17-10-2013, 03:59 PM 
	
	
	
		Oh dear, could that be vvc issues..? Fuel will make a difference, especially on an engine that highly tuned from the factory, not 20bhp though as dannys says lol.
	
	
	
	
| 
					MG ZR: Cams & Maps
				 | 
| 
					« Next Oldest | Next Newest »
				 |