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******IF THIS PAGE IS NOT VEIWING CORRECTLY PLEASE REFRESH YOUR BROWSER****** WE ARE CLOSED THIS WEEK FOR THE WORLD OF OUTLAWS EVENT AT SKAGIT SEE YOU SEPTEMBER 10TH FOR ARMED FORCES & 1ST RESPONDERS NIGHT! All Armed Forces and 1st responders get in for Free with ID.
The Northwest Mini Sprint Association is inviting everyone to our year end picnic! It will be Saturday, September 11th at Deming Speedway. Bring your favorite side dish or dessert and a beverage of your choice and join us in the fun!
2010 Point Structure
When moving up from another Main you do not carry over your points 1 point given for position gain in A Mains and Heats. Must Qualify to receive your Position Gain Points 30 points will be given as show up points if someone is not able to start the main. You do not carry over time trial, heat or position gain points. You will be given 30 points total for the evening
Rule Changes for 2010 600600 Head "Open Head", No Restrictions Stock Piston Stock Bore and Stroke Bottom End: No machining to remove weight or balance the crank (no after-market or lightweight cranks) Stock connecting rods must be used (no after-market rods) After-market rod bolts may be used Clutch/Transmission: May use aftermarket clutch discs. Hub must remain stock. Clutch must remain operable. Transmission gears must be stock, no close-ratio gears or nonstandard gear ratios. All gear must remain in transmission, no removing any gears. Stock appearing ignitions must be used No Rev Limits for any engine. 600's will have a minimum weight of 775 600R Stage 1 Head (formerly Deming "600 Stock") NO PORTING, Blending the Bowls, or Blending the valve seats (exhaust or intake) valve jobs are acceptable Cams do not need to be stock, but the lift must be no greater than stock (duration is open) reference US6A Engine Specifications chart for cam specs Cam timing may be adjustable May use any valves, but they may be no larger than stock valves. NO titanium valves unless they are OEM stock parts used on the correct make and model engine Head may be resurfaced Any head gasket may be used Clutches must be stock Stock Ignition must be used and Stock Rev limits Restrictor plates: 3/4" restrictor plates must be positioned flat in between the head and throttle body; such that ALL air entering the engine MUST flow throught the 3/4" hole in the restrictor plate. Plates must be postioned anywhere in the "Stack" (head, minifold, throttle body), so long as air flow meets the above criteria Note: In 2011, "Stage 1" heads will no longer be permitted in 600R Class. Pure stock engines only
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