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: 34 results shown for improver.

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

• Re: should 10W-40 be avoided?
  Historical mailing list - Scott De Santi
  Sun, 15 Oct 2000 17:32:54 EDT
  ...Mobil 1 uses no viscosity improvers in their 5W-30, and I assume the new 10W-30 >> Any information on the Mobil 1 15W...
• do you have noisy lifters?
  Historical mailing list - Smola, Tony
  Mon, 30 Apr 2001 23:07:20 -0500
  Then try the swepco 502 oil improver, you can hear it work within minutes of adding it to your oil. tip of the day...
• should 10W-40 be avoided?
  Historical mailing list - Jean-Guy Savoie
  Sun, 15 Oct 2000 15:40:49 -0300
  ...20W-50 is the same 30 point spread, but because it starts with a heavier base it requires less viscosity index improvers (polymers) to...
• Re: do you have noisy lifters? Maybe I do???
  Historical mailing list - Brian Asbury
  Mon, 30 Apr 2001 23:28:26 -0500
  ...Brian > > > Then try the swepco 502 oil improver, you can hear it work within > minutes of > adding it to your oil. > > tip of the...
• Re: should 10W-40 be avoided?
  Historical mailing list - David Marshall
  Sun, 15 Oct 2000 17:57:15 -0700
  ...20W-50 is the same 30 point spread, but because it starts with a >heavier base it requires less viscosity index improvers (polymers) to...
• Food that doesn't spoil <f>
  Historical mailing list - Dave Kautz
  Fri, 7 Jul 95 11:16:26 PDT
  ...don't melt when warmed......could they be used as viscosity improvers in motor oil perhaps? Who cares how hot the oil gets! I...
• Re: do you have noisy lifters? Maybe I do???
  Historical mailing list - harald_nancy
  Mon, 30 Apr 2001 22:16:47 -0700
  ...identify one by > one. > > Brian > > > > > Then try the swepco 502 oil improver, you can hear it work within > > minutes of > > adding it to your...
• Re: Which is better, synthetic oil or conventional oil? from the AAA website
  Historical mailing list - tmiller
  Wed, 2 Jun 2004 20:05:15 -0400
  ...Viscosity index improvers and pour point depressants are added to counter these problems but are mechanically broken down with use. For 99 cents/quart...
• Re: Does a worn pressure relief valve cause Oil pressure buzzer?
  Historical mailing list - G.M.Bulley
  Sat, 5 Oct 2002 16:13:42 -0400
  Motor HoneyR is the brand name of a viscosity improver sold at most FLAPS. There are other brands like Stop SmokeR or STP (blue...
• Re: Choice of Oil
  Historical mailing list - Dennis Haynes
  Mon, 7 Feb 2005 22:01:57 -0500
  ...Especially the synthetics as they do not need as much of the VI improvers to cover the wide ranges. Lately I've been using...
• Re: Lucas Heavy Duty Stabilizer
  Historical mailing list - Dennis Haynes
  Sun, 25 Mar 2012 10:33:27 -0400
  ...The oil stabilizer is basically a viscosity improver with some other benefits. If it is really beneficial can become another matter. My own thoughts...
• Re: Synthetic Oil(s) YES!
  Historical mailing list - Mark B. Magee
  Fri, 10 Oct 1997 18:25:50 -0500
  ...t make acid as they interact with engine moisture, the viscosity improvers last much longer on the multi-vis oils. Additionally, syn oil's...
• Re: Choice of Oil
  Historical mailing list - Jason Kirk
  Mon, 7 Feb 2005 19:32:09 -0800
  ...Especially the synthetics as they do not need as much of > the VI improvers to cover the wide ranges. Lately I've been using...
• Re: My new camper!!!
  Historical mailing list - Martin Jagersand
  Fri, 25 Jun 1999 16:09:58 -0400
  ...It's a cleaner/fuel improver made by a major Diesel injection pump builder. Don't buy any other brand (skip the stuff they...
• Re: Spooked!
  Historical mailing list - David Beierl
  Sat, 4 Jun 2011 13:06:29 -0400
  ...temperature properties to a bunch of very-long-chain molecule viscosity improvers that degrade over time as they get sheared in the engine, and...
• why should 10W-40 be avoided?
  Historical mailing list - pierre a. lachance
  Sun, 15 Oct 2000 18:56:22 -0400
  ...AMSOIL can formulate their 10W-30 and 15W-40 with no viscosity > index improvers but uses some in the 10W-40 and 5W-30.
• Re: Synthetic Oil(s) YES!
  Historical mailing list - Eric Zeno
  Thu, 9 Oct 1997 22:15:54 -0400
  ...t > make acid as they interact with engine moisture, the viscosity improvers > last much longer on the multi-vis oils. > Additionally, syn oil's...
• Re: 91 Vanagon, oil pressure anomaly
  Historical mailing list
  Sat, 8 Jun 1996 00:14:45 -0400
  ...This is one benfit of the synthetic oils as they naturally high viscosity index without the nead for VI improvers. The Mobil 1 15...
• Re: DOn't use SM rated oils Re: Flickering Oil Light 84 auto
  Historical mailing list - Dennis Haynes
  Sun, 16 Sep 2007 09:37:47 -0400
  ...With conventional oil, the 10w-40 also represents a wide range, relying on viscosity improvers to get the rating often making for an un...
• Re: Choice of Oil
  Historical mailing list - Robert Fisher
  Mon, 7 Feb 2005 19:49:18 -0800
  ...Especially the synthetics as they do not need as much > of >> the VI improvers to cover the wide ranges. Lately I've been using...
• Re: Choice of Oil
  Historical mailing list - Jim Felder
  Mon, 7 Feb 2005 22:02:19 -0600
  ...Especially the synthetics as they do not need as much >> of >>> the VI improvers to cover the wide ranges. Lately I've been using...
• *very long* All you need to know on Synthetic oil
  Historical mailing list - Dan Houg
  Wed, 3 Apr 1996 16:32:53 CST6CDT
  ...A synthetic may require considerably less VI improver to have the same viscosity index. Remember that the VI improver wears out. Synthetic's are...
• Additives, was: Additive
  Historical mailing list - Bulley
  Mon, 8 May 2000 10:56:48 -0400
  ...MH is allegedly a "viscosity improver". Basically, just sticky, gooey oil. Since my Jetta TD has 190k+ on it, and since the Vanagon's...
• Re: heaviest oil to use??
  Historical mailing list - Al Brase
  Sat, 3 Sep 2005 02:08:42 -0400
  ...Unlike multi vis oil which starts out as 10 weight and then has VI improver added, straight weigh oil is that weight and the...
• Re: heaviest oil to use??
  Historical mailing list - jaime forero
  Sun, 4 Sep 2005 10:21:25 -0500
  ...Unlike > multi vis oil which starts out as 10 weight and then has VI > improver added, > straight weigh oil is that weight and the...
• Ed Hackett's big oil FAQ (long) Subject: New oil data
  Historical mailing list
  Thu, 14 Jul 94 8:11:24 PDT
  ...20W-50 is the same 30 point spread, but because it starts with a heavier base it requires less viscosity index improvers (polymers) to...
• Re: Synthetic Oil(s) (long)
  Historical mailing list - Tom Brunson
  Fri, 10 Oct 1997 00:46:18 UT
  ...a wide viscosity range from their base stock without VI (viscosity improvers) additives which tend to break down with use. Good synthetics show almost...
• Re: Snake Oil or Legit?
  Historical mailing list - Scott Foss - Shazam
  Sat, 24 May 2008 18:46:21 -0700
  ...the cetain improver kind, and the anti-gel kind.........( and by golly, I'll have to add that onto the list of about 16...
• Re: Just interesting observation & More Questions
  Historical mailing list - Al and Sue Brase
  Sat, 18 Dec 2004 12:55:48 -0600
  ...Multi-vis oil starts with thin base stock and adds VI improvers to make it thicker. These break down with use and high temps...
• Re: Newbie Oil Question (Facts added)(long)
  Historical mailing list - Subject: Re: Newbie Oil Question (Facts added)(long)
  2 Apr 92 19:33:31 GMT
  ...20W-50 is the same 30 point spread, but because it starts with a heavier base it requires less viscosity index improvers (polymers) to...
• Re: Make Best of Synthetic Oil?
  Historical mailing list
  Sat, 18 Sep 1993 13:27:09 GMT
  ...20W-50 is the same 30 point spread, but because it starts with a heavier base it requires less viscosity index improvers (polymers) to...
• Re: Motor Oil (Synthetic)
  Historical mailing list - Dennis Haynes
  Wed, 13 Jan 2010 00:13:55 -0500
  ...Viscosity index improvers and multi-weight oils to the rescue. This did not work as well as planned as first. One difficulty was the...
• Re: gas prices and fuel economy ... another slant :)
  Historical mailing list - joel walker
  Fri, 27 Jun 2008 22:06:31 -0500
  ...It can be noted, by the way, that one advantage of a synthetic base stock is its requiring less viscosity-index improver than what...
• Re: Acetone tip
  Historical mailing list - Leslie H Schwartz
  Sat, 2 Jun 2007 18:00:05 -0700
  ...Certain octane improvers for example also aid mileage. We recently proved that Carb Medic from Gunk can raise mileage when 3 oz. are used...