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					Originally Posted by  whitecliffs
					 
				 
				As anyone deleted there AOS, ie blanked off the throttle body and run a pipe from the top of the AOS to a catchment tank/can. 
 
l replaced my startermotor a few weeks ago and found a fair bit of oil in the pipe 
between the throttle body and AOS, but i wasn't getting any smoke bombs while 
running just the odd puff of blue smoke if reved hard at standstill and when the wife 
followed me it did smoke a little but nothing major 
 
Anyway clean out the pipework fitted a new AOS done 300 miles just checked 
the pipe and there oil in there again. 
 
Have seen posts on here where a guy had 3 duff one's straight from the box think 
it was one of jake's post. 
 
So has anyone deleted theres, if so has there been any performance loss 
with the crankcase not being under vacuum 
			
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The low tension piston rings rely on the crankcase vacuum to help seal the rings, eliminating that vacuum increases blow-by.  If the AOS is disconnected from the vacuum source no oil will come out the top of the AOS.
		  
		
		
		
		
		
		
			
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				OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods.  Deep sump oil pan with DT40 oil.
			 
		
		
		
		
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