Not Ranked 
   
		
		
			
			
			 
			
		
		
		
		The Engine Masters TV series did a whole show testing different octane fuels on the dyno.  There was no noticeable difference in the torque/power numbers between them even when the timing was adjusted to optimum.  The only benefit of higher octane was knock/ping resistance.  So, according to them, if the engine is not knocking/pinging when you use it, higher octane fuel is pointless. 
		
	
		
		
		
		
		
		
			
				__________________ 
				Tommy 
Cheetah tribute completed 2021 (TommysCars.Weebly.com) 
Previously owned EM Cobra 
"Never attribute to malice that which is adequately explained by stupidity." - Hanlon's Razor
			 
		
		
		
		
		
		
	
		
		
	
	
	 |