Subject	This is a good question, one I asked a while back.
Posted by	CoHPhasor on April 21, 2010 at 7:43 PM
	This message has been viewed 287 times.
In Reply To	Any Hurt Using 5W30 Instead of 10W30 Oil? posted by darkmann on April 21, 2010 at 04:19 PM
Message	Although *technically the absolute lightest possible multi-viscosity should be best, I disagree. (By lowest multi, I mean the 1st # *0W-30/40W) Although the lower # means that when the engine is cold it's easiest to move/flow, I hear a difference. The last owner ran 15-50 Mobil exclusively. I switched it to 5-30 a week after I bought it. When I bought the car I didn't hear even the SLIGHTEST tick. Now that I'm @ 5-30 as soon as idle comes down from start (1-2 mins), I hear light lifter ticking. When it is time to change oil again I'll go to 10-40 and see if it disappears.
Follow Ups	Any Hurt Using 5W30 Instead of 10W30 Oil? - darkmann 16:19:36 04/21/10 I have been running Amsoil Signiture Series 0W-30W - RICH1 16:29:55 04/21/10 I run Mobil1 5w30 in all of my cars. - Josher 16:35:02 04/21/10 you're only going to hurt 10w30's heart =( (n/m) - fuzzymonkey 16:42:51 04/21/10 I've been running 0W40 in my Z32 now for the past 2 oil - MixManMash 16:54:58 04/21/10 Thats my next oil... how do you like it? (n/m) - Piranha(PHX) 19:36:19 04/21/10 Love it. Flows easily when cold to lubricate everything. - MixManMash 23:34:59 04/21/10 Thanks fellas. (n/m) - darkmann 17:06:33 04/21/10 Think flow Vs pressure , Flow is better. - njz 17:06:37 04/21/10 so why is it then that nissan recommends no lighter than - KasbeKZ(VA) 18:59:05 04/21/10 Oil technology has changed quite a bit since 1990 ;~) (n/m) - Barry (NJ) 20:41:00 04/21/10 yeah i figured that would be the reason - KasbeKZ(VA) 20:56:28 04/21/10 I may be crazy but when I switched to the 0w-30 amsoil - 5280Z_nightstalker 22:10:24 04/21/10 Re: Oil technology has changed quite a bit since 1990 ;~) - darkmann 21:52:58 04/21/10 dinosaur oil needs a lot of viscosity improvers to get - not4resaleZ 22:30:33 04/21/10 This is a good question, one I asked a while back. - CoHPhasor 19:43:45 04/21/10 The 50 is what quieted it, not the 15 - BobbyT 22:22:29 04/21/10 I imagine the high-end quieted it, but 2 mins after start? - CoHPhasor 23:10:12 04/21/10 Mobil 1 makes a 0w40. (n/m) - MixManMash 23:37:44 04/21/10 I'd like to run that but never find it - BobbyT 01:16:42 04/22/10 Your engine wouldn't be warm then - BobbyT 01:23:43 04/22/10 Redline 5W30. Www.bobistheoilguy.com (n/m) - ZiNnYc 05:27:18 04/22/10 20w-50 per Greg D's recommendation (n/m) - HighPsi (NorCal) 09:21:48 04/22/10 2nd. (n/m) - Spongerider :) 11:57:56 04/22/10 Agreed. (n/m) - Scotts94z32 13:20:00 04/22/10 A fine choice if you live in southern California - not4resaleZ 13:31:55 04/22/10 Royal Purple - HighPsi (NorCal) 17:59:58 04/22/10
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