Search messages and discussions

Search preserved mailing-list messages and current email and website contributions. Current posts are searchable before weekly archival. Recovery gaps remain possible. Words are matched together; try fewer terms if needed.

Page 1+: 60 results shown for Synthetic oil.

Source-balanced relevance: matches from both collections are interleaved, with source dates breaking ties. Restoration time is not the original posting date.

• Best oil
  Website contribution - Michael W. Barbine
  2026-10-13T19:29:27.099Z
  I use Valvolune synthetic high zync racing oil
• Re: Synthetic oil
  Historical mailing list - Robert Rountree
  Thu, 25 Mar 1999 08:06:48 -0500
  ...Synthetic oil > -If I use the synthetic oil should I use the 5w30 or another grade? Use Castrol 15-50 > -Should I take some...
• Re: Synthetic Oil Leaks
  Historical mailing list - Roger&Zoe Ann Banker
  Tue, 25 May 1999 11:13:37 EDT
  ...Because synthetic oil penetrates better, and cleans better, new leaks can happen when you go synthetic. You can change back, since synthetics are completely...
• Re: Synthetic oil
  Historical mailing list - Roger&Zoe Ann Banker
  Wed, 24 Mar 1999 19:56:51 EST
  ...Should I flush the engine with some special liquid before put synthetic oil. May I use ordinary oil with synthetic one? Synthetics are compatable...
• Synthetic vs. Regular lubricants
  Historical mailing list - John H. Rodgers
  Tue, 4 Aug 1998 19:03:51 -0500
  ...Synthetic Oil - good for extreme conditions. Regular Oil - Good for normal use. Blends - they are O.K. You can make your own synthetic/regular...
• Re: Synthetic Oil
  Historical mailing list - Michael Snow
  Sun, 31 Mar 2002 08:17:37 -0800
  ...Are synthetics more prone to leak than dyno oils? > #8. Are the current version of oil seals, O rings compatible with > synthetic oils? > #9...
• Re: Synthetic oil
  Historical mailing list
  Wed, 24 Mar 1999 21:46:42 -0500
  ...Synthetic oil >Hi, > > I am seriously thinking of changing my ordinary castrol 20w50 oil for the Amsoil 5w30 synthetic oil. Because I am not...
• Synthetic oil
  Historical mailing list - Gilles Gallant
  Wed, 24 Mar 1999 17:58:21 -0500
  Hi, I am seriously thinking of changing my ordinary castrol 20w50 oil for the Amsoil 5w30 synthetic oil. Because I am not sure of...
• Re: Oil Leaks due to Synthetics
  Historical mailing list - R. Hotchkiss
  Mon, 19 May 2003 08:06:45 -0400
  I switched to synthetic oil after at the 118K mile point. I now have 221K miles and no leaks or burning. Hotch Richard Hotchkiss...
• oil pressure and 5-30 synthetic oil
  Historical mailing list - hugo lerner
  Tue, 21 Mar 2000 11:17:30 -0700
  ...my mechanic warned me that he has seen problems with oil pressure and low viscosity oil in other vans with non-synthetics. my question...
• Switching to synthetic oil
  Historical mailing list - gary hradek
  Fri, 8 Jun 2007 09:19:28 -0700
  Jay, I am not so sure that synthetic oil is cost effective here. I use synthetic in my turbo passat because it runs hotter...
• Re: oil pressure and 5-30 synthetic oil
  Historical mailing list - Dennis Haynes
  Wed, 22 Mar 2000 22:21:05 -0500
  ...oil pressure and 5-30 synthetic oil > hello everyone and anyone, > i left my 87 westy(stella) with my mechanic last night for a...
• Synthetic Oil - Questions
  Historical mailing list - Brian Doss
  Fri, 19 Feb 1999 09:38:52 EST
  ...But I'm still wondering about synthetic oil. If I understand the general gist, it goes something like this: synthetic oil has better flow...
• Synthetic Oil
  Historical mailing list - Stan Wilder
  Sun, 31 Mar 2002 09:47:24 -0600
  ...Are synthetics more prone to leak than dyno oils? #8. Are the current version of oil seals, O rings compatible with synthetic oils? #9...
• Re: Oil Leaks due to Synthetics
  Historical mailing list - Stan Wilder
  Sun, 18 May 2003 20:28:04 -0700
  One should never switch to synthetic oil during the life a of a motor that has been living on non synthetic. -------------------------- OK --------------------------- So since...
• Re: Synthetic Oil
  Historical mailing list - Matt Sim
  Wed, 18 Jul 2001 14:36:31 -0400
  ...synthetic oil in an aircooled > > Is synthetic oil the way to go for my air-cooled Westy? I have been running > regular 10/40...
• Re: Synthetic oil
  Historical mailing list - Dennis Haynes
  Thu, 25 Mar 1999 22:51:05 -0500
  ...Synthetic oil Hi, I am seriously thinking of changing my ordinary castrol 20w50 oil for the Amsoil 5w30 synthetic oil. Because I am not...
• Re: Synthetic oil or DINO
  Historical mailing list - David Marshall
  Wed, 1 Jun 2005 17:00:12 -0700
  ...Synthetic oil or DINO Just done the head job, oil consumption remains about 3/4 of a qt for 2000 miles. The multivan has...
• Re: Synthetic vs. Regular lubricants
  Historical mailing list - Todd Last
  Thu, 6 Aug 1998 22:46:22 -0700
  ...I've run synthetics in all my cars with no problems whatsoever. I think this comes from the observation that regular oils will cause...
• Synthetic oil
  Historical mailing list - Armstrong, Charles L.
  Thu, 18 Aug 94 08:21:00 cdt
  Just to add my $.02 to the discussion on the use of synthetic oils in air-cooled engines, I recall reading a tech note...
• Synthetic oil or DINO
  Historical mailing list - Leo Lee
  Wed, 1 Jun 2005 16:15:49 -0700
  ...Some said changing to 15/50 significantly reduced oil consumption, some reported that synthetic oil is slippery, slick through tiny gap and consume more...
• synthetic oil in an aircooled
  Historical mailing list - David Cooper
  Mon, 16 Jul 2001 15:02:52 EDT
  Is synthetic oil the way to go for my air-cooled Westy? I have been running regular 10/40 but am up for another...
• Synthetic oils and leaks
  Historical mailing list
  Sun, 08 Jan 1995 12:33 -0800 (PST)
  What I had always heard is that Jurassic oils cause seals to swell more than the synthetics do. Therefore, when putting synthetic oil in...
• Re: Switching to synthetic oil?
  Historical mailing list - John Rodgers
  Fri, 8 Jun 2007 09:30:31 -0500
  I think because of the difficulties in the oil markets, you will see more and more engines switched over to the synthetics. It makes...
• Re: Motor Oil (Synthetic)
  Historical mailing list - Tom Buese
  Mon, 11 Jan 2010 16:47:48 -0700
  ...I change the > oil every 3000 miles, just as I always have for all my vehicles. > I can't imagine how synthetic could improve...
• Re: Ok you doubters, do your research first!
  Historical mailing list - Christopher M. Smith
  Thu, 2 Jan 1997 15:28:59 -0800 (PST)
  On Sat, 28 Dec 1996, Toby Erkson wrote: > If anyone is still unsure about synthetic oil and you think it's just as > good...
• Re: Synthetic vs. Regular lubricants
  Historical mailing list
  Thu, 6 Aug 1998 01:19:24 EDT
  ...They said by using the > synthetic oil, they "suspect" the engine will develop early leaks on rubber > seals. They said they have seen so...
• Re: Synthetic oil or DINO
  Historical mailing list - Karl Wolz
  Wed, 1 Jun 2005 18:58:14 -0700
  Unless there's been a change at Valvolinewerks, their racing oil is not synthetic. I have used Valvoline Racing Oil exclusively for years, with...
• Fw: Synthetic motor oil
  Historical mailing list - Clarence J Falarski
  Thu, 8 Aug 2002 14:18:34 -0400
  ...Synthetic motor oil Fellow Listies: I forgot to mention in my previous post that I use only. Mobile #1 synthetic oil. clarence. Pinehurst, NC.
• Re: synthetic oil
  Historical mailing list - Clarence J Falarski
  Thu, 8 Aug 2002 14:12:39 -0400
  ...The Bike has synthetics in the engine, trany and rear end. If you normally change oil every 3 or 4 thousand miles synthetics might...
• Re: Re : synthetic motor oil
  Historical mailing list - Ed DeBolt
  Sat, 27 Apr 2002 17:11:49 -0700
  ...any theories??? Ed >There are however a couple of high end automobile companies that install synthetic motor oil at the factory in their new...
• Re: Re : synthetic motor oil
  Historical mailing list - Tim
  Sun, 28 Apr 2002 01:05:56 -0700
  ...Tim I have heard all the opinions on breaking in new engines on synthetic motor oil, some pro some con. Most people feel that...
• Re: Re : synthetic motor oil
  Historical mailing list - developtrust
  Sat, 27 Apr 2002 17:54:51 -0700
  ...any theories??? > > Ed > > >There are however a couple of high end automobile companies that install > synthetic motor oil at the factory in their new...
• Re: Switching to synthetic oil?
  Historical mailing list - mike
  Fri, 8 Jun 2007 07:53:54 -0700
  Only problem with this logic is that afaik Castrol builds their synthetic from a dino oil base. Switched to this much cheaper method some...
• Re: Synthetic Oil(s)
  Historical mailing list - harald.nancy
  Fri, 10 Oct 1997 01:08:15 -0700
  Concerning switch to synthetic oil: I think it's very good. I think it's better to just use synthetic oil and not to...
• Synthetic Oil question
  Historical mailing list - Jeff Lincoln
  Tue, 9 Sep 2008 10:12:12 -0500
  I've never used synthetic oil - is there anything that needs to be considered or done when switching from regular dino to synthetic? Or...
• Re: Mixing synthetic and regular oil
  Historical mailing list - Stuart MacMillan
  Fri, 23 May 2014 11:03:57 -0700
  ...Mixing synthetic and regular oil Hi All; I noticed I have a slight oil leak, I believe from the oil pan, in my '87...
• Re: Motor Oil (Synthetic)
  Historical mailing list - Allan Streib
  Mon, 11 Jan 2010 19:02:43 -0500
  ...I change the oil > every 3000 miles, just as I always have for all my vehicles. I can't > imagine how synthetic could improve...
• Re : synthetic motor oil
  Historical mailing list - Clarence J Falarski
  Sat, 27 Apr 2002 19:57:05 -0400
  I have heard all the opinions on breaking in new engines on synthetic motor oil, some pro some con. Most people feel that you...
• Re: Motor Oil (Synthetic)
  Historical mailing list - Dave Mcneely
  Mon, 11 Jan 2010 18:14:20 -0500
  ...I change the oil every 3000 miles, just as I always have for all my vehicles. I can't imagine how synthetic could improve...
• Re: Synthetic vs. Regular lubricants
  Historical mailing list - Yi-Ruey Wei
  Wed, 5 Aug 1998 19:28:45 -0500
  ...Synthetic Oil - good for extreme conditions. Regular Oil - Good for normal use. Blends - they are O.K. You can make your own synthetic/regular...
• Re: Switching to synthetic oil
  Historical mailing list - Dave Vickery
  Fri, 8 Jun 2007 18:17:27 +0000
  ...Switching to synthetic oil >Date: Fri, 8 Jun 2007 09:19:28 -0700 > >Jay, > I am not so sure that synthetic oil is cost...
• Re: Gradual switch to synthetic oil?
  Historical mailing list - Jay L Snyder
  Wed, 27 Feb 2002 14:00:11 -0500
  ...Gradual switch to synthetic oil? Anyone thought of dealing with the perceived notion of switching to synthetic oil by first going to a "blend...
• Re: Synthetic oil or DINO
  Historical mailing list - No Name Available
  Wed, 1 Jun 2005 19:35:51 EDT
  Hi All, I just picked up some Synthetic, Straight 50 weight Valvoline Racing oil. On sale for $1.99 qt. @ Checker. I'd be...
• Re: Synthetic Oil (my story)
  Historical mailing list - Dan Fleming
  Fri, 03 Jan 1997 09:40:20 -0800
  For those non-believers who also cringe at the price of pure synthetic oils, a test with the new blends may be the ticket...
• Re: Synthetic oil
  Historical mailing list - David Marshall
  Wed, 24 Mar 1999 19:21:54 -0800
  ...I think synthetic oil is great stuff and it is superior to dinosaur oil. But, a lot of the manufactures tell you that you...
• Re: Synthetic Oil(s)
  Historical mailing list - Charles Michaux
  Wed, 8 Oct 1997 08:59:49 -0000
  ...Synthetic Oil(s) > Date: Tuesday, October 07, 1997 11:03 PM > > Hey folks, > > I am sure this topic has been batted around a bit...
• Synthetic oil and older type two motor seals
  Historical mailing list - CLARKE
  Mon, 31 Mar 1997 16:46:30 -0800 (PST)
  When a person uses synthetic motor oil in an older type 2 air cooled engine, ('78), will the motors engine seals be attacked or...
• Re: Gradual switch to synthetic oil?
  Historical mailing list - Dan Aldrich
  Thu, 28 Feb 2002 18:32:57 -0500
  ...Gradual switch to synthetic oil? > > >> Anyone thought of dealing with the perceived notion of switching to >> synthetic oil by first going to a "blend...
• Re: Mobil 1 oil change interval
  Historical mailing list - Mark Tuovinen
  Wed, 2 Jun 2004 13:20:31 -0800
  ...I use synthetic oils in most of my vehicles, and have since the mid 70's. I usually change the oil between ten and...
• Re: Tranny oil - success
  Historical mailing list - clerkin
  Thu, 26 Jul 2001 12:29:12 -0500
  ...This is because the dino oil causes the seals to >swell slightly - synthetic does not. So when you switch to synthetic, any >swollen seals...
• Re: Synthetic oil or DINO
  Historical mailing list - John Rodgers
  Wed, 1 Jun 2005 20:49:12 -0500
  ...Price difference isn't that much anymore between Dino and Synthetic. Synthetics handle the heat better, do provide easier starting, longer times between oil...
• Fwd: Re: Synthetic oil or DINO, thanks
  Historical mailing list - Leo Lee
  Thu, 2 Jun 2005 06:55:22 -0700
  ...Synthetic oil or DINO Just done the head job, oil consumption remains about 3/4 of a qt for 2000 miles. The multivan has...
• Re: synthetic oil in an aircooled
  Historical mailing list - Miguel Calvin
  Mon, 16 Jul 2001 22:17:50 -0400
  ...Is synthetic oil the way to go for my air-cooled Westy? I have been running regular 10/40 but am up for another...
• Re: changing to synthetic oil - was STUPID QUESTION?
  Historical mailing list - John Bange
  Thu, 25 Aug 2005 18:46:23 -0700
  > I've heard that it's not a good idea to change to synthetic oil in a > high mileage engine. > Any thoughts on this...
• Re: Changing oil: Hot, Lukewarm, or Cold
  Historical mailing list - Dan N
  Thu, 2 Jul 2020 07:53:30 -0700
  the presence of Synthetic Blend oil means it's OK to mix synthetic and dyno oil but the only thing the public do not...
• Re: Castrol Synthetic Oil
  Historical mailing list - David Jaffe
  Tue, 22 Jan 2002 12:10:59 -0800
  Any of the top-brand synthetics greatly reduce engine wear, partly because the molecules are smaller than those in regular motor oils. But this...
• Re: Switching to synthetic oil?
  Historical mailing list - Jeff Lincoln
  Fri, 8 Jun 2007 09:56:24 -0500
  ...The manufacturers are not selling us snake oil. The > synthetics were first developed for the racing world for those high > powered, hight temperature racing...
• Re: Castrol, QT, 5W50
  Historical mailing list - Rich Bennington
  Wed, 7 Feb 2007 09:23:09 -0800
  ...20w50 is standard oil and 5w50 is full synthetic. There is no 5w50 standard oil so one of the solutions to cold weather starting...
• Re: how engine oil degrades (was: sysnthetic oils)
  Historical mailing list - Dan Fleming
  Thu, 02 Jan 1997 20:12:54 -0800
  One thing that respondants to the synthetic oil debate have not addressed is viscosity under different temperatures. While conventional engine and gear oils turn...