SCORE[1] Class 4 is a limited four-wheel, single or two-seat vehicle class that competes in the SCORE off-road race series including the Baja 1000, Baja 500, San Felipe 250, Baja Sur 500 and the SCORE Desert Challenge. Class 4 was added in 2009.

This is an open class and all components will be considered open unless restricted by SCORE International.[2]

Vehicle description

Limited 4-wheel, single or two-seat vehicles. Limited 2.4-liter Ecotec sealed engine. Must use Delphi MEFI 4 or MEFI 5 ECU.[3] Frame, suspension and appearance are similar to that of a Class 10 vehicle.

Class requirements

Engine

Stock GM Ecotec 2.2-liter four-cylinder engine. Single seat vehicles are limited to 2.2 liter engines but two-seat vehicles are limited to 2.4 liter. 2.4 liter engines must use the cable controlled 2.2 liter throttle body. No fly by wire throttle bodies[4] are permitted.

Engine must remain stock as delivered by the manufacture. Engine must be sealed by SCORE prior to being installed into vehicle. Must use stock Delphi MEFI ECU 4 or 5.

Suspension

Unlimited.

Body

No production bodied vehicles are allowed in this class.

References

  1. ↑ "SCORE OFF-ROAD RACING – SCORE-International.com". www.score-international.com. Retrieved 2015-12-28.
  2. ↑ SCORE International Off-Road Rules and Regulations 2011-2015.
  3. ↑ "Electronic Control Modules". www.delphi.com. Retrieved 2015-12-28.
  4. ↑ "Electronic Throttle Control (Drive By Wire or Fly By Wire)". www.picoauto.com. Retrieved 2015-12-28.


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