16-01-2015, 01:16 PM 
	
	
	
		Increasing the IPP regulator tends to only cause one thing - chronic advance knocking at about 1200rpm until the turbo comes on song. 
Then at 5000rpm it's still down on pressure anyway.
	
	
	
Then at 5000rpm it's still down on pressure anyway.

 
 

 
 
