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General Racing Discussion -> General Racing Discussion -> RULES CORRECTION: For January 20-21, Salem Indoor BK4, Micro $500 to Win
Post Info TOPIC: RULES CORRECTION: For January 20-21, Salem Indoor BK4, Micro $500 to Win
Freeborn


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RULES CORRECTION: For January 20-21, Salem Indoor BK4, Micro $500 to Win
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I posted the wrong rules previously. The following rules are the rules that will be followed for 600 Micros on Jan 20-21 during the BK4 Event at Salem Indoor. My apoligies for the confusion.

Pay close attention to: Wingless, Weight, Multi Engines and TIRE Rules.

600 WINGLESS OPEN CLASS 775 LB MIN WEIGHT RULES
Age Limits
All drivers must be 14 years of age, can be 13 with JR sprint or 600R experience. All rookies at back of pack until approved by track officials to take their position.
Roll cage/Chassis
Roll cages shall be at least 1 1/8 inch .065 wall thickness, or 1 1/4 inch .065 wall
thickness. Roll cage shall be made of chromoly steel. All cars built after 2003 must be at least 1 1/8 inch .083 or 1 1/4 inch .065. The front section of the cage shall be no further back than the steering wheel. Roll cage shall have sufficient fore and aft bracing and strength to support the weight of the car & driver in case of an upset. Cage shall have gussets at the intersecting bars to the uprights. Bends must have at least 3-inch radius. No square or pointed corners allowed. Roll cage must be a minimum of 3 in. above the drivers helmet. It is mandatory to install a cross brace behind the seat to support the shoulder harness. Sissy bar mandatory on right side.
Engine Terms and Conditions
1. Internal Stock parts
NO RESTRICTIONS
2. Overall Engine
Must be a Production Motorcycle Engine, 4 cylinder, 4 stroke
Current year engines allowed. NO MULTI ENGINES.
Titanium NO RESTRICTIONS

Must have engine, clutch, and transmission all in one unit
Must be Chain Driven
3. Bore and stroke Stock, 600cc Maximum
4. Head and Cams NO RESTRICTION
5. Pistons NO RESTRICTIONS
6. Bottom End NO RESTRICTIONS
7. Clutch/Transmission NO RESTRICTIONS
Transmission gears NO RESTRICTIONS
Close-ratio gears/non-standard gear ratios NO RESTRICTIONS
May remove gears
8. Stock appearing ignition must be used.
9. No Rev Limit for any engine
10. No Aftermarket coils
11. Engines using fuel injection may use after-market add ons (example: Power Commander, Dim Sport) to adjust fuel curve and/or timeing, (essentially the same as adjusting the jetting and using ignition advancer).
12. Ignition Advancer may be used.
13. Induction System No Mechanically forced induction (turbo, supercharging)
14. Any carburetors or fuel injection may be used on any engine, regardless of stock year of engine.
15. Fuel injection and carburetors may be converted for use with alcohol.
16. Exhaust: Any exhaust may be used; muffler must be 18 in length and meet track noise levels.
17.Charging system: No Restrictions
18. Self Starting
19.Fuel: Alcohol, no exotic fuel additives, non flammable top lube only, no fuel enhancer top lube.

Minimum Weight
Minimum weight at all times (car & driver) is 775 lbs.
If weight is added it must be firmly bolted in place.

Wings & Panels
Wingless
Tires
All Tires must be Hoosier Tires. Right Rear must be a D or RD15 or harder compound.



Read more: http://salemindoorspeedway.proboards.com/index.cgi?action=display&board=bk4&thread=126&page=1#ixzz1jkoDfxeQ


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tony thomas


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Why a change on the tire rule. We have run salem for four years on american tires and that is all we have. We live 30 miles from the track planned on practice friday and race saturday. We have two cars that would have been there. With entry fees and pit passes and  with how many people that come with us that is $300.00 min spent just at the track.

Tony Thomas 



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Freeborn


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tony thomas wrote:

Why a change on the tire rule. We have run salem for four years on american tires and that is all we have. We live 30 miles from the track planned on practice friday and race saturday. We have two cars that would have been there. With entry fees and pit passes and  with how many people that come with us that is $300.00 min spent just at the track.

Tony Thomas 

 Tony and all Micro 600 Racers: The BK4 Rules have been changed to accept the American Racer Tires.



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Freeborn


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Can't seem to modify the Demming site post so follow the link to Salem Proboards to see Tire rule change and download a copy of the Rules for BK4 Micros.

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Freeborn


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Follow this link to get the corrected set of BK4 Micro Rules.

http://salemindoorspeedway.proboards.com/index.cgi?board=bk4&action=display&thread=131

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