Unless your suspension changes are a lot less involved than I think they are, you're in Modified, which doesn't have a street tire modifier. If your suspension is SM legal, then you'd be able to run with SM2 in Blue group, which is afternoon both days. 
 
I think you're still allowed to use a bicycle during course walks, but don't hol me to that. I'm pretty sure that anything on wheels is discouraged in the pit and paddock areas though.
		 
		
		
		
		
		
		
			
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				FWD is the new AWD
			 
		
		
		
		
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