# SCORE Class 4

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'''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](/source/SCORE_International) off-road race series including the [Baja 1000](/source/Baja_1000), [Baja 500](/source/Baja_500), [San Felipe 250](/source/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](/source/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](/source/GM_Ecotec_engine) 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](/source/SCORE_Class_10) vehicle.

==Class requirements==

===Engine===
Stock [GM Ecotec](/source/GM_Ecotec_engine) 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](/source/SCORE_International) 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 }}

{{Off-road racing}}

Category:Off-road vehicles

{{Autoracing-stub}}

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Adapted from the Wikipedia article [SCORE Class 4](https://en.wikipedia.org/wiki/SCORE_Class_4) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/SCORE_Class_4?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.