Post by APR on Dec 17, 2012 8:15:31 GMT -5
Pure Stock
Red denotes 2022 rule change
Car Body/Dimensions
Wheel Base: 4 3/8” inches (7/8” inch minimum center of axle to back of car)
Height: 3" inches Maximum
Length: 7" inches Maximum
Width: 2 3/4" inches Maximum
Weigh: 143 grams Maximum
4 axles & wheels must be installed on the side of the car body directly across from one another
Additional materials maybe added, as long as they meet the rules
Other types of materials may be used to construct your body, and/or frame
Rear wheel weights, fenders, and wheel covers allowed
Note
Wheels/Car must clear the following Dimensions
Track Center Rail Height: 1/4" inch (7mm)
Track center Rail width: 1 5/8" inches (4.2cm)
Raised/lifted Wheel: BSA and Revell only, old or new style. lettering required on inside and outside of wheel, 7.5 mm minimum tread width, no weight or diameter restrictions
Wheels
Type: BSA new style and Revell only (post 2009 wheel)
May be CnCed, Lathed, Polished, and/or sanded to true tread surface
The tread surface must remain flat, and parallel to the bore
Wheel weigh 2.4 grams (weigh minimum 2.356 grams)
Minimum Tread Width 7.5mm
Lettering must remain on the inside and outside of the wheel
Decorative edge maybe removed
Step removal, and hub coning is allowed
No bushings, sleeves, bearings, or material to be used/added in the wheel bore
Wheels cannot be intentionally machined below specified weigh then add foreign material to bring back to weight
Axles
Minimum Diameter .084
Nail Type Only
Lubricants
Any
Top 3 cars and 2 random cars maybe checked after the race
Reasons for Disqualification
Magnets, starting or finish line devices, electronic or lighting, glass, fragile parts, wet paint, sticky material or substances, sharp objects, sandpaper, parts beyond the starting peg, propellants, wheels and axles attached to mechanical rotating devices.
Builder and car name must be on bottom of car
Red denotes 2022 rule change
Car Body/Dimensions
Wheel Base: 4 3/8” inches (7/8” inch minimum center of axle to back of car)
Height: 3" inches Maximum
Length: 7" inches Maximum
Width: 2 3/4" inches Maximum
Weigh: 143 grams Maximum
4 axles & wheels must be installed on the side of the car body directly across from one another
Additional materials maybe added, as long as they meet the rules
Other types of materials may be used to construct your body, and/or frame
Rear wheel weights, fenders, and wheel covers allowed
Note
Wheels/Car must clear the following Dimensions
Track Center Rail Height: 1/4" inch (7mm)
Track center Rail width: 1 5/8" inches (4.2cm)
Raised/lifted Wheel: BSA and Revell only, old or new style. lettering required on inside and outside of wheel, 7.5 mm minimum tread width, no weight or diameter restrictions
Wheels
Type: BSA new style and Revell only (post 2009 wheel)
May be CnCed, Lathed, Polished, and/or sanded to true tread surface
The tread surface must remain flat, and parallel to the bore
Wheel weigh 2.4 grams (weigh minimum 2.356 grams)
Minimum Tread Width 7.5mm
Lettering must remain on the inside and outside of the wheel
Decorative edge maybe removed
Step removal, and hub coning is allowed
No bushings, sleeves, bearings, or material to be used/added in the wheel bore
Wheels cannot be intentionally machined below specified weigh then add foreign material to bring back to weight
Axles
Minimum Diameter .084
Nail Type Only
Lubricants
Any
Top 3 cars and 2 random cars maybe checked after the race
Reasons for Disqualification
Magnets, starting or finish line devices, electronic or lighting, glass, fragile parts, wet paint, sticky material or substances, sharp objects, sandpaper, parts beyond the starting peg, propellants, wheels and axles attached to mechanical rotating devices.
Builder and car name must be on bottom of car