan may be no longer than the engine from the front of crankshaft to
the rear of the flywheel.
• Pan must be inside the frame rails and fabricated to retain oil\liquid.
• Pan must attach to the frame via conventional fasteners or straps.
• Pan must be a minimum of 3 inches above ground.
*Any infraction (CHEATING) could potentially result in disqualification from series per rules board *
ALL CARS MUST MEET ALL IHRA or NHRA RULES INCLUDING LICENSE AND CERTIFICATION
*All Rules Are Subject to Change