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#452144 - 02/01/10 10:10 PM ODKRA Rules.
Handboys_racing Online   content
New Member

Registered: 02/01/10
Posts: 8
O D K R A
Oklahoma Dirt Kart Racing Association
BLUE MOTOR CLASS
GENERALRULES.
KART MUST BE IN GOOD WORKING ORDER. MUST HAVE HYDRAULIC BRAKES, NO FRONT BRAKES ACCEPTED. MUST HAVE AN EASY TO GRAB SPARK PLUG WIRE (WITH A LARGE ZIP-TIE POINTED UP). NO BATTLE BARS WILL BE ACCEPTED AND BARS MUST BE COVERED. GO KART AND THE DRIVER MUST WEIGH A MINIMUM OF 350LBS. MUST BE PULL CORD STARTED, AND RAN ON PUMP GASOLINE(NO RACING GASOLINE).
MOTOR RULES
MOTOR MUST BE A CLONE OF A HONDA GX200 SERIES SUCH AS (CHICAGO MACHINE, GRAY HOUND, LIFAN, ZIN DANG). (THAT CAN BE BOUGHT AT HABOR FREIGHT OR ON LINE)
MOTOR MUST BE STOCK WITH NO AFTER MARKET OR HONDA PARTS AS THIS IS A CLONE CLASS. PRE OR POST LAWSUIT MOTORS ARE ACCEPTABLE. NO MACHINING, GRINDING, OR WELDING OF ANY KIND WILL BE TOLERATED. ALL GOVERNOR PARTS CAN BE REMOVED EXCEPT FOR THE GEAR ON THE CRANKSHAFT. HEADERS CAN BE USED, MANUFACTURED OR HAND MADE. STOCK AIR BOX MUST BE USED, BUT AIR FILTER ELEMENT MAY BE CHANGED. NO BORED OUT CARBERATOR, OR STACKED GASKETS INSIDE CARB. STOCK IGNITION AND STOCK TIMING(NO OFFSET KEYWAY). SPARK PLUG MAY BE CHANGED. NO E TUBE CHANGING(JET CHANGING ACCEPTABLE).
TIRES
MUST BE SLICKS NO CUTTING OF SIPING.
MOTOR CLAIM
ONLY THE TOP THREE FINISHING ORDER MOTORS CAN BE CLAIMED. LAST IN THE FINISHING ORDER HAS THE FIRST OPTION TO CLAIM ANY OR ALL THE TOP THREE FINSIHING MOTORS AT $200 PER MOTOR.
TECH
TOP THREE FINISHING POSITIONS GO DIRECTLY TO THE TECH AREA AFTER THE FEATURE. IF YOU REFUSE TECH YOU FORFIET THE POINTS AND THE PURSE.
RACERS
RACER MUST WEAR DRIVER SUIT OR AN EXCEPTION OF DENIM PANTS AND A HEAVY JACKET. NECK BRACE HELMET AND GLOVES ARE REQUIRED.

If you have any questions just email me at: tophand@cox.net

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#452231 - 02/02/10 03:12 PM Re: ODKRA Rules. [Re: Handboys_racing]
3draceway Offline
Gang Member

Registered: 03/03/06
Posts: 102
Loc: Haskell, Oklahoma
What about a cam rule???? If you go by these rules, you leave your self wide open.

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#452250 - 02/02/10 05:49 PM Re: ODKRA Rules. [Re: 3draceway]
Handboys_racing Online   content
New Member

Registered: 02/01/10
Posts: 8
If someone wants to cheat and use a wider duration cam they will be caught at post race tech because I can check that also.

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#452265 - 02/02/10 07:02 PM Re: ODKRA Rules. [Re: Handboys_racing]
3draceway Offline
Gang Member

Registered: 03/03/06
Posts: 102
Loc: Haskell, Oklahoma
BY YOUR RULES YOU HAVE NO WAY OF TELLING WHAT THE DURATION IS U LESS U PUT A DEGREE WHEEL ON IT. THEY MAKE ABOUT 12 CAMS THAT WILL PASS TECH YOUR RULES DONT SAY WHAT LIFT IS OR DURATION IT NEEDS TO BE IN WRITING IT WILL SAVE U IN THE LONG RUN

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#452291 - 02/02/10 09:20 PM Re: ODKRA Rules. [Re: 3draceway]
Handboys_racing Online   content
New Member

Registered: 02/01/10
Posts: 8
Ok. What cam timing demensions do you go by in your rules? If you want to email me your tech specks my email address is tophand@cox.net
Thanks, Todd

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#452335 - 02/03/10 07:48 AM Re: ODKRA Rules. [Re: Handboys_racing]
3draceway Offline
Gang Member

Registered: 03/03/06
Posts: 102
Loc: Haskell, Oklahoma
CAMSHAFT REQUIREMENTS: Stock as cast camshaft only. See profile listed below. THe following Box Stock Cam Profile is NOW recognized by the Box Stock Project.

Box Stock Cam Profile Specs

EXHAUST
.020 LIFT 50 DEG BBDC
.050 LIFT 27 DEG BBDC
.100 LIFT 11 DEG BBDC
.150 LIFT 8 DEG ABDC
.200 LIFT 33 DEG ABDC
MAX LIFT .232 OFF CAM
.200 LIFT 64 DEG BTDC
.150 LIFT 37 DEG BTDC
.100 LIOFT 19 DEG BTDC
.050 LIFT 1 DEG BTDC
.020 LIFT 17 DEG ATDC
CENTER LINE 109 +/-3DEG

INTAKE
.020 LIFT 14 DEG BTDC
.050 LIFT 5 BDEG ATDC
.100 LIFT 23 DEG ATDC
.150 LIFT 45 DEG ATDC
.200 LIFT 74 DEG ATDC
MAX LIFT .225 OFF CAM
.200 LIFT 34 DEG BBDC
.150 LIFT 7 DEG BBDC
.100 LIFT 14 DEG ABDC
.050 LIFT 33 DEG ABDC
.020 LIFT 52 DEG ABDC
CENTER LINE 109+/- 3 DEG

MAX LIFT .242 ON EXHAUST TAKEN ON VALVE SPRING RETAINER WITH ZERO LASH.

MAX LIFT .238 ON INTAKE TAKEN ON VALVE SPRING RETAINER WITH ZERO LASH.

USE +/- 3 DEG ON ALL LIFT CHECKS

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