The racecar doesn’t have a speedometer, or at least not an accurate one. So when people inevitably ask “How fast?” I have to reply “about 5500 RPM” or some such…
RPM to Speed Calculator
								
		 
		
				December 23, 2018			
	
	
		December 23, 2018	
			
			 DIYDS
				
			 calculator, differential, do it your damn self, gear, rally, ratio, rpm, saab, special, speed, sport, SS&R		 
				
			
			
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