SCORE Class 4

SCORE{{Cite web|title = SCORE OFF-ROAD RACING – SCORE-International.com|url = http://www.score-international.com|website = www.score-international.com|access-date = 2015-12-28}} 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.{{Cite book|title = SCORE International Off-Road Rules and Regulations 2011-2015}}

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.{{Cite web|title = Electronic Control Modules|url = http://www.delphi.com/manufacturers/auto/powertrain/gas/ecm|website = www.delphi.com|access-date = 2015-12-28}} 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{{Cite web|title = Electronic Throttle Control (Drive By Wire or Fly By Wire)|url = https://www.picoauto.com/library/training/electronic-throttle-control-drive-by-wire-or-fly-by-wire|website = www.picoauto.com|access-date = 2015-12-28}} 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

SCORE International (2006). "2011-2015 Off-Road Racing Rules and Regulations".
SCORE International. "[https://web.archive.org/web/20100628215514/http://www.score-international.com/technotes.aspx 2009 New Classes & Existing Class Rule Amendments]"

External links

[http://www.score-international.com/ Official SCORE International website]
[http://score-international.com/scorejournal-digital/ Official SCORE International Journal]
[http://www.carbontv.com/shows/score-international-off-road-racing/ Official SCORE International Carbon TV channel]