Hub City Dragway, General Drag Racing Rules, Safety And Class Racing

Hub City Dragway, General Drag Racing Rules, Safety And Class Racing

Find All The Hub City Drag Racing Rules On This Page

331 Eatonville Rd. Hattiesburg, MS 39401 - Track Phone: 601-545-DRAG (3724)

Hub City Dragway Rules Overview


Hub City Appreciates your patronage and of course all tracks have to meet certain general racing rules and guidelines for us to run various classes safely. Our rules are here to benefit you before and after your racing experiance.

Section One is a standard guide to the basic rules and safety of all classes, check your car over so when you come to Hub City you know that you'll be teched in and meet the minimal requirements to race our track.

General Frequently Asked Questions About Rules


What If My Car, Truck Or Motorcycle Class Isn't Listed? : Our rules are basic and in this page is plenty of information, if you don't see it listed please call the track or race coordinator "Ricky Stanbro" for more in depth questions.

I Don't See The Special Classes For Featured Events Like Pro Mod, Outlaw 10.5, True Street and So On, Where Are They Located? : Our Drag Racing Rules Page is in sections marked by brightly colored "Orange" Highlight Text For Classes. Please Scroll Down And Find Your Selected Class, Adhere To The Rules And Have A Great Time Racing.

Requirements To Be Considered A Street Car

Pass Safety Tech
Working windows
Door slammer
Operational headlights, brake lights, tail lights
Nitrous permissible
Wheel tubs permissible
Mufflers
Glass Windshield
Trailered through gate permissible
D.O.T. tires ONLY
Line Locks permissible
Long pants and helmet
No Electronics

E.T. 1/4 to 1/8 Mile Conversions

1/4 Mile E.T.
1/8 Mile E.T.

12.99 & quicker
8.25 & quicker

11.49 & quicker
7.35 & quicker

9.99 & quicker
6.39 & quicker

Tech and Safety-Check Guidelines

1/8 mile E.T. times listed in parentheses: 12.99 (8.25), 11.49 (7.35) and 9.99 (6.39)

Arm Restraint:
Required in any open-bodied car.

Battery:
Must be secured properly with OEM equipment if still mounted in stock location. NO coat-hangers, bungee cords, bailing wire, etc. allowed. If it is mounted in a different location, it MUST be secured properly with 3/8” minimum all-thread and include a master-disconnect outside on the back of the car clearly labeled. If the car is a hatchback, the battery must be mounted as noted above, but inside an enclosed sealed battery box, or the car must have a firewall fashioned between the driver and the battery.

Carburetor:
Must have an effective throttle-return spring (TWO are recommended). Also, a breather, flash shield, or spark arrestor is recommended.

Catch Can:
All water-cooled cars must have an approved radiator overflow catch-can that is 16 oz. minimum and secured properly. Drive Shaft Loop All cars running SLICK/STREET SLICKS must have a safety loop encircling the drive shaft that is mounted not more than 6” behind the front U-joint.

Drive Shaft Loop:
All cars running SLICK/STREET SLICKS must have a safety loop encircling the drive shaft that is mounted not more than 6” behind the front U-joint.

Driver Apparel:
Long pants, full-toed shoes, and shirts required. No shorts, tank-tops, bare torsos, etc allowed. Appropriate clothing is mandatory.

Fire Gloves:
SFI approved, required on all open-bodied cars, and on full-bodied cars running 9.99 (6.39) or quicker, and/or 135 MPH or faster.

Fire Jacket:
SFI approved, required on cars running 11.49 (7.35) or quicker. See Roll Cage, Harness.

Fire Pants:
SFI approved, required on all open-bodied cars, and on full-bodied cars running 9.99 (6.39) or quicker, and/or 135 MPH or faster.

Fire Shoes:
SFI approved, required on all open-bodied cars which are super/turbocharged, nitrous equipped, or alcohol powered. Recommended for any open-bodied car

Fuel Cell:
All fuel cells must be mounted properly and vented out the back or the bottom of the car. Plastic cells must be grounded properly with a ground strap. The cell must be isolated from the driver compartment with a sealed firewall to prevent fuel from leaking in.

Fuel Filter:
NO GLASS filters allowed. Must be of metal or plastic construction.

Fuel Line:
There can be no more than a TOTAL of 12” of rubber fuel line in a car. Either ensure that hard line is in place, or use approved braided steel line.

Harness:
5-point Seat belts are required. Stock belts are fine until a car reaches 11.49 (7.35) or quicker or 12.99 (8.25) for convertibles, and/or 135 MPH or faster, or if it is equipped with a roll bar/cage, regardless of E.T. At this point, an SFI approved 3” wide, 5-point harness is required. The shoulder straps should be secured behind the driver below the plane of his/her shoulders.

Helmet:
SNELL or SPI approved helmets are required. Full-faced helmets with shield are required on any open bodied cars & all cars running 9.99 (6.39) or quicker . Shield must be down upon leaving the starting line. Approved crash helmets must be strapped and worn properly.

Hood:
All full-bodied cars are required to have a hood.

Lug Nuts:
Each wheel shall have the OEM number of lug nuts fastened securely. If using open-end lug nuts, the wheel stud shall protrude into the hex portion of the nut a distance that is at least equal to the diameter of the stud. See Wheel Stud. See Wheel Stud.

Neck Collar:
Required in any open-bodied car. and ALL full-bodied cars running 9.99 (6.39) or quicker, and/or 135 MPH or faster.

Neutral Safety Switch:
A functioning neutral safety switch is required on ALL vehicles. See Shifter.

Nitrous System:
System DOT approved NOS bottles must be secured properly with a minimum of 2 straps. If the bottle is in the driver compartment, it must be vented properly out of the car. Solenoids and nozzles must be mounted properly in the engine compartment.

Roll Cage/Bar:
All cars running 11.49 (7.35) or quicker or 12.99 (8.25) for convertibles and/or 135 MPH or faster must have at least a 6-point roll cage, a 5-point harness, and a fire jacket. The cage must also be padded everywhere that any part of the driver’s body (hands, feet, head, etc.) may come in contact with the cage while properly harnessed in the driver’s seat.

Shifter:
Stock shifters are fine. Any after market automatic shifter must be equipped with a spring-loaded, positive reverse lockout. A neutral safety switch is mandatory.

Tail-light:
For night-time racing, all cars shall have at least one working tail light that is visible from the tower and the starting line upon leaving the starting line and exiting the track.

Tires:
All tires must be in good condition (not dry rotted, etc.) and CANNOT be spacesaver doughnut-type spares.

Lug Nuts, Wheel Stud:
Each wheel shall have the OEM number of wheel studs, with lug nuts fastened securely. If using open-end lug nuts, the wheel stud shall protrude into the hex portion of the lug nut a distance that is at least equal to the diameter of the stud.

Window Net:
Required on any car running 9.99 (6.39) or quicker and/or 135 MPH or faster. Recommended on any car that has a roll cage.

Windshield:
Required on all full-bodied cars. Lexan is allowed.

INDEX & TRUE STREET RULES


7.00/6.00/5.30/4.70 INDEX:
ALL VEHICLES MUST MEET I.H.R.A SAFETY STANDARDS:

Class Description: – No center steer vehicle. Left hand steer only.

Interior: – All cars are required to have a stock appearing dash (sheetmetal is approved). The rear seat is optional.

Chassis: – All entries required to have a chassis capable of certifying to a minimum of 8.50 or slower.

Engine: – Any engine combination, power adders and fuel are allowed except nitro-methane.

Electrical: – Throttle stop must be fully disconnected from pneumatic or electrical source and throttle stop blades must be fixed. Optical sensors are prohibited.

Deep Staging: – Deep staging is allowed at driver’s risk.

Sponsorship Decals & Lettering: – Decals and lettering is restricted to windows and quarter panels. All cars are required to have an identifying number posted on front side and rear window.

Disqualification:
– Disqualification will occur in the event of : Running under the 6.00 Index, crossing the centerline or use of prohibited equipment (optical sensors, throttle stops, etc.).

TRUE STREET CLASS


CHASSIS / SUSPENSION
FRONT SUSPENSION:
All cars must retain factory stock-type suspension. Bolt on aftermarket suspension components allowed

REAR SUSPENSION:
Suspensions can be either stock-style

ENGINE:
Stock Engine displacement and stock internals, Cam allowed on naturally aspirated cars.

HEADS:
Stock Heads

NITROUS:
This can count as the 1 power adder

SUPERCHARGER / TURBOCHARGER:
Supercharger or Turbocharger combination must be factory equipped

STREET EQUIPMENT:
BODY:
The car must retain its original appearance and profiles.

INTERIOR:
Vehicles must retain a "street appearing" interior. Factory door panels, carpet and dashboard are required. Two front seats required (bench seat OK). NO SEAT DELETES.

WINDOWS:
Must be of safety glass. No Lexan permitted. The only exception will be the rear window of an El-Camino or other truck for roll bar access. All front door windows must be fully operational.

STREET LEGAL REQUIREMENTS:
All cars are required to have working headlights and tail lights (headlights doors must be fixed open or work manually or automatically on cars so equipped). Brake lights and turn signals are required.

TIRES:
D.O.T approved tires. Limited to 28 inch tall.

TRUE STREET MODIFIED


CHASSIS / SUSPENSION
FRONT SUSPENSION:
All cars must retain factory stock-type suspension. Bolt on aftermarket suspension components allowed, including coil-over conversions

REAR SUSPENSION:
Suspensions can be either stock-style or Ladderbars, coil-over shocks allowed with any legal suspension combination.

ENGINE:
No cubic inch limits.

HEADS:
Aftermarket cylinder heads, aluminum or cast iron are allowed, no aftermarket spayed or canted valve, Big Chief, or any "Pro Stock" style heads are permitted unless the motor was equipped as such from the factory. (I.E. Big Blocks and Cleveland Fords)

NITROUS:
Any Nitrous combination is allowed.

SUPERCHARGER / TURBOCHARGER:
Any Supercharger or Turbocharger combination is permitted.

TRANSMISSION:
Any automatic transmission with torque converter allowed. OEM or aftermarket Manual transmissions permitted.

STREET EQUIPMENT
BODY:
The car must retain its original appearance and profiles.

INTERIOR:
Vehicles must retain a "street appearing" interior. Factory door panels, carpet and dashboard are required. Two front seats required (bench seat OK). Back seat may be deleted.

WINDOWS:
Must be of safety glass. No Lexan permitted. The only exception will be the rear window of an El-Camino or other truck for roll bar access. All front door windows must be fully operational.

STREET LEGAL REQUIREMENTS:
All cars are required to have working headlights and tail lights (headlights doors must be fixed open or work manually or automatically on cars so equipped). Brake lights and turn signals are required. Working Alternator.

TIRES:
D.O.T approved drag radials. Limited to 28 inch tall. Slicks are allowed. No 10.5W

SUPER STREET ALL OUT


CHASSIS / SUSPENSION:
FRONT SUSPENSION:
All cars must retain factory stock-type suspension. Bolt on aftermarket suspension components allowed, including coil-over conversions

REAR SUSPENSION:
Suspensions can be either stock-style or Ladderbars, coil-over shocks allowed with any legal suspension combination.

ENGINE:
No cubic inch limits.

HEADS:
Aftermarket cylinder heads, aluminum or cast iron are allowed

NITROUS:
Any Nitrous combination is allowed.

SUPERCHARGER / TURBOCHARGER:
Any Supercharger or Turbocharger combination is permitted.

TRANSMISSION:
Any automatic transmission with torque converter allowed. OEM or aftermarket Manual transmissions permitted.

STREET EQUIPMENT:
BODY:
The car must retain its original appearance and profiles.

INTERIOR:
Vehicles must retain a "street appearing" exterior. Back seat may be deleted.

WINDOWS:
Must be of safety glass. Lexan permitted.

STREET LEGAL REQUIREMENTS:
All cars are required to have working tail lights

TIRES:
D.O.T approved drag radials. Limited to 30 inch tall. Slicks are allowed. No 10.5W

Wheelie Bars are Allowed.

General And Heads Up Rules


General Rules:
ALL VEHICLES MUST MEET I.H.R.A SAFETY STANDARDS.:
Deep staging allowed. Cars must cross scales after every qualifying and elimination pass. Tow-backs are allowed. Arm bands reguired for crewmembers to be on starting line. Crewmembers must leave the starting line and burnout area after each pass.

PLEASE NOTE Weight Rules do Not Apply in any Category for Mardi Gras:

OUTLAW PRO MOD/ BIG TIRE


Must have funtional doors

10.5W OUTLAW


Weights:
Four cylinder cars must be 2200 lbs
Small Block Nitrous, Big Block Conventional Heads Nitrous V6 any power and number power adders: 2700 lbs. Big Block & Turbo, Supercharger: 3000 lbs. .Nostalgia Cars - deduct 50 lbs.

ALL OUTLAW 10.5 vehicles must cross scales after every qualifying and elimination pass

Body Length:
Plus or minus 2” from factory dimension

TRUE 10.5 / DRAG RADIAL

(315 DRAG RADIAL) OR (ANY MICKEY THOMPSON 29.5 TT5 OR 29.5 10.5 W )

ANY CHASSIS PERMITTED

WHEELIE BARS PERMITTED

ANY AUTOMATIC TRANSMISSION

CLUTCH -OK

SB N/A NO WEIGHT

BB N/A 2100 LBS

SB NOS 2250 LBS

BB NOS 2700 4.840 BORE ENGINES

BB NOS 2725 LBS 5.00 BORE ENGINES

BB NOS 2750 LBS OVER 5.0 BORE ENGINES

SB SINGLE TURBO 2600LBS

SB TWIN TURBO 2700 LBS

SB PROCHARGER 2600 LBS

BB PROCHARGER 3150 LBS

BB TWIN TURBO 3200 LBS

BB TWIN SUPERCHARGER 3100 LBS

ROOTS BLOWER 3150 LBS

ROOTS SCREW 3250 LBS

Mean Street / 275 Drag Radial



This is an 1/8 mile heads-up class run on a .400 pro tree with a pro ladder. X275 is a qualified quick 8 field. Courtesy staging and auto-start is in effect. There will also be another class called “The Shootout” for qualifiers #9-16, and it will be run on a pro ladder. This allows non-qualifiers to compete for additional points and a place to race. (At larger events 2 – 16 or 3 – 8 or 3 -16 car fields or all-run format may be used)
SAFETY:
All NHRA/IHRA and Local Track Safety rules apply for driver and car, including the use of an oil retention device or engine diaper.
BODY:
The car must retain its original appearance, profiles, and dimensions. Factory roof and quarter panels must be used. Aftermarket fiberglass and/or carbon fiber replacement panels are limited to hood, front fenders, doors, deck-lids, and bumpers only. All front ends must be of factory dimensions and cannot be lengthened and must meet all NHRA/IHRA height. (see ground clearance note below). Any beam tripping devices forward of the bumper are prohibited. (Track tech official will have final say) Aftermarket wings and spoilers are permitted. Complete stock appearing front and rear bumpers are required. A hood must be used: scoop or hood must cover the entire induction system. Forward facing hood scoops/ turbo or supercharger inlets are permitted.
GROUND CLEARANCE:
Minimum 3 inches from front of car to 12 inches behind centerline of front axle, 2 inches for remainder of car, except oil pan, oil retention device, and headers.
INTERIOR:
Factory appearing dashboard, door panels, and driver seat is required. Full Carpet is required on floorboards including transmission tunnel. Factory floor pan on driver and passenger side required. Transmission tunnel maybe removable and must be metal. Bare inside frame of car cannot be exposed. Aftermarket steering column is permitted.
WINDSHIELD/WINDOWS:
OEM glass or lexan windows are permitted.
CHASSIS:
Complete stock chassis and frame rails must be retained from motor plate/shock tower to behind the rear wheel opening. Back-halved cars are not permitted. Front core support may be modified or removed. Aftermarket bolt-on replacement front K-members/sub frames are allowed (if front shocks bolt to K-member then they must be in factory location). Mini tubs are allowed. Rear frame rails may be notched for clearance and must be in the factory location. Factory wheelbase must be maintained. (+ or – 1 inch)
ENGINE:
Maximum displacement for all engines is 588ci. Small blocks are allowed any deck height but must retain stock bore spacing. Big block allowed the following deck heights but must retain stock bore spacing. GM Big Blocks are limited to a 10.2 deck height. Ford Big Blocks are limited to a 10.3 deck height. Mopar Big Blocks are limited to a 10.7 deck height. (Cylinder head specs and list for BB Nitrous Combos to be released)
TURBOCHARGERS:
Single turbocharger limited to 88 mm maximum. (GT55-88, Pro-Mod 88, ET-R88, Comp, Bullseye or = mid/large frame turbo). Turbocharger size will be verified by measuring the housing bore at the leading edge of the impeller wheel and must maintain the contour of the compressor housing. Inducer dimensions will not exceed 3.462 inches and Exducer dimensions will not exceed 4.765 inches on MID FRAME turbos. Inducer dimensions will not exceed 3.462 inches and Exducer dimensions will not exceed 5.56 inches on LARGE FRAME turbos. The maximum diameter of the housing bore at the leading edge of the wheel may not exceed 2 mm more than the maximum allowable turbocharger size permitted and LF 85/88 with surge slots/holes must have a cover over the slots/holes that stand off by no more than .250. Inserts or reducers to achieve inlet or outlet dimensions prohibited. Any type of air to air or water to air intercooler permitted. Turbochargers w/nitrous-oxide prohibited except on 2-rotor, 4 cylinder, and inline 6 cylinder engines.
SUPERCHARGERS:
Cog or gear driven superchargers are permitted, must meet all factory inlet, outlet, and internal housing dimensions. Inserts or reducers to achieve inlet or outlet dimensions prohibited. Any type intercooler is permitted. Supercharger cannot be combined with nitrous oxide. Roots superchargers are limited to a 10-71. Centrifugal superchargers are permitted. Screw superchargers are not permitted.
NITROUS OXIDE:
Small block is permitted to run any type multi-stage nitrous systems. Big blocks are limited to a single stage nitrous system with single -6 line(**see below for accepted line) to fogger single wye to -4 line(**see below for accepted line) connected to fogger solenoids or single -6 line (** see below for accepted line) to plate solenoid(s) – A single stage fogger (2 nitrous solenoids and 2 fuel solenoids) are permitted or if using a single plate then your limited to (1 fuel solenoid, 1 nitrous solenoid), and 1 purge solenoid, purge must exit engine compartment. Small block nitrous are permitted water injection. EFI Big Blocks will only be allowed 2 nitrous solenoids for a dry nitrous system and will only have 1 line per nozzle/per cylinder. (Using both sides of the fogger nozzle on a dry EFI NOS BB combo are prohibited)(Push systems prohibited)
TRANSMISSION:
Any factory style automatic transmission allowed. OEM factory style manual transmission allowed. Bruno-Lenco transmissions are prohibited. Aftermarket clutchless manual transmission and clutch assisted manual transmissions are permitted on naturally aspirated combinations only. Electric shifters or air shifters are permitted.
INDUCTION:
Small Block combinations may run any type induction. Big Block combinations are limited to a dedicated single opening cast intake with a single carb or a single 4150 or 4500 series throttle body. (4 blade, dual blade or single blade throttle body permitted).
OILING SYSTEM:
Dry sump oiling systems are permitted on all cars
EXHAUST:
Mufflers or inserts are required on all cars except for turbo cars. Exhaust may exit underneath car or out the front fenders but must not affect timing or staging beams.
FUEL:
Gasoline only is permitted. Alcohol/E85 permitted on roots blown/V6/Inline-6/4cyl applications. Alcohol or E-85 or other derivatives is prohibited on all other combinations. Meth injection prohibited. Water injetion permitted on SB NOS combos only.
STREET EQUIPMENT:
Functional headlights, taillights and brake lights required. All headlights, brake lights, etc. must be on car and not removed for any reason. All vehicles may be towed back from their passes.
SUSPENSION:
Stock style or ladder bar suspension cars only. Aftermarket four links are prohibited on all cars. Aftermarket direct replacement components such as: front control arms, rear control arms, front coil over shocks, and rear coil over shocks are permitted. Aftermarket rack and pinion steering allowed. Rear leaf springs, springs, shocks, and coil-overs may be moved to accommodate tire clearance, and do not need to be mounted in stock location. Bolt-on or welded sub-frame connectors, rear sway bars, are permitted on all cars. Wheelie bars are prohibited on all cars. Torque arms are only permitted on cars that were originally equipped from factory with it. Upper and Lower control arms must be mounted in the factory chassis locations -S Box permitted.
TIRES:
All cars with power adder must compete on a Drag Radial type tire with the following sidewall designation 275/60/15. Naturally aspirated cars are permitted to run a 28.0” x 10.5” slick, no “W” tires permitted.
Minimum base Weights:

All minimum weights include the driver.
Naturally Aspirated (small block) 2500 lbs
Naturally Aspirated (big block) 2700 lbs
Nitrous (small block) 2750 lbs
Nitrous (big block single stage plate any deck height & conventional heads) 3200 lbs
Nitrous (big block single stage fogger standard deck height & conventional heads) 3250 lbs
Nitrous (big block single stage fogger with tall deck height and conventional head) 3350 lbs

Single YSI / F1A/6-71 Supercharger (small block) 2950 lbs
Single F1C/8-71 Supercharger (small block) 3050 lbs
Single F1R/Xi/10-71 Supercharger (small block – *mod motor or with stock valve angle heads) 3150 lbs
Single F1R/Xi/10-71 Supercharger (small block) 3200 lbs
Single F1X/XB105 Supercharger (small Block – *mod motor or with stock valve angle heads cast head only) 3350 lbs

Single 76mm T6 Turbocharger (mid frame) (small block) 2700 lbs.
Single 80mm T6 Turbocharger (mid frame) (small block) 2800 lbs.
Single 85mm T6 Turbocharger (mid frame) (small block) 2900 lbs.
Single 88mm T6 Turbocharger (Y2K or GT47-88 ) (mid-frame) (small block) 3000 lbs
Single 85mm T6 Turbocharger (Pro Mod 85) (mid frame)(small block) 3050 lbs
Single 88mm T6 Turbocharger (GT55-88, Pro Mod 88 or =) (small block) 3100 lbs
Single 85mm T6 Turbocharger (Large Frame 85) (small block – mod motor or stock valve angle cast head only) 3200 lbs
Single 85mm T6 Turbocharger (Large Frame 85) (small block) 3250 lbs
Single 88mm T6 Turbocharger (Large Frame 88 ) (small block – mod motor or stock valve angle cast head only) 3300 lbs
Single 88mm T6 Turbocharger (Large Frame 88 ) (small block cast head only) 3350 lbs

* Small Blocks (NOS & N/A) with single 4150 carb/throttle body: deduct 50lbs
*Small Block (NOS) with any plate nitrous system: deduct 50lbs (deduct does not apply if used in conjunction with fogger)
* Small Blocks (NOS & N/A) with 23 degree Chevy heads, 20 degree Ford heads, and 18 degree Mopar heads: deduct 100 lbs.
* Small Blocks (NOS only) 18–10 degree valve angle inline head: deduct 50 lbs
* Small Blocks (NOS only) cast t-ram/sheet metal/2 carbs or 2 throttle bodies: add 50 lbs
* Non-Intercooled boosted cars on gasoline: deduct 50 lbs
* Belt driven centrifugal superchargers: deduct 50lbs
* Sheetmetal or cast ram type intake on boosted/blown with billet head combo: add 50 lbs.
* Aftermarket rear suspension COPO Chevy and Drag Pack permitted on the new Camaro and Challengers must be mounted in exact factory location on body/frame. Torque arm on late model GTO/5th gen Camaro. Corvette with any leaf spring suspension permitted.
* Buick/Olds/Pontiac Nitrous combos will be 3150 lbs and not to exceed 588 cu inches
* V-6/Inline 6/4 cylinder Turbocharged/Supercharged/Nitrous combos will deduct 200 lbs from base weight on gas and 100 lbs. if on alcohol
*Factory IRS deduct 50 lbs
**-6 and -4 nitrous line(s) must be of standard braided line construction, (high pressure hydraulic line prohibited as they exceed the internal diameter of industry standard)
Standard spec lines/fittings only only.
Lines
-4 I.D.  .118 to .122
-6 I.D.  .228 to .234
Fittings
-4 I.D. .153 to .154
-4 I.D. with -6 Nut .153 to .154
-6 I.D. .275 to .276
If one combination appears to have an advantage rules may be changed at the race director’s discretion in order to keep a level playing field for all competitors.
Big Block Chevy Cylinder Head:
Conventional Heads as referenced to the original Mark IV design. (BBC symmetrical or raised port design is not defined as conventional for these rules)
- Stock port location/Standard port location – no raised runner
- Floor of port may not be more than .550 from deck
- No port plates or intake manifold adapter plates permitted
- No epoxy or welding permitted except for repair in chambers or between cylinders
- No welding of tops of runners except for adding bolt bosses for rocker stands
- Intake valve angle will measure 24* + or – 1*
- Maximum dimension allowable from deck surface to the top of the intake port will be no more than 3.125
- Heads with “AS CAST” intake port lower than this dimension will be permitted.
- No welding or epoxy permitted to achieve this dimension.
- Tech official has final say at the time of inspection on any issues that may arise
Suggested castings to include the following:
• CFE/BMF 350 – 405cc Big Block Chevrolet
Chevrolet Factory OEM Iron & Aluminum; OEM Aluminum
• Brodix BB-1, BB-1 OEF1, BB-2, BB-2X, BB-2 Extra, BB-2 Plus, BB-3, BB3X, SR23 (non-raised runner Head Hunter)
• Edelbrock Victor & Victor CNC, Edelbrock Victor Jr. CNC Oval & Rect
• Edelbrock Performer RPM 454-O, 454-O, 454-R
• Edelbrock Victor 24-degree Rectangular Port #77419, #77409
• Edelbrock RPM XT Rectangle PN#51539
• Edelbrock RPM XT Oval PN#51459
• Edelbrock Victor PN#61409
• Edelbrock Victor PN#61419
• Edelbrock Victor PN#77609
Pro – Filer Sniper and SniperX 290 cc 320 cc and 375 cc
• Dart Pro 1 310 cc thru 355 cc, Race Series 265 cc thru 360 cc, Dart 380 Pro2
• Canfield Big Block Chevy 24.5-800, 24.5-900
• GMPP Signature Series BB Heads cast # 12363401, 12363391
• Air Flow Research 265, 290, 305, 315, 325, 335, 345, 357, 385, Oval, Rect & CNC Port
• World Products Merlin II Oval & Rect Port 269, 320, 345, 305, 350 Iron & Alum
• (RHS)Pro Top Line Pro Thunder 320, 360 cc Alum & Iron
Big Block Ford Cylinder Head:
- Factory cast Iron heads (don’t think we’ll see many of them )
- A-429 Cobra Jet (Ford Motorsports)
- Cobra Jet (Blue Thunder, Trick Flow)
- Super Cobra Jet (Ford Motorsports, FRPP/Kaase)
- Blue Thunder “B” head
- Street Heat (Trick Flow)
- Edelbrock RPM
- P-51′s (Kaase)
- “A” designation heads (All manufacturers, Ford Motorsports, FRPP, Trick Flow, Eliminator, EX514, etc. . .)
Big Block Mopar
B-1 style cylinder heads only

Sitemap Navigation Here

General Track Information | Navigation


Hub City Dragway Thanks You For Participating At Our Track And Would Like To Encourage You To Browse Our Pages Within The Website For More Descriptive Information About All The Racing And Events Happening, See Our List Of Pages Below Or Use Our Main Menu At The Top Of The Page. Sincerely Hub City Dragway

High Octane IHRA Drag Racing In The Deep South


Hub City Dragway Is Easily Accessible. From Interstate 59. Hattiesburg, Mississippi is centrally located less than 90 minutes from New Orleans and Mobile, the Gulf Coast and Jackson, Mississippi, and it is bordered to the north by Tennessee, to the east by Alabama, to the south by the Gulf of Mexico, and to the west by Arkansas, Louisiana, and the Mississippi River.

Hub City Dragway Contacts


*Location: 331 Eatonville Rd.
Hattiesburg, MS 39401

*Track Phone: 601-545-DRAG (3724)

*Race Coordinator:
Ricky Stanbro
Phone: 601-422-7568
E-Mail- rstanbro@comcast.net

*Track Owners
Todd Nace
Phone: 601-297-3910
E-Mail- tnace@comcast.net

Ralph Abraham
Phone: 601-270-3724
E-Mail- rabrahamjr@comcast.net

hub-city-google-map