Travelers Rest Speedway

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Pure Stock 2018

Pure Stock 2018
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
7" racing wheels legal - must have stock offset which is 3" offset and all be the same -
no spacers
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
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
may run bars to radiator but may not protrude through radiator support
may run bars to back but no bumper bars protruding 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 otherwise 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

stock only

engine must be strictly 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 for make and model
heads can't 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

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

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

stock timing chain only
or Cloyes C-3023X adjustable timing chain ok
.390 - .410 lift
112 lobe separation +/- 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.

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

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

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

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

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

1. All lead must be secured with bolts and/or metal clamps. Duct tape or zip ties are not acceptable.
2. 25 lb. weight break for Hans, or containment seat or both. (25 lb max.)
3. Must have working fire extinguisher in car.

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 transmission 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
The man that sales his heads can buy back the man's heads for $400 and intake for
If tech man visually checks heads before a buy and they are wrong then the seller is
Tech man has final say

-Looking for small or unimportant errors or faults will not be tolerated or allowed. We are aware that this rule book may not cover every situation or issue. Officials have final say on ALL protested or claimed item issues.

Revision 032518
Posted by Wayne Clayton

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© 2003

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