News
Winter Divisional 09/10
we will have a 50% pay back this year ( no trophies )
paid -1/2 the field (ie.10 karts 5 get paid ) $35 entry fee
all classes
Winter Divisional 09/10
we will have a 50% pay back this year ( no trophies )
paid -1/2 the field (ie.10 karts 5 get paid ) $35 entry fee
all classes
clone tech
OCR CLONE ENGINE TECHEngines are 6.5 HP OHV single cylinder engines. All parts must be factory stock as supplied from factory unless stated otherwise in this tech manual. All parts may be subject to comparison to known stock parts.
(1) 27.5cc chamber volume minimum, checked at TDC.
(2) Carburetor- Huayi or RUI_ING carb. only.
You must use a gasket between carb. and intake. No other sealer allowed.
Choke must be intact as from factory but may be fixed in open position.
Choke Bore: .810 no-go
Venturi – .615 no-go
Rear carb. Bore: .751 no-go
Main jet: .042 Max. no-go
Emulsion tube must remain stock.
Aftermarket air filter and adapter allowed. Adapter 1.375 max. length.
(3) Valve Train:
Stock valve cover only. Valve cover may be drilled and fitted with a fitting to pulse the fuel pump. No other modification.
Stock valves with 45% angles only. Must not be altered in any way such as polishing, lightning etc.
Stock rocker arms and pushrods with no modifications.
Max. Wire diameter of valve springs is .070.
Max. Spring tension at .850 = 10.8 lbs. Maximum.
(4) Ignition system must be stock as from factory.
Kill switch and oil sensor may be disabled and removed.
Flywheel cannot be altered in any way. Stock flywheel with plastic fins only as from factory.
Stock unaltered flywheel key only.
(5) Piston, rings, connecting rod and crankshaft must be stock as from factory.
No grinding, polishing, lightning or addition of any materials allowed.
Stock rod bolts must be used.
Crankshaft journal diameter is 1.180”max.-1.175” min..
(6) Stock camshaft as from factory only. No modifications of any kind allowed.
Maximum valve lift .242 taken off of spring retainer with 0 lash. (Exhaust).
Maximum valve lift .238 taken off of spring retainer with 0 lash. ( Intake).
(7) Block must be stock except you may remove the governor and plug the holes.
No machining allowed on block.
(8) It is recommended that a remote fuel tank be used. You may remove the fuel tank and mount a plate where tank was mounted to mount a remote fuel pump. Fuel pump must be pulsed from the valve cover or crankcase only.
(9) Header and Muffler:
You may replace the stock muffler with any one piece, single stage header with BS style muffler # 89966 or aftermarket muffler of same size and design.
Header with muffler installed must measure between 10” min. and 14” max. measured on outside. Header can be no bigger than .750 O.D. and must be steel.
Muffler may be welded to header or screwed into header.
FASTTRACK ADVANCED SCHOOL
“ADVANCED SHORT TRACK DRIVER DEVELOPMENT SCHOOL”
Andy Hillenburg’s Fast Track High Performance Driving School, the leader for 20 years in driver
development, is proud to announce the “Advanced Short Track Driver Development School”
for drivers 14 years and older. This school is designed to develop the Saturday night short track
driver to advance their driving careers. The students will be able to drive an ARCA Stock Car or
a race Truck on the ½ mile track at Rockingham Speedway, known as “Little Rock”.
The school will start with a class room, driving and safety orientation, followed by a group
drive around the track. The skills that the students will have refined by Andy Hillenburg and his
staff will be, Starts, Driving lines, Pit Stops, Entering and Leaving Pit Road, and Lap Times. Each
student will run 100 laps (50 miles) around “Little Rock” and will receive a “Graded Evaluation”
at the end of the day.
Fast Track High Performance Driving School is remaining as the Leader in Driver Development,
with this new Program. Watch for more Driver Development programs coming soon.
Call 704 455 1700 for details and dates.
www.fasttrackracing.com www.rockinghamspeedway.com
QUALIFYING
attn; stock heavy and medium , with a starting field of 11 or more karts you will qualify on time (no hear race) starting August 30TH 2008
(This will apply to any class with 11 or more Karts )
MICROTEL INN & SUITES
MICROTEL of HILLSBOROUGH 1-919-245-3102
SINGLE ROOM 49.99
DBLE ROOM 59.99
JUST LET THEM KNOW YOUR GOING TO OCR
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No Camping at OCR
Orange County, NC does not allow camping of any kind (County wide ordinance)TIRE CLAIM
OCR
TIRE CLAIM RULE
A competitor may claim the tires of another kart only after the main event is complete. The claimer must finish no more than two positions behind the kart with the tire’s being claimed.
Claim must be done at scales before karts are released from tech.
Competitor may participate in all classes that he/she is registered for that day after the claim has been filed before relinquishing his tires.
(TIRES WILL BE MARKED)
If a competitor refuses a claim
This competitor will be suspended
Claim fee is $175.00 per set
No wheels
Claimer assumes all liability’s for further uses of tires
new sniffer format
we will now have our shiffer calibreted at 17ppm
WKA divisional entry fees
The entry fee will be $35 with 50% payback through 1/2 the field
ALL Jr. classes, !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
will run heavy weight , first class ran will be scored as lite class and the 2nd class to run will be scored as heavy
Rain procedures for pit passes
If Practice has not started and there is a RAIN OUT. All entree fee’s will be returned. The Pit Passes will be good at next race. ——— No refunds on Pit Pass after practice has started. ( IF ANY KARTS GO ONTO TRACK, PIT PASSES ARE USED) If any class finishes their Heat Race, that class will use the finishing order for the Pay off.News Archive
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