Omega Owners Forum
		Omega Help Area => Omega General Help => Topic started by: kingplym on 30 May 2009, 14:30:47
		
			
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				as above i know 10w40 is recommended but will 5w30 be ok? i read the section on oils and as i understand 5w30 can increase performance. but the whats in the back of my head is will the oil be to thin? :-/
			
 
			
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				I would say that is too thin.
			
 
			
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				5w30 or upwards is allowed according to the manual so I'd say it's OK. If the engine is a particularly high mileage example it might burn a little more oil on 5w30. 
Kevin
			 
			
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				Just to say.. it won't noticeably alter performance. A little smoother after a cold start during the winter is all I've noticed.
Kevin
			 
			
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				Personally, I'd stick with Vx's own-brand 10/40 semi-synthetic.
I've just had four 5-litre cans from the stealers for 37 quid. 
I can't see a performance gain by using a lower viscosity oil. As Kevin rightly says, cold-starts may be better, but I reckon that's just about the only difference you might experience.
			 
			
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5w30 or upwards is allowed according to the manual so I'd say it's OK. If the engine is a particularly high mileage example it might burn a little more oil on 5w30. 
Kevin
Sorry, keep thinking everyone drives tractors.  ;D 
(Don't tell me 5w30 is ok in a tractor too  :o)
			 
			
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				Really thin.I've already used 5W30 in my 3.0V6 at around 260.000km. I could hear the tappets after start, so the sound of the cold motor wasn't so good. I've changed to 10W40 at the next period, and now OK.
			
 
			
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				as stated 5w30 is thin oil and mostly used on Honda cars.. I've tried both 0-40 and 10-40 on miggy ..
0-40 only a bit better in very cold winter..