1)  If I find a tune for a car but in the tune i has the wing for the back but the car I am tuning doesnt has the wing installed is the tune no good for the car? Or would it still be a usable tune even though it had no wing?
2) Is there a guide on how to tweak the gears..
	
		
			
		
		
	
				
			2) Is there a guide on how to tweak the gears..
			
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