Subject	Viscosity isn't the same at elevated temps, but at 100C.
Posted by	MixManMash on March 31, 2011 at 11:51 AM
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In Reply To	The comparison of 0w-30 with 5w-30 or 10w-30 is >> posted by ZUL8TR on March 31, 2011 at 08:26 AM
Message	What happens when you go beyond 100C? 0W30 will stay closer to spec than 5W30 than 10W30. 5W30 and 10W30 will actually become less viscous and thin out beyond 100C. Imagine what's happening in hot turbos...
Follow Ups	10w30?? I noticed when I ran 10w30 vs 20w50 my - boostlv 23:04:33 03/30/11 Turbos spooled faster? Hmm. - Drk93TT 23:13:10 03/30/11 Mobil1 0W40 Synthetic. - MixManMash 23:52:33 03/30/11 that was quite the presentation at the oil lab we had :) (n/m) - vorpalZ 00:23:35 03/31/11 Ok I 'll stick to 10w30 (n/m) - boostlv 00:55:02 03/31/11 With that reasoning, why didn't they come with that oil - monty31 01:44:54 03/31/11 I don't think 0W oils were readily available then. (n/m) - kkrofft (OH) 06:14:17 03/31/11 Correct (n/m) - ZUL8TR 07:28:00 03/31/11 and I always like to mention that M1 0W40 is the recommended - not4resaleZ 09:53:32 03/31/11 The comparison of 0w-30 with 5w-30 or 10w-30 is >> - ZUL8TR 08:26:06 03/31/11 and at that temperature with new oil, sure. - vorpalZ 09:30:47 03/31/11 Viscosity isn't the same at elevated temps, but at 100C. - MixManMash 11:51:52 03/31/11 Good stuff... been running it for the last year even in the - Piranha 09:26:55 03/31/11 Interesting... (n/m) - whitepearlz 09:35:58 03/31/11 Re: Mobil1 0W40 Synthetic. - timeless 14:47:38 03/31/11 This was really a problem with non-synthetics; I don't think - not4resaleZ 08:22:30 04/01/11 So, the consensus is? (n/m) - Jeffblue 10:13:47 03/31/11 for your money, Jeff, mobil 1 0w40, hands-down - vulcanrush 10:23:56 03/31/11 sounds good to me. - Jeffblue 11:04:47 03/31/11 Based on my UOA results, 0W40 Mobil 1 European Formula - vorpalZ 11:57:25 03/31/11 A lot of the newer cars are running 5w30. - boostlv 12:04:23 03/31/11 Personally, I'd use up your 10W30 and then switch to 0W40 - vorpalZ 12:12:12 03/31/11 mobil 1 5w40 tdt - vulcanrush 13:43:30 03/31/11 I hear a lot about "euro formulas". Does that mean techno - BigTDogg (MA) 12:09:39 03/31/11 Dunno about Castrol, but I get my Mobil 1 0W40 from a local - vorpalZ 12:21:41 03/31/11 pepboys and autozone, Tony - vulcanrush 13:00:48 03/31/11 I just did a quick search and think I'll be running - BigTDogg (MA) 13:22:52 03/31/11 Cool, get an analysis done after and see how it stacks up (n/m) - vorpalZ 13:41:47 03/31/11 I wouldn't. First, there is no API certification on that - MixManMash 14:52:32 03/31/11 i also wouldn't use it - vulcanrush 15:08:27 03/31/11 I haven't bought it yet, but I'm running RP 10W-30 now - BigTDogg (MA) 15:27:23 03/31/11 I use royal purple 20w-50 recommended for my high mileage - Wright (Ca) 14:59:06 03/31/11 Likely why my P.O. used 15W50 religiously. (n/m) - CoHPhasor 16:17:16 03/31/11 redline (n/m) - ZiNnYc 21:33:14 03/31/11
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