2007 NHRA SUMMIT RACING SERIES FINALS

NORTHWEST DIVISION BRACKET GUIDELINES

SUPER PRO ET (1/4 mile 7.00 – 11.99)

Computer: Prohibited unless stock OEM equipment or OEM replacement. See general regulations 9:1.

Data Recorders: Permitted. See general regulations 9:2 & 9:9.

Delay Boxes: Permitted. One box/device only attached to transbrake and/or throttle timer only. Delay box may only display delay amount. All direct wiring must be clearly identifiable to the tech inspector. See class and G/regs 8.

Transbrake: Permitted.

Line lock: Four-wheel line lock permitted.

Automated Shifter: Permitted.

Throttle Control: Permitted per NHRA rulebook.

Ignition: Stutter boxes prohibited. Three-steps, Two-steps, or single stage rev limiters permitted. Any rpm limiting device legal unto themselves but altered or installed so as to function as a down-track rpm controller, prohibited.

Switches & Buttons: All switches and/or buttons must be standard mechanical connection type.

Infrared lasers, retinal scan, fingerprint, light source or any other non-mechanical type switch and/or button prohibited.

PRO ET (1/4 mile 7.50 – 13.99)

Computer: Prohibited unless stock OEM equipment or OEM replacement. See general regulations 9:1.

Data Recorders: Prohibited. See general regulations 9:2 & 9:9.

Delay Boxes: Prohibited.

Transbrake: Permitted.

Line lock: Four-wheel line lock permitted.

Automated Shifter: Prohibited. Electronic or pneumatic shifter permitted; must be manually controlled by driver.

Throttle Control: Throttle must be manually operated by the driver’s foot. Electronics, pneumatics, hydraulics or any other device may in no way affect the throttle operation. A dead-stop under the carburetor or gas pedal is permitted. Throttle timers, counters prohibited.

Ignition: Stutter boxes prohibited. Starting line and or ‘high side’ rev limiters permitted. Two-steps, rev limiters or any other rpm limiting devices, legal unto themselves but altered or installed so as to function as a down-track rpm controller, prohibited.

Switches & Buttons: All switches and/or buttons must be standard mechanical connection type. Infrared lasers, retinal scan, fingerprint, and light source or any other non-mechanical type switch and/or button prohibited.

Tow vehicles: Prohibited.

Full-bodied vehicles may not cross the starting line on any burnout.

SPORTSMAN ET (1/4 mile 12.80 & Slower)

Computer: Prohibited unless stock OEM equipment or OEM replacement. See general regulations 9:1.

Data Recorders: Prohibited. See general regulations 9:2 & 9:9.

Delay Boxes: Prohibited.

Transbrake: Prohibited.

Line lock: Four-wheel line lock prohibited. Two-wheel line lock permitted on non-drive wheels only.

Automated Shifter: Prohibited unless OEM equipped. Electronic or pneumatic shifter permitted; must be manually controlled by driver.

Throttle Control: Throttle must be manually operated by the driver’s foot. Electronics, pneumatics, hydraulics or any other device may in no way affect the throttle operation. A dead-stop under the carburetor or gas pedal is permitted. Throttle timers, counters prohibited.

Ignition: Stutter boxes prohibited. Single stage ‘high side only’ rev limiters permitted. Rev limiters or any other rpm limiting devices, legal unto themselves but altered or installed so as to function as a down-track rpm controller prohibited. Crank trigger system prohibited, unless OEM distributorless ignition. Ignition systems equipped with built-in two step rev limiters must have the ‘low side’ (start line) function disabled.

Switches & Buttons: All switches and/or buttons must be standard mechanical connection type. Infrared lasers, retinal scan, fingerprint, and light source or any other non-mechanical type switch and/or button prohibited.

Tow vehicles: Prohibited.

Sportsman E.T. vehicles may not cross the starting line on any burnout.

BIKE/SLED ET (1/4 mile 7.00 & slower) SPORT COMPACT ET (1/4 mile 7.50 & slower)

Same electronic rules as Pro cars applies to motorcycles. Sport Compact Rule Book Rules Apply

HIGH SCHOOL ET (1/4 mile 11.00 and slower)

Same rules as Pro or Sportsman. Limited to no quicker than 11.00 E.T. (1/4 mile).

JR LIGHTNING (7.90 – 11.99) JR THUNDER (11.00 & slower)

 

NO PASSENGERS ALLOWED IN ANY VEHICLE

Refer to the 2007 NHRA Rulebook/s and NHRA Rule Revisions for all applicable safety requirements in each ET Bracket.