2017 Pure stock V8 rules....


GENERAL - tech man has right to check this every week

·   No nitrous or traction control   
·   may run engine fan, no electric fan   
·   may run air breather, aftermarket ok. Cannot pertude though hood. No air box   
·   ford soleniod, radiater, and fan shroud can be made from aluminum   
·   all 14" or 15" rims   
·   no dot racing tires   
·   tires - any 70, 75, or 78 series street legal d.o.t. Tires - doesn't have to be same size   
·   no truck, mud grips, high performance, directional, special order, snow, trick gumball, fancy,   
or exotic tires of any kind   
·   wheels must be stock steel or may run the aftermarket nomad spoke wheels (wagon style)   
·   7" stock offset wheels only - no beadlocks   
·   large 1" wheelnuts are ok   
·   battery may be moved to inside drivers compartment and must be enclosed and securely
mounted   
·   rollcage required - must be 4 point with 3 drivers side bars and 2 right side bars minimum   
·   may run bars to radiator but may not pertrude through radiator support   
·   may run bars to back but no bumper bars pertruding outside   
·   fuel cell mandatory with 22 gallon max - hole in trunk may have 3" clearance cut around cell   
·   must have steel firewall where back seat was   
·   no lead or any weight may be added to car   
·   exhaust must be stock cast iron. No center dump manifolds. No x pipes or h pipes. Factory y
ok   
·   aluminum radiator ok   
·   fuel cell must be mounted inside of trunk with firewall between driver and fuel cell   
·   cars must have number on sides and top and able to be read by score tower   
·   stock unless other wise stated   
·   stock brakes   

BODY - visual protest only   
·   stock unless otherwise stated
·   1968 or newer American made car   
·   complete stock body must be retained. Can cut 2" below factory crease to replace body panels   
·   may use steel 2" below factory crease for quarter panels but must look stock and I do mean stock   
20 gage steel   
·   may use steel doors but must look stock and I do mean stock 20 gage steel   
·   may run rubber nose - top part only   
·   no cutting, chopping, channeling, shortening   
·   hood hinges may be removed
·   all chrome, plastic and glass must be removed   
·   steering column must remain stock but may use quick release steering wheel   
·   may use hood pins to hold hood down   
· all firewall holes must be covered   
· must have stock firewall in original location   
· may replace dash with sheet metal

WHEEL BASE / FRAME   
· stock only   


ENGINE - BOTTOM END   
· engine must be strickly stock for that make and model and in original mounts   
· repaired engine parts must be approved   
· 1 piece rear seal block ok   
· no high performance engines or special order parts   
· .060 over bore max.   
· stock blocks only   
· must be stock replacement low compression piston   
· no flat top 4 eyebrow piston - must be dished   
· speedpro H423 NCP replacement piston ok   
· pistons must be at least .009" in block   
· no bottoming of lifters   
· stock crankshaft   
· no knife edging or lightening, etc   
· cast crank must weigh 48 lbs   
· no stroking or destroking   
· no balancing   
· journals may be turned no more than .060"   
· rod width may not be less than .940   
· stock timing chain gear set only no offset key ways   
· balancer 6 3/4 by 1" no machining   

HEADS   
· heads for make and model   
· heads cant vary more than 4 cc's from stock   
· no angle milling   
· stock size of valve for make and model   
· valve springs can be z28 springs   
· shims can be used under valve springs with a limit of .60 per string   
· may use off set locks but not with shims   
· rocker arms must be stock, no long slotted rockers   
· no porting or polishing   
· steel valves only   
· stock stem diameter   
· cannot run 993 or 441 heads
· no cutting under 45 - no competition valve job - no 3 angle valve job   

INTAKES   
· stock cast iron   
· no holley pattern factory intakes   
· aluminum intakes on factory original cars must remain unpainted   
· Can block off exhaust gas crossover   

CARBURETOR   
· must be a stock 2 or 4 barrel only   
· no modifications except choke flap removal   
· no removal of choke horn   
· No spacer of any kind 1/4 inch gasket only   



CAM   

· stock timing chain only   
· or Cloyes C-3023X adjustable timing chain ok   
· .390 - .410 lift   
· 112 lobe seperation +/- 1 degree   
· advancing or retarding the cam in car with adjustable timing ok   
· Cloyes C-3023X only - no cam buttons   
· stock cam or stock replacement cam only   
· duration for intake + 2 degrees / -10 degrees   
· .006 - 256 degrees   
· .050 - 195 degrees   
· .200 - 95 degrees   
· duration for exhaust + 2 degrees / - 10 degrees   
· .006 - 261 degrees   
· .050 - 202 degrees   
· .200 - 106 degrees   
· must have 18" vacuum at 1000 rpm   
· hydraulic cam and lifters only   
· Cams CS-274 Sealed Power and CCS-2 Melling are a stock
produced cam and will be looked at with a little more
variance. All custom ground cams will be required to meet
the above specifications.   

TRANSMISSIONS   
· automatic transmission torque converter stock type and 12" mininum   
· may have a cooler mounted in the drivers compartment   
· automatic transmission only - no power glide   
· man run an aftermarket shifter   

DRIVE SHAFT   
· has to be stock for model of car   
· no carbon fiber   
· a "U" or square type safety loop on front of drive shaft assembly is required   

IGNITION   
· stock type ignition   
· stock type distributor only   
· no high performance distributors or high performance parts   
· no altering firing order   

REAR ENDS   
· must be stock for make and model
· no gear lower than 3.73   
· may weld spider gears   
· positraction rear ok   
· shocks have to be in stock location
· no lightening of any parts   
· all components must be made of steel   

SUSPENSION   
· stock only for make and model, stock shocks only. No performance shocks. Must have part number, will be
checked
for make model. Stock springs for make and model   
· 10" maximum arch height on rear springs   
· 1/2" tolerance on front springs on stock height   

PROTEST AND CLAIM RULE   
· protest bottom - $600   
· protest any 3 items - $300   
· acceptance fee - $100   
· track keeps $100   
· claimer rule on transmission - $400 - may buy torque converter for additional $100   
· Can use transmssion for one of the three protested items but it is a visual inspection only to check for type,
will
not be removed from can   
· Can protest head for one of the three protested items, but can buy both heads for $500 and intake for $100   
· Tech man has final say