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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 8

Stock 8 Rules 2018
GENERAL - tech man has right to check this every week

· No nitrous or traction control
· cars must be neat in appearance
· car must weigh 3350 pounds with driver after race
· 8" wheels max .25" tolerance - 14 or 15" - must be same size all the way
around
· tires - Hoosier H500. When combined with Renegade are Crate Sportsman may run 1 m-500
· may run beadlocks but must face outside
· may run offset rims and wheel spacers
· brake adjusters ok
· dual master cylinders ok
· racing pedal assemblies ok
· oem brake calipers only - doesn’t have to match year and model – NO
ALUMINUM
· headers are legal
· 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 unless otherwise stated

BODY - visual protest only
· stock unless otherwise stated
· 1968 or newer American made car
· no station wagons, trucks, jeeps, convertibles, mustangs, or pony cars
· rear of car must be closed - no holes or flaps
· must have a deck lid - after market or homemade is ok
· aluminum doors and fenders are ok
· may make front fenders and rear fenders
- max with of rear body 72" at spoiler mount
· cannot exceed 48" from ground to the top of the rear spoiler
· may run any replacement roof - must be 48" X 50" - Don't do anything
crazy
· 13" minimum door and rear glass opening
· may run a 6" spoiler and may run a small bracket to support it but
may not be adjustable. may run side spoilers (spill plates) 12" long by 6" high. can not go over sides of rear quarter panels
· interior can be boxed in
· front and rear bumpers - rubber nose ok
· no cold air boxes. may cut hole in hood for air cleaner with 4.5" max tall scoop or air deflector, scoop may be no more than 4" wider than air cleaner
· front inside wheel wells can be cut or removed
· all firewall holes must be covered
· may replace firewall with steel sheet metal (does not have go all the way
across)
· may replace floor pan under driver with steel sheet metal 16 gauge or
18 gauge
· 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
· #1 spark plug cannot be further back than left front ball joint

WHEEL BASE / FRAME
· frame must match make and model of car - 1" tolerance +/- allowed
· no shortening of frame - must be stock - X-bracing ok
· length between spring eyes must be stock
· stock wheelbase for make and model
· Fords may run perimeter framed chassis with unified body - frame must
have stock dimension with no alterations for year model claimed
· radiator must be in stock position within reason
· can run 30" square tubing from rear bumper - length between eyes must
be stock
- ford may take a longer wheelbase car and shorten to a min 108" must be cut at the factory location where the front clip or rear clip overlaps the side rails must be rejoined with factory style reweld at the overlap must be approved by tech man NO BUTT WELDING.

ENGINE - BOTTOM END
· any oem stock size engine with flat top pistons - max size 362
· no big blocks
· stock blocks only
· 350 c.i. plus .060 over bore - can use flat top 2 valve relief pistons
· 2 eye brows legal
· stock type fuel pump
· no vacuum systems of any type
· must be mounted in original location
· any 5.7 i-beam steel rod - no aluminum or titanium - no grinding or
lightening
· if other than a Chevrolet 350 engine - must run stock length rods for the
motor
· no small journal rods (2.000") in a 350 engine
· externally balanced motors must remain externally balanced
· any stock appearing crankshaft
· may use 305 crank with a 350
· no knife edging to a single point or lightening, etc
· steel crank must weigh 50 lbs.
· cast crank must weigh 48 lbs.
· no stroking or destroking
· for balancing purposes the counter weights may be turned – must
maintain 1.950 for steel and 1.750 for cast or may drill
· scat #910442 or #910526
· eagle
· gm crower steel crank #ps-95121
· scat #4-350-3480-5700 - no mallory
· eagle #435034805700 - no mallory
· journals may be turned no more than .060"
· may add mallory to stock gm crank
· racing oil pan is ok - no kick outs in the front of the oil pan
· no dry sumps allowed
· any timing chain - no belt or gear drives
· any oem Chevy or ford cast block straps or spayed caps ok

HEADS
· any oem head except for 461x, 492 castings
· may run dart head part #10024266
· cannot alter anything on the dart heads other than the following:
· 55 cc min chamber volume
· any stainless valve - no titanium keepers, retainers or anything
· may run competition valve job, any depth, any angle. All angles
must be concentric with guide and may not go below guide boss.
· any valve spring and steel retainers and keepers only – stud
mounted rocker arms only
· intake runner and chamber volume will be checked at head protest
· intake runner volume may not exceed 179 cc ON CHEV.
· Ford may run dart head part #13310080
- INTAKE RUNNER VOLUME MAY NOT EXCEED 183CC FOR FORD HEAD
· 59 cc min chamber volume on Ford Head
· max valve size 1.94 intake valve and 1.6 exhaust valve on Ford
head
· no vortec heads or angle flowed heads
· stock type and size valves and springs only
· bee hive valve springs ok but must be stock size which is .280
· screw in studs and guide plates 3/8 or 7/16 roller rockers ok
· stud girdles ok
· any steel retainer
· no hand blending
· no porting or polishing
· steel valves only - step down ok
· stock stem diameter
· bowl cut to top of guide boss ok
· no hand blending
· Chevrolet max valve size - 2.02 intake and 1.60 exhaust
· valve cover breather allowed

INTAKES
· stock cast iron
· no porting or polishing
· no Holley pattern factory intakes
· Ford engines may run Edelbrock RPM Intake #Edl-7181
· bowtie ok on a 350
· no adaptor plates on a bowtie
· Chevy may run edelbrock performer rpm - part # 7101

CARBURETOR
· quadrojet.
· no modifications except choke flap removal
· no removal of choke horn
· may run Holley 600 cfm #1850 carb on a 350 engine
· has to be stock appearing on outside with stock tube and float
bowl
· must have air horn with number
· adapter plate mr. gasket #1932 only 3/4" thick
· may run the 1/4" thick Q-jet gasket
· may run a box stock 650 Holley #4777
· may use a 1" max thickness adapter if using Holley carb on Q-jet
intake with (2) .070" max thickness gaskets only.
· no adaptor plates on a bowtie

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

FLYWHEEL AND CLUTCH ASSEMBLY
· stock type flywheel - 14 lbs. minimum with attaching bolts
· stock type clutch and pressure plate - minimum 10.5" and pressure plate must weigh 12.5 pounds with attaching bolts
aftermarket ok
· must be steel pressure plate
· may run solid clutch disk

TRANSMISSIONS
· must be stock with all working forward and reverse gears
· no automatic transmissions
· no lightening of gears
· 3 or 4 speed cast iron transmission
· straight drive trans. cars must have blow proof bell housing or scatter
shield of 1/8 steel
· may use hydraulic clutch

DRIVE SHAFT
· may run 2" driveshaft
· no carbon fiber
· a "U" or square type safety loop on front of drive shaft assembly is
required

IGNITION
· stock type ignition
- circuit board modules OK
· stock type distributor only
· no altering firing order
· brass gear is legal
· no msd with boxes

REAR ENDS
· gm 10 or 12 bolt rear-end
· 9" ford or floater ok
- TRAILING ARM BRACKET MUST BE IN THE STOCK LOCATION WITH 2.25' FROM THE AXLE TUBE TO THE CENTER OF THE BOLT HOLE WITH .5' OF TOLERANCE.
ALL EXTRA HOLES MUST BE WELDED OR BE MADE UNUSABLE. SAME LOCATION ON BOTH SIDES.
-PLATES FOR SHOCK MOUNTS UNDER LEAF SPRINGS MAY BE FROM EITHER NOVA OR CAMARO, AFTERMARKET OK.
· shocks have to be in stock location - may move for travel only - no angle
change
· may run after market axles
· any gear ratio allowed
· locked or limited slip rear ends allowed
· full spools ok
· gun drilled axels ok
· must have steel calipers
· components must be made of steel or aluminum
· hog head and third member housing must be steel or cast
· disc brakes ok - doesn't have to match model of car
· can cut top of trailing arms for pinion angle
· aluminum hubs OK

SUSPENSION
- ALL HOOK UP POINTS ON CHASSIS MUST BE FACTORY STOCK (ie SPRINGS, SHOCKS, ANY ARMS) AND IN STOCK LOCATION.
· no adjustable blocks
· tube type a-arm on top only ok - non adjustable - any ball joint on top
and stock on bottom
· can use heavy duty OEM steering and suspension parts
· leaf or coil springs can be changed to stronger leaf or coils of the same
type
· cutting of coil spring allowed - rear shims on coils are ok
· adjustable or non adjustable spring buckets ok
· shocks must be in stock location, may move for travel only, cannot change angle NO LIMIT ON AMOUNT
· lowering blocks ok
jacking bolts on rear OK. round pipe may be added to stock mount to extend height for taller springs must retain the stock mount
· adjustable buckets in rear ok or screw jacks - no outboard shocks
· all hook up points on chassis must be in stock location
· cannot change angle of rear shock
· no screw in ball joints on bottom
· aftermarket bushing in a-frames and trailing arms ok but may not swivel
· heim joints on BOTTOM OF REAR SHOCKS OK
· may run any stock body racing shock - pro ta's are ok
· leaf spring cars can run shackles

PROTEST AND CLAIM RULE
· protest bottom - $600 choose one
1) remove crank, weigh and check journals, visual rod and piston from bottom. crank will be weighed with gear and pilot bushing
2) remove piston and rod from engine and visual crank and journals in place

· protest any 3 items - $300
· acceptance fee - $100
· track keeps $100
· can buy any shock for $150 apiece
· any strut type car - front struts are $300 apiece
· transmission protest - $400 - Person being protested has the option to
have transmission torn down by track approved transmission builder or
sale for $400
· 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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