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Originally Posted by ZER026D
Well it looks like its time to call my friend who makes cars that race on TV. So in street unlimited can I do a new engine.
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Here's the Reno supplemental reg on SU:
Street Unlimited Class (formerly OSP)
The car must be in a street legal configuration and registerable. The car must pass the normal safety inspection for stock or street prepared cars. The engine may have any modifications that do not make it illegal for the street. Emission control equipment may be deactivated or removed. The engine may be of a different manufacture than the chassis. Suspension, chassis bracing and weight reduction are unrestricted as long as street ability is maintained. The car may be trailered to an event but must, in good faith, be capable of being driven on the street. The prevailing street prepared rules for tires will be used for the SU class, or an SU car may run in the indexed street tire class using the prevailing street tire tread wear specifications. A PAX/RTP factor will be assigned to the class using the logic that the car has the capability of being faster than ASP but due to equipment requirements to maintain street legality, it may not be as fast as cars prepared to the fullest extent in the prepared or modified classes. Just as the national PAX/RTP for all car classes are adjusted each year based upon actual results, so may the SU’s PAX/RTP be adjusted.