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AUG 4 2018

Aug 4 2018 Spectators Race FWD Shoot Out Race #5 DOUBLE POINTS IN ALL DIVISION

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Rules:
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2018 Stock 4 and Young Guns


Stock 4 2018
STOCK 4 RULES WILL RUN BY MMSA RULES and also SECA RULES SEE seca RULES AT WWW.SECARACING.COM/RULES.HTML
GENERAL - tech man has right to check this every week

YOUNG GUNS 2018
GENERAL - tech man has right to check this every week
No nitrous or traction control
young guns must be 10-17 years old at the first race
any 1970 or newer 4-cylinder car allowed except: no turbo or fuel
injected REAR WHEEL CARS , no multi carb engines, no trucks, convertibles, or station
wagons, only 2 wheel drive cars, no rotary, mid, or rear engine cars, no
cosworth engine cars
-FRONT WHEEL DRIVE CARS MAY BE FUEL INJECTED
cars must be neat in appearance
car must weigh 1 pound per cc with a minimum of 2000 pounds
cars cc must be posted on hood and must be correct cc
60 or 70 series radials - no directionals or competition tires
may run beadlocks but must face outside
wheel studs ok
no brake adjustors within reach of driver
no drilling or machining down of rotors for lightening purposes
racing master cylinders ok
fuel cell must be mounted inside of trunk with firewall between driver
and fuel cell
seat must be securely fastened to frame and/or roll cage
track fuel only - must pass track test
cars must have number on sides and top and able to be read by score
tower
stock cast iron manifold
-HEDDER OK
electric or manuel fuel pump ok

BODY - visual protest only
stock auto only
may have complete aluminum body
inner panel may be removed
rear of car must be closed - no holes or flaps
must have stock front firewall in stock location
must have floor pan
must have rear firewall or driver compartment must be boxed in
aluminum doors and fenders ok but must retasin stock shape and
appearance
after market nose piece ok
must run hood
may have a 2 1/2" hood scoop must be boxed in
no ground effects or skirts
interior spoiler can be no higher than dash
may run a 6" x 60" rear spoiler - cant go over side of quarter panel
must be self supporting - no spill plates
made quarter panel pieces must start at bottom of bumper and go in a
straight line to wheel opening
all firewall holes must be covered
may replace firewall with steel or aluminum metal
may replace dash with sheet metal - interior metal cannot be higher than
dash
may use lexan in rear side windows
bumper cannot exceed past the inside of the rear tire or must run a
bumper cover

CHASSIS
must have roll cage and all safety equipment
cage must be secured to unibody
may tie chassis together on top of floor pan only
square tubing from front bumper to firewall can be used

ENGINE - BOTTOM END
stock engine location - no set backs
no engines with more than 2 valves per cytlinder
cc must be based on original bore of block
formula for cc - bore x bore x .7854 x stroke x 4 = cid then divide cid
into .061 (5 cc's for wear allowed)
no rotery or turbo or double OHC permitted
OEM only .080 over max bore - not to exceed 2500 cc
aluminum cam gear or pulley allowed
any steel rod - no aluminum or titanium
stock crank with stock stroke
can not be lightened
may add 50 pounds for a lightened crank
oil pan - any wet
no dry sumps allowed
any flat top piston - toyota 1600 and 1800 may run dome of .235 tall
and must add 50 lbs. for .267

HEADS
OEM may be changed from one size engine to another
may have competition valve job with any angle or depth
must not touch bottom of valve boss
all angles must be concentric with valve guide
any steel valve stock diameter may be undercut stem
double valve springs ok but must be steel
any steel or retainer
lifter has to be stock diameter - solid ok
no porting or polishing

INTAKES
OEM only
no porting or polishing
no fuel injection manifolds except for chevrolet and any other engine
that only came with fuel injection
intake has to be stock

CARBURETOR
stock carburetor or holley 350 CFM (#7448 or 0-80787-1)
must have airhorn with number
may cut end of screws
no thinning of shafts
no polishing or grinding
spacer and adapter - any 1" max thick together - NO TOLERANCE
2 gaskets @ .070 thick max each

CAM
solid or hydraulic
maximum .425 lift at valve with .025 lash at valve for solid
maximum .425 lift at valve with 0 lash at valve for hydraulic
no swapping of any lobes - must be in stock order

FLYWHEEL AND CLUTCH ASSEMBLY
stock flywheel must weigh 16 lbs.
must have stock or stock replacement clutch and pressure plate
stud for pressure plate ok
cannot relocate bolt hole pattern
no scallop flywheels

TRANSMISSIONS
must be stock with working forward and reverse gears
must have safety loop
cannot remove or lighten of gears

DRIVE SHAFT
minimum of 1 1/2" diameter
any steel
must be painted white with number on it

IGNITION
stock distributer - no msd
no altering firing order
brass gear is legal

REAR ENDS
any stock up to 8.8 for make of car
no gun drilled axles
no full spools
housing cannot be modified for gear clearance
may lock rearends
no lightening of any gears
may add 25 pounds for cut gears but may not modify rear end housing

SUSPENSION
must be stock suspension
lowering blocks ok
adjustable buckets ok springs must be in stock location
may run spring buckets or screw jacks
caster and camber plates ok
stock body shocks only
may adjust shocks for travel but cannot change the angle of the shock
may change pinion angle
after market bushings and monoballs in a-frames and trailing arms ok
bushings or offset bushings ok in steering rack

PROTEST AND CLAIM RULE
protest bottom - $400
protest any 3 items - $300
acceptance fee - $100
track keeps $100
may buy any shock on the car for $125 apiece
could be required to add weight to cars from other track who normally
do not race at Harris Speedway to adjust to the rules.
Tech man has final say
Posted by Wayne Clayton

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