SCORE Class 4
Topic: Engineering
From HandWiki - Reading time: 2 min
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
- ↑ "SCORE OFF-ROAD RACING – SCORE-International.com". http://www.score-international.com.
- ↑ SCORE International Off-Road Rules and Regulations 2011-2015.
- ↑ "Electronic Control Modules". http://www.delphi.com/manufacturers/auto/powertrain/gas/ecm.
- ↑ "Electronic Throttle Control (Drive By Wire or Fly By Wire)". https://www.picoauto.com/library/training/electronic-throttle-control-drive-by-wire-or-fly-by-wire.
- SCORE International (2006). "2011-2015 Off-Road Racing Rules and Regulations".
- SCORE International. "2009 New Classes & Existing Class Rule Amendments"
External links
- Official SCORE International website
- Official SCORE International Journal
- Official SCORE International Carbon TV channel
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