2014 Hobby Stock
THOSE ITEMS NOT ADDRESSED IN THE FOLLOWING MUST REMAIN STOCK AS
PRODUCED BY THE ORIGINAL MANUFACTURER
This is a stock class: Items must remain OEM
stock as produced by the original manufacturer except for the items
addressed in the following.
1. BODY Any American made car from 1967 to present. Wheelbase must
be OEM factory stock. No subcompact cars. If chassis is altered or
steering parts (tie rods, etc.) are not stock and in stock location,
it's not legal Complete bodies and frame that year model Body must
look factory stock. (May use sheet metal or aluminum) All doors must
be secured to the body. Enclosed interiors are allowed.
Rear spoilers must be factory. Hood and trunk must be pinned or have
factory hinges. Must have a complete factory stock floor pan and
firewall in stock location. Rear firewall must extend from bottom of
rear window to floor pan.
Trunk area may be cut to allow for fuel cell placement. Seat must
remain on driver’s side.
Rear fender well must remain in stock location from the factory
shock mount forward. Rear fender well and Firewall may be trimmed
for tire clearance.
Bumpers may be square tubing-must run inner rub rail- Minimum size 1
1/2'' round tubing on rear bumper. Roofs must remain stock. (No chop
tops) Holes in firewall must be covered with metal or aluminum. All
glass must be removed, including head and tail lights. No rearview
mirrors allowed. No nurf bars allowed
Must have factory stock OEM frame front to rear. (May be tied
together) Drive shaft loop or chain is mandatory. 6" back from front
u joint-drive shaft and loop must be painted white. All weights must
be painted white and securely fastened with two 1/2'' bolts, to
eliminate injury and hazardous conditions. Failure to have your cars
weight securely fastened is grounds for disqualification or position
penalty at the discretion of the tech official. No weights can be
mounted above bottom of window opening. Factory gauges may be
removed. All flammable interior (carpet, head liner, Interior side
panel, etc.) must be removed. Quick steer and steering wheel
couplers are allowed. Stock steering columns allowed.
Cannot run wing and wall both, Wing cannot extend more than 6" past
top of rear glass opening Wing cannot extend past more than 6" past
top windshield opening Wings cannot extend out more than 2" on each
side past body No adjustments remotely (from within car) Minimum
wing size 12 square foot total side panels to get bonus money
Rear of Wall Must be within 6" of back of car body not bumper 4'
tall max from front to rear measured from lowest part of top of the
rear body 4'x4' max on wall measured from body
2. Weight: 3,300 lbs.
3. Engine and drive train #1 spark plug must be lined up with or
forward of left ball joint. Any manual transmission must have 180
degree explosion proof steel bell housing or explosion proof
blanket. Engine must be stock production. Factory blocks only. GM to
GM, Ford to Ford, Dodge to Dodge. Flat top or dished "Cast" pistons,
No domes. Casting numbers must be readable by tech official. No 400
blocks. Maximum cubic inch displacement to include clearance and
wear is 360 for GM, 363 for ford, and 370 for mopar. All others must
not exceed 370 cid. NO STROCKING OR DESTROKING.
Intakes: Aluminum or cast intakes allowed single or dual plane
allowed. NO AIR GAP INTAKES or sheet metal intakes. No porting of
the heads or gasket matching of intake or heads. Intake may not be
reworked under the carb area. No aluminum heads, no angle plug heads
excluding Ford and Dodge. No double hump/vortec heads for GM. Valves
must not exceed IN 1.940 / EX 1.500 all manufacturers.
Carburetors: Can be no longer than a Holly #4412 500 CFM 2 barrel
and must pass inspection from top side with gauge. Bottom of carb
can be no longer than 1 11/16" in diameter. (MUST BE STOCK VENTURA
1-3/8'') May run Rochester 500 CFM 2 barrel. (Subject to be pulled
off and checked). Factory OEM style distributors. (GM=HEI) NO MSD
distributors, No remote coils on GM distributors. No onboard
electronic devices capable of storing information allowed with the
exception of recall tachometers. No aftermarket electronic
amplifying devices allowed. No performance modules. Hydraulic cam
shaft and lifters only, stock rocker arms or roller tip rocker arms
allowed. Cam must be 480 lift at the valve NO EXCEPTIONS! No flat
tappet cams or mushroom cams. No Roller Hydraulic cams.
Headers allowed. Factory stock automatic or standard transmissions
must have working clutch. Must use factory stock 10'' minimum
diameter clutch and pressure plate. Stock steel OEM flywheels only
(aftermarket pedals ok non adjustable within drivers reach)
Stock type 10" or larger factory torque converters required on all
automatics, Temperature reading will be taken to ensure torque
converter is not a dummy. Driver must be able to put car in gear
from park/neural and move forward and reverse at time of inspection.
Tires, Wheels, Suspension
Any asphalt pull off, must durometer 55 or greater after race.
Grooving and siping is allowed.
Steel racing wheels only. Maximum width is 10". Right rear bead lock
recommended. 1/2" thread studs and 1" lug nuts Mandatory. All
suspension must remain stock and in stock location, non adjustable
shocks only . No relocation of
mounting points. Springs may be aftermarket. No use of chains or
other items to limit the suspension travel. No weight jacks or
spring sliders allowed. Rear springs must use stock upper spring
pads in stock location. Shocks must mount in stock location Heims
ends allowed. 9" rear ends allowed in all cars. All rear ends must
be spooled or welded. Must be in stock location. (Floater Allowed)
Pump gas or racing gas only.
(If you have questions just ask)
You can run under the above
rules or you may choose to run under these rules but you cannot mix
and match you must choose one set of rules
Alternate rules for hobby
ITEMS NOT ADDRESSED IN THE FOLLOWING MUST REMAIN STOCK AS PRODUCED
BY THE ORIGINAL MANUFACTURER.
FRAME & BODY:
1. Any year model
American made car. Wheelbase must be factory stock. No tolerance.
No subcompact cars. Rack and pinion cars must be factory stock parts
only. Steering parts (tie rods, etc.) must be stock and in stock
location. Factory stock OEM frame front to rear. No alterations
allowed except: front cross member may be notched for fuel pump.
Complete body and frame for that year model. Body must look factory
and be in stock position. May use sheet metal or aluminum. All
doors must be secured to body. Hood may be fiberglass or sheet
metal, hood and trunk must be pinned down. NO plastic on rocker
panels or fenders, NO ground effects on nose pieces. Rear spoilers
may be used if came stock from factory and conforms to stock
specifications. Spoiler must not be wider than trunk lid. Back of
body must be enclosed fender to fender. Must have a complete factory
floor pan and firewall. Holes in firewall must be covered with metal
or aluminum. Rear firewall must extend from bottom of rear window
to bottom of floor pan. Trunk area may be cut no further forward
than pinion of rear end, must maintain inner fender well that
attaches to floor pan. Rear fender wells and firewall may be
trimmed for tire clearance. Front fender wells may be unbolted and
Bumpers may be square tubing – must run inner rub rail – minimum
size 1 ½ inch round tubing on rear bumper. Must have tow loops
front and rear.
weights must be painted white with your car number on it and
securely fastened with ½ inch bolts to eliminate injury and
hazardous conditions. Failure to have your car’s number on a weight
or failure to have it securely fastened is grounds for
disqualifications or position penalty at the discretion of the Tech
Enclosed interiors allowed. All glass must be removed, including
head and tail lights. No rear view mirrors allowed. Factory gauges
may be removed. All flammable interior- carpet, head liner,
interior side panel, rear seats, etc. must be removed. Wiring
harness may be removed and replaced. All window openings must
remain factory size. May have 5" plastic sun screen on front
window. A minimum of 3 windsheild bars are required in front of the
driver. Must have stock front dash in stock location.
Must have racing seat (in stock location) and 5 point harness with
crotch belt. Must have window net or arm restraint. Driver must
have helmet, neck brace, fire suit and fire resistant gloves &
shoes. Must have fire extinguisher mounted inside car. THESE ARE
MANDATORY, NO COURTESY NIGHTS ON ANY SAFETY EQUIPMENT.
Quick release steering wheel and ¾” round steering shaft MANDATORY
. NO stock steering columns. May run quick steer.
8. Aftermarket gas and brake pedals allowed, non-adjustable only
Must weigh 3400 lbs. after race with driver. Top 5 cars weigh after
heat races. Last chance transfer spots will weigh. Top 5 will
weigh after “A” feature .
& DRIVE TRAIN:
MUST HAVE BEEN AVAILABLE IN THIS VEHICLE. YEAR MAY BE
INTERCHANGED. MUST HAVE 180 DEGREE EXPLOSION PROOF STEEL BELL
Engine must be stock production. Factory block only. GM to GM, Ford
to Ford, Dodge to Dodge, flat top or dished pistons, No Domes.
Stock GM crankshaft 3.480 STROKE and STOCK GM RODS. Must have a 1
inch plug in the oil pan for inspection, needs to be on the driver
side behind the motor mounts for tech inspection. No bowtie or
aluminum blocks. Casting numbers must be readable by tech official.
No 400 blocks. Maximum cubic inch displacement to include clearance
and wear is 364 for GM and Ford and 370 for Mopar. All others must
not exceed 360 CID.
#1 Spark plug must be lined up with or forward of left ball joint.
Any production cast iron intake or unaltered aftermarket dual plane
aluminum intakes allowed:
# 8016 # 8024 #8121 # 8126 # 8150 # 8151. FORD # 8020 # 8023 # 8124.
CHRYSLER # 8007 #8022.
EDELBROCK GM #2101 #2104 #2116 #2701 #2716. FORD #2121 #2181 #3721.
GM #300-28 #300-48.
Brezinski intakes. No porting of the heads or gasket matching of
intake or heads. Intake may NOT be reworked under carb area. Carb
spacer no taller than 1 ½ inch allowed. CARBURETOR CAN BE NO LARGER
THAN A HOLLEY #4412 500 CFM 2 BARREL AND MUST PASS INSPECTION FROM
TOP SIDE WITH GAUGE. BOTTOM OF CARB CAN BE NO LONGER THAN 1 11/16”
IN DIAMETER. (MUST BE STOCK VENTURA 1 3/8”)MAY RUN ROCHESTER 2
BARREL (SUBJECT TO BE PULLED OFF AND CHECKED).
Factory style distributors. (GM = HEI) No MSD distributors, No
remote coils on GM distributors. No onboard electronic devices
capable of storing information allowed with the exception of recall
Tachometers. No aftermarket electronic amplifying devices allowed.
No aftermarket modules.
Battery may be relocated and must be securely mounted in a battery
Hydraulic camshafts & lifters only, stock stamped rocker arms. NO
flat tappet cams or mushroom cams. No roller hydraulic cams.
Hydraulic camshaft with shafts 480 Max lift, .480 at the cam shaft.
If you are in doubt get with Tech official and check before
competing. Cars will be checked in tech. Zero valve lash is
Heads must be stock OEM production only. No aftermarket heads
except unaltered summit racing part number SUM-152123 SR heads ok.
Casting number must be readable by tech official. 2.02 – 1.60
valve springs OK. Screw in studs allowed. No angle milling of
Blocks or heads, No Brezinski products, No porting, No polishing, No
acid dipping, or anything similar allowed to heads or intake.
Factory stock automatics or standard transmissions with all working
gears. Must use factory stock OEM clutch disc and pressure plates
on stock steel OEM flywheels only, NO EXCEPTIONS. Aftermarket
clutch pedal ok. Stock type, 10” or larger, WORKING factory torque
converters required on all automatics, temperature reading will be
taken to ensure torque converter is not a dummy. Driver must be
able to put car in gear from park / neutral and move forward and
reverse at time of inspection. Must have drive shaft loop 6 inches
back from u-joint. Shaft & loop must be painted white.
Fuel cell mandatory, must be in stock location. Cell must be
securely installed with 2” wide by 1/8” steel straps. Pump gas or
racing gas only. No nitrous oxide or other performance enhancing
chemicals allowed. Bars may be added to protect gas tank and
Roll cages are required. No screw joint fittings allowed. The
minimum requirement for all roll cages shall be an “A” shaped
affair, constructed of at least 1 ½ OD pipe with bars running from
the upper right corner to the lower left corner, and just the
opposite on the other side, forming a “X” as viewed from front to
rear. There must also be a cross bar on top of “A” and 4 bars down
the side and 4 bars around the top to complete a caged affair around
the driver. All roll cage pipes must be at least .095 in
thickness. Must have 4 door bars on driver side and 2 bars on the
passenger side. Drivers side must have door plate. The driver and
passenger doors inner liner only may be altered as necessary to
install bars in the door area. No further gutting allowed. Gussets
WHEELS & SUSPENSION:
IMCA, street or asphalt pull off tires only. No recaps or dirt late
model tires. 275/60/15 largest street tire allowed. All tires
must pass tech inspection.
Steel racing wheels only. Maximum width is 10” Right rear
bead-lock recommended. NO plastic or aluminum wheels. 5/8” stud
and 1” lug nuts MANDATORY.
Unless otherwise specified ALL SUSPENSION MUST REMAIN STOCK AND IN
STOCK LOCATION, WITH NO ALTERATIONS. NO relocation of mounting
points. NO use of chains or other items to limit suspension
travel. NO weight jacks or spring sliders allowed. NO gold tracs
or any form of traction devices allowed.
May run aftermarket springs. Rear springs must use stock upper
spring pads in stock location.
racing shocks or heim mounted shocks allowed. Shocks must mount in
stock location. Only 1 shock per wheel. No spring assisted shocks
unless it came factory on that vehicle.
All control arms must mount up in stock positions. No aftermarket
control arms. No Johnny joints.
Any stock American made car or ½ ton truck rear ends allowed. May
run 9” Ford rear end but all brackets and shocks must stay in their
original locations. Grand national rear ends ok for safety. Locked
rear ends required.
Must have working 4 wheel brakes. May switch too disk brakes on
run under Either of the 2 above set of Rules, or you may choose to
run under theses rules but you cannot mix and match you must choose
one set of rules
BODY: Any American made stock passenger car
with full frame, or Chrysler unibodies. NO front wheel drives. Stock
appearing aftermarket plastic nose or tail pieces are allowed. A
front visor is allowed on the windshield area maximum 7 inches.
Sunroofs and T-tops must be reinforced and enclosed. No nerf bars.
Maximum one inch wide by two inch tall steel or Lexan rub rails
allowed – bolted flush to body. All glass, plastic, upholstery,
lights, mirrors and trim must be removed. Can run sheet metal doors
but the rest of body panel’s must be stock metal. Front inner fender
wells may be removed. Cars must be strictly stock. NO cutting,
channeling, shortening or modifying is allowed. Front and rear outer
fenders may be cut for wheel and tire clearance. NO excessive
trimming of fenders allowed, must maintain stock appearance. NO
enclosed interiors or decking allowed. No part of dash can be more
than 28 inches from back edge of the center of the hood. Front and
rear firewalls must remain in stock location and be full and
complete. ALLopenings should be covered as to isolate the driver,
subject to track approval. Race car body should be maintained in
such a manner as to keep a presentable appearance. Cars with floppy
or loose parts will NOT be allowed to race until such repairs are
BUMPERS: Stock type rear
bumper required. Stock type front bumper may be used, or a
fabricated front bumper may be used with the following conditions:
cars with aftermarket nose pieces - the bumper may extend past frame
rails for support and reinforcements; cars without nosepieces - the
bumper may not extend past front frame horns. NO SHARP EDGES.
ROLL CAGE: Minimum four-point
cage, minimum size 1 ½ O.D. by .095 wall thickness. Minimum three
bars in driver’s side door and two bars on passenger side door
(three bars if passenger in car). Four-point quick release seat belt
and harness required for driver and passenger. Racing seats
required. Must have window nets for driver and passenger. Must have
three bars in front of driver and passenger in windshield area.
ENGINE: must be stock for the
make and model except no 400’s or larger small or big blocks. All
engine components, distributor, etc… must be strictly stock. Cast
piston only. Chevy must use 4 equal valve relief pistons. Mini
starter and aftermarket pulleys OK. Aftermarket power-steering pumps
OK. Metric cars may run a 350. NO stroking or de-stroking. Engine
must be in stock location. Solid motor and transmission mounts OK.
Maximum cranking compression 175 lbs. (ignition off, engine turned
over 5 times).
Aluminum Water Pumps OK.
CAMSHAFT, VALVE TRAIN AND
CYLINDER HEADS: Hydraulic cam and lifters only. .450 lift maximum on
camshaft lift. 1.94 maximum intake valve diameter, 1.50 maximum
exhaust valve diameter on Chevrolet engines. Stock size valve
springs and stock length pushrods only. Stamped steel 1.5 rockers
and 3/8 studs on Chevy, 1,6 on Fords and Chrysler, NO roller tips.
Open chambered heads only, must be unaltered, O.E.M. NO porting,
polishing or gasket matching allowed. Screw in studs and guide
plates OK. 305 engines may use 305 heads (no vortec). Neck down
CARBURETION AND FUEL SYSTEM:
Holley 4412, 2 barrel only. Must be unaltered. Choke plate may be
removed. 4412 must be cast into body of carburetor. Maximum 1 inch
spacer. Fuel pump must be in stock location for make, NO electric
pumps or fuel injection even if factory equipped.
EXHAUST: Stock unaltered cast
iron exhaust manifolds only. NO Chevy center dump, Corvette, marine
or tubular steel type manifolds. Mufflers required. NO exceptions.
INTAKE MANIFOLD: Stock
unaltered or cast iron intake only. NO aftermarket or stock high
performance or high rise. NO bowties. NO porting, polishing or
TRANSMISSIONS: Any stock type
automatic or manual. Automatics must have working 11 inch torque
converter. NO direct drives. Transmission cooler OK. Manual must
have 10.5 inch clutch and steel flywheel. NO mini clutches. Steel
drive shafts must be painted white and have a loop 6 inches from
FUEL: Pump gas , R acing fuel allowed. No additives or smells. Fuel
tank must be secured in trunk. Fuel cells recommended.
SUSPENSION: Front and rear
suspension must be stock for that make and model of car. May use
tubular upper control arms on front mount but MUST be IN STOCK
mount. NO air shocks. NO other alterations to any part of the
suspension will be allowed. Any spring in stock location, NO spacers
or adjustable weight jacks of any kind, must sit in unaltered stock
mounts. Any stock mount shock.
REAR END: Stock rear-end for make and model. Gears may be locked.
Gear ratio optional. 9" Ford rear-end is allowed.
STEERING AND DRIVER
SEAT:Steering boxes must remain in stock location. Aftermarket
steering wheel and quick release steering coupling are recommended.
Quick steer boxes allowed. NO part of driver seat may be no further
back than 25 inches forward of center line of rear end housing.
RADIATORS: Any (1) radiator
that fits in original location without any body modifications is
allowed. Water pump mounted fans only, NO electric fans. Fan spacers
IGNITION: One 12 volt battery
only must be mounted securely in rear of driver’s compartment or
trunk area. One stock distributor in stock location only. NO
modifications allowed. Module and coil must be stock. Plugs and
wires may be aftermarket. Ignitions on/off switch must be clearly
marked. NO traction control devices of any kind.
BRAKES: May use any one (1)
Master Cylinder. After market pedal is OK . Must have 3 working
brakes. Right front may be blocked. NO bias adjustment is allowed.
Disc brakes allowed in rear, NO aluminum or composite rotors. Must
use steel stock type rotors on rear disc.
TIRES AND WHEELS: 8 inch
maximum wide wheels allowed, 15 inch diameter steel wheels only,
wheel covers and mud plugs right rear only.NO bead locks or screws
allowed. NO bleed-off valves. Must run 1 inch steel lug nuts.
Approved Hoosier asphalt pull-offs only, 35 or higher, must
durometer 51 or higher. NO tire softening allowed. All 4 tires must
be asphalt pull-offs. NO EXCEPTIONS.
WEIGHT: Weight must be
securely added to car. Car must weigh minimum 3000 lbs. With driver
Stock means stock