Subject	Even 90 deg. F, 15W50 is going to pump up faster than 20W50. (n/m)
Posted by	MixManMash on September 09, 2018 at 6:29 PM
	This message has been viewed 273 times.
In Reply To	How cold? below 32 deg. F ? (n/m) posted by TTkeeper on September 09, 2018 at 05:45 PM
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Follow Ups	RP 20W-50 HPS motor oil...still a fave with members ? - TTkeeper 10:09:29 09/08/18 I would go with a 0W50. Less wear on startup. - MixManMash 10:12:13 09/08/18 what about summer heat protection..higher wt ? - TTkeeper 10:19:57 09/08/18 Thick 50 weight oil is exactly what you want for heat - Polish 13:31:36 09/08/18 RP makes a 5W30 in the HPS formula...ok for winter? - TTkeeper 13:13:27 09/11/18 That would be fine, but I do think they make a 5w40 - Polish 19:16:01 09/11/18 unfortunately, their 5w40 is not HPS series.... - TTkeeper 13:18:05 09/12/18 I'd still it 5w-40 or 5w-50 over 5w-30 - Polish 16:09:28 09/12/18 What temperatures were you starting your Z in - Polish 13:37:01 09/08/18 I was running 15W50. Temperatures mostly in the 70s to 80s. - MixManMash 09:18:49 09/09/18 What did the oil analysis show on the 15W-50? Any - Tanley (ATL) 13:25:28 09/09/18 Yes. Wear elements had gone down. A lot of wear happens - MixManMash 14:59:23 09/09/18 it keeps my lifters from chattering (n/m) - zantar 10:31:01 09/08/18 Rotella T6...cheap and good (n/m) - The Hawk 12:50:29 09/08/18 I 2nd this. Have been running T6 in all my cars for 5+ years (n/m) - WhiTTe Z 09:39:05 09/11/18 Any problems with your cats in those 5+ years? - Mr.Stacy 10:23:50 09/11/18 No cat problems to report (n/m) - WhiTTe Z 16:54:25 09/12/18 I still recommend Mobil1 5w-50 (which is more like a 5w-45) - Polish 14:24:48 09/08/18 For the summer I use Liqui-Moly 10W60, just switched to - RAGTPZ 16:56:29 09/08/18 Still running 20W50 RP per SZs recommendation (n/m) - ZXRider 17:08:16 09/08/18 Did they give info/reasoning as to why they recommended? - Waco300zx(DFW) 09:39:03 09/11/18 Yes (n/m) - Piranha 20:37:10 09/08/18 I was, but didn't see much difference in the oil - Tanley (ATL) 13:55:07 09/09/18 When cold, the 15W50 will pump up faster than the 20W50. (n/m) - MixManMash 15:01:42 09/09/18 How cold? below 32 deg. F ? (n/m) - TTkeeper 17:45:46 09/09/18 Even 90 deg. F, 15W50 is going to pump up faster than 20W50. (n/m) - MixManMash 18:29:41 09/09/18 The thicker oil creates better film between the parts - ZXRider 11:31:19 09/10/18 Not necessarily true. I have seen 0W40 stick to surfaces - MixManMash 18:53:42 09/10/18 Re: RP 20W-50 HPS motor oil...still a fave with members ? - sasha 13:43:31 09/11/18 After doing oil changes on my M3 I'm a fan of liqui moly - SkiFly01 10:23:23 09/12/18 Some research I'd done... - Barry (NJ) 14:07:35 09/13/18 That ash content of Mobil 1 makes me nervous... - TTkeeper 16:50:55 09/13/18 Well, the blanks in the chart are not zeros... - Barry (NJ) 09:08:25 09/14/18 You are correct. As engine temps rise, oil viscosity decreas - Polish 13:20:15 09/16/18
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