SCORE Class 4

'''SCORE'''<ref>{{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}}</ref> '''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.<ref>{{Cite book|title = SCORE International Off-Road Rules and Regulations 2011-2015}}</ref>

==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.<ref>{{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}}</ref> 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<ref>{{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}}</ref> 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== {{Reflist}} *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] {{Webarchive|url=https://web.archive.org/web/20151222115853/http://www.carbontv.com/shows/score-international-off-road-racing/ |date=2015-12-22 }}

Category:Off-road vehicles