2024 B HOBBY

2024 B HOBBY:

 

Double file re-starts for the 2024 season:

RACECEIVER REQUIRED

All cars must have a fully charged 2 lb. fire extinguisher mounted within reach of the driver. FIRE SUIT, GLOVES AND SHOES. 

LIGHT STICKS NOT ALLOWED. NO OTHER RADIOS OR COMMUNICATION EQUIPMENT SUCH AS PHONES, MIRRORS, ALLOWED AT ANY TIME.

Fort Payne Motor Speedway reserves the right to place drivers in the division most suited for them according to their performance level.

B – HOBBY

All B Hobby Cars MUST RUN FRONT AND REAR BUMPER COVER NO TUBING OUTSIDE THE BUMPER COVER:  Must Have A Rear Tow Hook

B HOBBY 2700 lbs.

602 CRATE ENGINE B HOBBY 2700 lbs.

Limited to American made cars only. NO compact, convertibles, sports cars or station wagons.

 

BODY:

Car with down force nose piece 72″ wide deck, 2700lbs, 8″ spoiler

ALL BODIES MUST BE STOCK APPEARING: Stock, Appearing Aftermarket Steel or Aluminum bodies will be allowed. All aftermarket bodies must have plastic nose and tail pieces, Roofs must be Stock Appearing Fiberglass or Steel, Dirt Late Model style roofs. Hood may be fiberglass, aluminum or steel.  All bodies stock or aftermarket are subject to approval by the technical inspector. Wheel Base must be stock based on the make and model of the car, with a
1″ minimum tolerance.

NO front push bars will be allowed. If you feel you need some protection for the radiator you may build a guard using tubing, but all tubing must be kept completely behind front bumper in the grill area. If you have a body style with a plastic nose piece all guards must be behind nose piece.

Rear push bars permitted.

All cars with stock bodies must have OEM type front & rear bumpers. Both bumpers must have bumper covers. No tubing outside the bumper cover.  Cars with aftermarket bodies must have plastic nose piece.

NO glass or Lexan in windows (must be open).

Any plastic additions must conform to original body contour.

NO homemade nose pieces or body parts.

 

SPOILERS:

Spoilers may have a maximum size of 8” height, by width. 72″ MAX; WIDE SPOILER 8″ TALL. THREE SPOILER BRACES ALLOWED MUST BE TRIANGULAR IN SHAPE MAXIMUM HEIGHT OF 8″ AND MAXIMUM LENGTH OF 18″. Note: Gurney Flaps or Curls are allowed along the upper edge of the spoiler, but their length will be included in all measurements, Spoilers will be measured according to total length of and width of material, in any shape. 72″ wide spoilers 2700lbs.

Three spoiler braces allowed, braces must be triangular in shape, maximum height of 8” inches and maximum length of 18” inches at base.

A metal firewall must encompass the driver’s compartment – front, rear, sides and floorboard.

Boxed interiors permitted.

FRAME & RAILS:

Stock frame rails. Body does not have to match frame but must be OEM stock steel or one of the approved Five Star body kits. This will allow you to use a newer body style.

Tying frame rails together, reinforcing or X bracing permitted.

Weight jack area may be altered. Buckets, plates, etc.

Frame or frame rails may be replaced from snout, (must be a stock automotive Camaro snout) to the rear of car with a minimum of 1 3/4” material and must be .085-wall thickness.

  1. OEM TUBULER CAMARO REPLACEMENT CLIPS APPROVED
    (Must be Tech personnel approved)

FRONT SUSPENSION & STEERING:

Tubular upper control arms and mounts permitted.

OEM Lower control arms for make & model required. After-market bushings permitted.

OEM or Safety spindles and hubs permitted.

5” minimum O.D. May run steel bodied shocks and coil over springs or coil eliminators on rear.

Weight jacks permitted.

OEM steering boxes only.

Inner and Outer tie rod ends may be rod ends and any tie rod sleeves permitted.

Rack & pinion steering allowed.

Racing shocks permitted one shock per wheel, NO canister shocks.

 

 

 

LEAF SPRING CARS:

 

Slide boxes on leaf spring cars permitted, may run steel coil over shock’s and spring permitted with single leaf rear suspension.

Coil overs or coil springs allowed on three link cars, and coil eliminators, coil over shocks permitted

Upper link, rubber bushing torque link or spring-loaded type upper link permitted on leaf cars.

NO 5th coil, 90-10’s, lift bar, pull bar or Reese bar, etc.

Racing shocks permitted one shock per wheel, NO canister shocks, no double adjustable shocks permitted.

 

COIL SPRING CAR:

May use a three-point set up with a rubber mounted upper link bar, solid bar 90-10’s, spring bar allowed.

Solid Panhard Bars with rod ends permitted.

Spring Bars and Biscuit Bars permitted.

Rear lower control arms may be aluminum or steel tubes with rod ends with a maximum length of 26” inches from center to center of the mounting holes.

Rod ends allowed on solid Panhard bar, solid upper link bar and rear lower control arms, this is the only place rod ends will be allowed on rear suspension.

SHOCKS:

 

ROLL CAGE:

All cars must have a suitable steel roll cage protecting the drive’s compartment.

Side roll bars are mandatory and must extend into door panels; a minimum of three bars must be used on left side and two on right side.

Bars must be at least 1-1/2” inch in diameter and a minimum of .095” inch wall thickness.

Roll cage must be welded to frame.

Seat must be fastened to roll bars or rail.

SAFETY:

All cars must have 3” inch seat belts with shoulder harness and must be attached to roll cage. And must be worn at ALL times while on Race Track. And in Date.

We strongly recommend that all cars have an approved fire extinguisher system, securely mounted, within easy reach of the driver.

A 5 lb. Halon System is recommended.

All drivers must wear a complete fire suit.

NUMBER:

  1. Number must be at least 18” inches high and on both sides and top of car AND MUST BE LEGIBLE. ALL CARS MUST HAVE A NUMBER.

FUEL CELL / FUEL:

An approved fuel cell mandatory (32-gallon maximum) must be securely mounted in the trunk area of the car, inside a .20-gauge metal box supported by a minimum of two 2” inch by 1/ 8” inch steel straps.

PUMP GAS OR E85 FLEX FUEL PLUS OR MINUS 2. NO alcohol – NO nitrous oxide, nitro methane or other nitrate additives.

NO propylene oxide.

Gas must not check above + 5 or – 5 on electronic fuel checker when calibrated with tracks racing gas.

Gas must pass acid test.

REAR END:

Locked rear ends required, welded or spool or mini spool permitted.

9-inch Ford floaters allowed.

NO ratchets, True-Trac or any other type locker unit allowed.

Quick changes permitted. Steel or Aluminum Axle Tubes Permitted. No open differentials.

WHEELS:

Steel wheels 12” inch maximum width. May run 14″ aluminum wheels.

Wide 5 wheels permitted.

 

TIRES:

  1. Right Rear Only: 55’s, 56’s, 1600’s and 4″s. Left Rear 55’s, 56’s, 1600’s, 4’s, 3’s, 48, 21’s, 1350. FOR 12″ TIRE CARS. FOR 8″ TIRE CARS AR500 OR H500. Front’s open.

B Tires must have all numbers and name on the tire. NO grinding off, of numbers or names, any tire that has been altered will be illegal.

  1. NO tire softener, tires will be randomly checked before and/or after race and must punch a minimum of 48 (cold or hot) on track durometer.

BRAKES:

 

EXHAUST / MUFFLERS:

Collector type headers only.

NO deliberate air leaks, vents, holes, etc.

Mufflers 25 lbs. weight brake.

TRANSMISSION:

 

Must have at least one forward and one reverse gear in working order.

NO special production transmissions.

Automatic transmission permitted, must have OEM type torque converter (10” minimum) in working order.

STARTER:

  1. All cars must have starter in working order.

B HOBBY ENGINE RULE

ENGINE SETBACK:

Front most forward spark plug must be in line with or in front of top ball joint, (1′ TOLERANCE).

Must have original engine cross member in original position, Drive train must be in center-line of car.

ENGINE:

All engines have a maximum bore size and must be standard stroke for engine being used.

Small blocks only, NO big blocks.

Chevrolet LS 4.8 and 5.3. Ford 5.4 Must be Stock Factory Bore.

BLOCK:X

OEM Cast iron V-8 block only.

Maximum cylinder bore size, Chevrolet 4.060, Ford 4.060, Chrysler 4.060

OEM main caps only, NO after-market main caps, NO splayed, studded or strapped main caps.

Deburring block and plugging deck to strengthen block permitted.

Plug or vent and screen oil drain holes in lifter valley permitted.

May surface deck of block.

Lifter bore must be OEM diameter for engine, Chevrolet .840, Ford .875, Chrysler .901.

CRANK:

Standard production OEM or Stock Replacement cast crank only.

(NO STEEL CRANKS ALLOWED)

Must be standard production stroke for engine.X

EXAMPLE:

327cid Chev – 3.250 / 350cid Chev – 3.480 302cid Ford – 3.000 / 351cid Ford – 3.500 360cid Chrysler – 3.580
NO stroking or de-stroking, NO lightening or knife-edging crank.

NO turning down counter weights or drilling crank pins.

Eagle ESP Cast Crank Part # 103503480 will be allowed. The thru holes will not be considered “drilling the crank pins” due to the cranks are manufactured with the thru holes.

May balance engine.

RODS:

Stock length OEM or Stock Replacement rods.

All rods must have rod bolts with nuts.

NO 6” rods allowed.

NO sportsman type rods.

High performance rod bolts and nuts permitted.

NO polishing rods.

PISTONS:

Four (4)-eyebrow cast or hyper-eutectic pistons only.

NO two (2)-eyebrow pistons allowed.

NO dome pistons.

CAM:

Any Hydraulic Cam Permitted.

NO roller or mushroom or radius cams.

LIFTERS:

Hydraulic lifters only.

Anti-pump-up lifters permitted.

NO cheater hydraulics or modified lifters.

NO roller or mushroom or radius lifters.

NO lifter-retaining tray.

Lifter must be OEM diameter for engine, Chevrolet .840, Ford .875, Chrysler .901.

TIMING CHAIN:

Double roller sprockets & chain.

NO gear or belt drives.

HEADS:

OEM standard production cast iron heads only, must have casting numbers and numbers must be readable at the time of a cylinder head check.

62cc limit on Chevy heads, Ford Head 62 cc minimum. 

World Products (Stock Replacement) Chevrolet heads casting # I-052 permitted.

Ford and Chrysler angle plug standard production cast iron heads permitted.

Chevrolet LS 4.8 and 5.3 Heads Part Numbers 241; 243; 706; 799; 862 only. Ford 5.4 Factory Stock Heads.

NO Bow Tie, W2 or Ford SVO heads.

Steel valves only, NO titanium,

Maximum size for Chevrolet, Int. 1.940, Exh. 1.500

Maximum size for Ford and Chrysler, (Consult Tech Inspector)

Valve stem diameter 11/32 minimum for all engines.

NO undercut stem valves allowed.

Any type guides permitted.

Stock valve springs only (With Flat Dampener) 

Steel retainers required.

Flat guide plates permitted, No stud girdles allowed.

Screw in studs permitted 3/8 Maximum diameter. May run flat guide plates.

Stamped steel rocker arms or Roller Rocker Arms.

Roller tip or roller rocker arms Permitted.

NO after-market shaft or pedestal mount rocker arms allowed on Chevrolet.

If standard production head came with shaft or pedestal mount rockers, they will be allowed.

Racing valve job permitted Machine cuts only.

NO porting or polishing, all heads must remain AS-CAST.

NO port matching or deburring intake or exhaust runners.

NO blending valve job to casting.

HARMONIC BALANCER:

Standard balancer only.

NO fluid damper permitted.

OIL SYSTEM:

Wet sump oil pump in pan system only.

NO dry sump system.

Racing oil pan and \ or windage tray permitted.

Remote oil filter and oil cooler permitted.

WATER PUMP:

Cast or aluminum permitted.

NO electric water pump.

FUEL PUMP:

Block mounted mechanical pump only.

NO electric pump.

FLYWHEEL:

  1. Steel flywheel only. (14 lb.) Minimum on flywheel.

CLUTCH:

STANDARD STOCK TYPE DISC AND PRESSURE PLATE. STEEL FLYWHEEL WITH TRIPLE DISC CLUTCH 50 LB WEIGHT PENALTY.

NO special production clutches or clutch parts.

Must use diaphragm type pressure plate, with solid face.

NO 3-finger pressure plates.

10’’ inch minimum diameter on clutch.

Full circle fiber type disc with spring loaded hub only, NO puck type fiber disc or solid hubs allowed.

Pressure plate and disc must be steel.

DISTRIBUTOR:

OEM factory HEI or OEM factory single point distributor only.

MSD Box Part Number 6014 for Chevrolet LS 4.8 and 5.3.

After-market coil and module will be allowed as long they are stock appearing and mount in stock location with NO modifications.

Advance kits permitted.

NO ignition booster or amplifier to ignition.

NO dry cell battery pack to ignition.

Alternator, if used must be wired to battery, NO loop system wiring to distributor.

INTAKE:

Any single four-barrel intake permitted.

Any size carburetor spacer permitted.

CARBURETOR:

Any Four Barrel Carburetor Permitted.

K & N flow control air cleaner permitted.

B HOBBY OPTIONAL 602 CRATE ENGINE: 2700 lbs.

  1. GM P/N # 88958602 – 350 CID / 350 HP

GM Engines may be purchased at any GM dealer.

The sealed engines must remain intact and not be tampered with; any seals that have been removed or tampered with will make the engine illegal and not eligible for competition at Fort Payne Motor Speedway.

NO changes are allowed to the engine (intake manifold, heads, valve covers, oil pan, harmonic balancer or any other part /or parts on/or in the engine.

NO vacuum pumps.

All 602 crate engines must remain stock as they came sealed from the factory. 602 Crate Engines must not be altered, modified or changed from factory specs.

TOTAL LIMIT AMOUNT WEIGHT BREAK FOR ALL SAFETY AND EXHAUST IS 50 LBS MAX

WEIGHT:

B HOBBY 2700 lbs. minimum with driver.

602 Crate Engine B HOBBY 2700 lbs. minimum with driver.

All cars must have specified weight posted on top of roof.

20 lb. weight allowance after feature race.

All weight must be bolted on.

Track reserves the right to adjust weights in interest of competition should it deem necessary.

Full Containment Seat 25lb Weight Break.

Plumbed in Fire Extinguisher System 25lb Weight Break

B HOBBY PROTEST FEES

$350.00 One Head (2 valves will be pulled)
$250.00 Oil Pan

$300.00 Flywheel and Clutch
$100.00 Engine Setback
$100.00 Gas
$150.00 Rear End
$250.00 Intake

 

Any sealed Crate Engine will be $1500.00 to tear down, Will pull complete motor and take to approved Engine Builder.  

 

 

NOTE: The 8 rule / we will allow .008 thousandths on the bore, stroke and valve size.

Any Crate engine protested must be reassembled and resealed by one of the Authorized Repair/Rebuild Centers.

Any item not listed in protest fees is considered a visual protest item and must be protested before race and not after.

CRATE ENGINE REPAIR & REBUILD PROGRAM

Fort Payne Motor Speedway has in place a network of Authorized Crate Engine repair and rebuild centers. All repairs and rebuilds must be done by one of these Authorized Repair/Rebuild Centers. The engine will be repaired or rebuilt and sealed according to the engine manufacturer’s guidelines provided by the manufacture of the engine. For a complete list of the Authorized Repair/Rebuild Centers call Fort Payne Motor Speedway at (256) 623-RACE (7223) Colt Kelly (256) 677-3859; Destin Purvis (407) 306-8343; TJ McCoy (256) 570-4192

Track reserves the right to delete, change, or amend rules in the interest of competition.

2024 FORT PAYNE MOTOR SPEEDWAY ALL RIGHTS RESERVED.