Flat Rock Speedway

**DUE TO THE FIRE AT THE ARCA OFFICE, THERE WILL BE NO MAILING OF THESE RULE CHANGES. THEY WILL BE POSTED ON THE WEB SITE PAGES.

ARCA ENDURO/FACTORY STOCKS

Add to 1: No full-size trucks or vans.

ENGINE, CARBURETOR, TRANSMISSION, REAR END

New, adding: V-6 and V-8 engines to run automatic transmissions only.

(The following is from June 21, 2016 rule amendment): All transmissions shall be stock. Must have all gears, including reverse, and functioning properly. Stock torque converters must be installed on all automatic transmissions. Torque converters must be full-size; no mini or Vega-type torque converters

ARCA FIGURE 8 DIVISION

No changes.

ARCA STREET STOCK DIVISION

Suspension: (re-wording): OEM stock frame from center of rear axle to front spring, to inspector’s discretion.

(re-wording): NO bump stops, rubbers, compression/rebound limiting or coil-bind set-ups. NO chains, bolts, straps, etc. One shock/spring per wheel; NO 5^th coil or lift bar suspensions will be permitted. NO birdcage setups of any kind (3 or 4 link).

ARCA LATE MODEL SPORTSMAN DIVISION

Transmission: No reverse-mount starters/bellhousings.

Suspension: (rewording): NO bump stops, rubbers, compression/rebound limiting or coil-bind set-ups. NO chains, bolts, straps, etc. One shock/spring per wheel; NO 5^th coil or lift bar suspensions will be permitted. NO birdcage setups of any kind (3 or 4 link).

Fuel cells: (Add): All fuel cells to have steel plates, or aluminum plates of similar strength, mounted in front of and rear of cell, minimum 1/8 inch thickness. NO “U-shaped” fuel cells or non-standard shaped fuel cells.

ARCA LATE MODEL DIVISION

Fuel cell: Fuel may be added only by opening trunk lid. (Add): NO “U-shaped” fuel cells or non-standard shaped fuel cells.

 **2017 rulebook takes precedence over this sheet.