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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 5+: 60 results shown for Viscosity.

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

  • Re: 20W-50 oil question
    Historical mailing list - David Kao
    Wed, 3 Oct 2007 21:39:40 -0700
    Mike, did you mean to say the other way around? Or am I understanding oil viscosity incorrectly? But I agree with you that when...
  • Re: Synthetic Oil(s) YES!
    Historical mailing list - Eric Zeno
    Thu, 9 Oct 1997 22:15:54 -0400
    ...However the film strength protects > the engine much better, and the lower viscosity allows the engine to > develop measurably more power and a slight...
  • Re: oil pressure
    Historical mailing list - Dennis Haynes
    Thu, 23 May 2002 10:05:51 -0400
    ...The higher the viscosity, the greater the resistance to flow. More resistance = higher pressure. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@GERRY...
  • Oil pressure light
    Historical mailing list - Moritz, Thomas W NWW
    Fri, 24 Aug 2001 09:25:12 -0700
    ...If my mechanic installed the 1.8bar switch this would explain why this problem appears when the oil viscosity is too low either due...
  • oil temps
    Historical mailing list - Linda J. Bartnik
    06 Jul 96 20:21:02 EDT
    ...Of course, I know that that is dependent on a number of factors, including air temperature, oil viscosity, whether the road is hilly or...
  • Re: Fwd: '87 Westy - Oil Change, out of hibernation
    Historical mailing list - Scott Daniel - Turbovans
    Wed, 13 Mar 2013 20:13:59 -0700
    ...wellfirst ....if it's that hot ( 115 F ) and having oilprotecting the engine well enough and maintaning viscosity at very high ambient temps..is...
  • Re: oil pressure
    Historical mailing list - Bj�rn
    Tue, 2 Jun 1998 16:59:56 -0700
    ...A note on viscosity: Ideally you need thin oil when you start the engine and thgicker oil when the engine gets hot. Oil becomes...
  • Re: Oil: 10w30? 20w50?
    Historical mailing list - John Rodgers
    Wed, 24 Sep 2003 09:28:41 -0500
    ...even in winter, the engine needs an oil of a certain viscosity. A thinner, lighter weight oil just aids in reducing starting friction. After...
  • Re: Bentley on Oils (was: Summer oil recommendation)
    Historical mailing list - Noto-Gaudette
    Fri, 28 May 1999 11:23:41 -0400
    ...The oil > viscosity chart on p. 17 is a bar graph; I've typed, below, the > approximate outdoor temperature ranges in degrees specified for...
  • Re: That oil buzzer
    Historical mailing list - Kk Al
    Tue, 5 May 2015 10:37:53 -0400
    ...Seriously, the water > boxer can be very sensitive to oil level in addition to viscosity. When > overfilled the crank and cam will churn in...
  • Re: Oil Buzzer advice
    Historical mailing list - Dave Mcneely
    Thu, 1 Oct 2015 23:37:41 -0500
    ...BTW, I do have a tencentlife cooler, and I believe it has mattered to my oil temperature and thus oil viscosity, and thus oil...
  • Re: what causes low oil pressure
    Historical mailing list - Steve Cotsford
    Fri, 9 Jan 2004 14:25:26 -0500
    ...When the engine is working hard, the oil gets hotter and thinner and for a given viscosity, the pressure gets lower and the buzzer...
  • Re: Mirrors, Spark Plugs, Oil temp gauge
    Historical mailing list - Rob
    Mon, 07 Jul 1997 13:07:47 -0400
    ...My (original) air-cooled engine has >about 82K, runs about 120 PSI across; runs 30-40 weight straight viscosity >oil in summer. The van...
  • Re: Oil Weight Reccomendation
    Historical mailing list - John Brush
    Tue, 20 Aug 2002 22:09:40 -0600
    ...If it is always 95 degrees, what is the difference in viscosity and protection between 20-50W and straight 50W? Does not the use...
  • Re: mixing oils?
    Historical mailing list - Dana Morphew
    Wed, 24 Sep 2003 12:31:19 -0700
    ...It was all new oil but some was 10W-30, some was > 20W-50, and the other was something else in viscosity. All was...
  • Re: Fwd: '87 Westy - Oil Change, out of hibernation
    Historical mailing list - Rob
    Wed, 13 Mar 2013 20:37:52 -0600
    ...I think VW meant the single weight >recommendation, and what multi-grade has the capacity to maintain >viscosity with that condition? > >mcneely
  • Re: Secret tune-up / service item on 1.9 waterboxer engines.
    Historical mailing list - Michael Snow
    Fri, 29 Jul 2011 16:56:41 -0400
    ...54) and wondering > what the right viscosity is for conditions where the nighttime lows are > in the mid-40's (F) and the daytime...
  • HELP!! THIS IS AN EMERGENCY!!!!!
    Historical mailing list - Brian Baudoin
    Fri, 21 Sep 2001 01:21:32 EDT
    ...perhaps drain the oil out of another hole? Please help!! The viscosity of the oil is dangerously low, and I don't want to...
  • Re: Oil Weight Recommendation
    Historical mailing list - mike
    Wed, 21 Aug 2002 12:13:23 -0700
    ...pressure, > > I was joking :( > >> 10-30W could be far too low viscosity under cold conditions. > > I seldom mow my lawn when it is snowing...
  • Re: What oil to use?
    Historical mailing list - Bulley
    Mon, 21 Jun 1999 14:44:57 -0400
    ...What's your opinion on the brands, and the viscosity? I live in TX, so extreme cold is not really a factor. Thanks for...
  • Re: 5W30 Oil --- is it OK???
    Historical mailing list - Karl F Bloss
    Fri, 25 Jun 1999 23:58:36 -0400
    ...This affects the viscosity such that it gives 15 when cold (15 is the oil base) and the stretched out polymer chains cause behavior...
  • Re: Low Oil Pressure
    Historical mailing list - Stuart MacMillan
    Tue, 22 Feb 2000 08:43:55 -0800
    ...weight rating, which is performance based (by testing), not actual physical viscosity. This gives them the benefit of slightly better gas mileage as well...
  • 20 psi oil pressure on freeway. Worry?
    Historical mailing list - Craig Oda's Personal email
    Sun, 13 Oct 2002 13:34:56 -0700
    ...I'm running 20w50 oil with viscosity thickener. Should I still drive the van around with the family, or is this oil pressure so...
  • Re: Fwd: '87 Westy - Oil Change, out of hibernation
    Historical mailing list - Dennis Haynes
    Thu, 14 Mar 2013 00:51:04 -0400
    You would be amazed the engine damage that can occur from the wrong oil viscosity in cold weather. Even on non VWs. Modern engines...
  • Re: Is it normal...
    Historical mailing list - Anthony Egeln
    Wed, 15 Feb 2006 19:51:46 -0800
    ...When over full, oil temps go up, viscosity goes down. Oil lights and buzzers get tested after long highway runs. Very high speeds make...
  • Re: Which Fluid Brands do you use in the Van 2.1 L Auto High Milage
    Historical mailing list - Jake de Villiers
    Fri, 24 Apr 2009 19:27:21 -0700
    Shell Rotella T diesel truck oil has lots of zinc anti-wear and no viscosity modifiers either. The best dino oil available On Fri...
  • <Syncro> viscous coupling
    Historical mailing list
    Mon, 17 Feb 1997 12:17:02 -0400 (AST)
    ...I want to analyse the geometry of the coupling and figure out viscosity requirements. Anyhow, if you have a dead coupling lying around, send...
  • Re: Consumer Reports on oil
    Historical mailing list - Joel Walker
    Thu, 20 Jun 96 07:33:14 CDT
    ...when i used to get my oil analyzed, it took only 3000 miles for a straight 30W oil to change viscosity into a 46W...
  • Re: 20W-50 oil question
    Historical mailing list - Mike Collum
    Thu, 4 Oct 2007 00:47:28 -0400
    ...Mike David Kao wrote: > Mike, did you mean to say the other way around? Or am I understanding oil > viscosity incorrectly? But I agree...
  • Re: synthetic tranny oil
    Historical mailing list
    Mon, 13 Nov 1995 14:20:08 -0400
    ...Dealer said "it burns bearings" but I can't accept this if it meets viscosity index specs and usual other protection factors. Mixing? Tim...
  • Everything you always wanted to know about grease...
    Historical mailing list
    Mon, 29 Apr 96 21:21 CDT
    ...The >viscosity of grease, as labeled by NLGI, ranges from No. 000 (runny) to No. >6 (very thick, almost solid). The viscosity is quite...
  • Re: Oil sensor still buzz after going to Mahle oil filter, now what?
    Historical mailing list - Matthew Bulley
    Tue, 25 Jul 2000 21:57:46 -0400
    ...Change viscosity to 20w50. G. Matthew Bulley Bulley-Hewlett Mount Olive, NC USA 877.658.1278 Tollfree www.bulley-hewlett.com My Agenda: Stop...
  • Re: Transmission Woes
    Historical mailing list - mark drillock
    Sun, 6 Nov 2011 05:52:10 -0800
    ...When the tranny is cold the viscosity of the gear oil adds internal drag to the shaft and the failing bearing must overcome this...
  • Coolant flush after ATF cooler failure
    Historical mailing list - Mark Pry
    Sun, 3 Jun 2007 09:26:56 -0700
    ...My mechanic's current theory is that the ATF residue changes the viscosity of the coolant sufficiently to cause the sensor to trip. Is...
  • Re: Noisy lifter
    Historical mailing list - Dana Morphew
    Fri, 1 Dec 2000 09:28:37 -0800
    ...I think the > correct viscosity oil is as, or maybe more important than the filter. Too > thick and the lifters won't get sufficient...
  • Re: Oil pressure ?
    Historical mailing list - Chris S.
    Sat, 22 Nov 2014 20:18:42 -0500
    2 bar at 80 degrees centigrade at 2000 rpm with factory oil viscosity, which I believe is 30 weight, is the low minimum guide...
  • Re: Oil warning light?
    Historical mailing list - Chris S
    Mon, 30 Mar 2009 15:48:11 -0400
    ...What oil viscosity are you using and what were the ambient temps? On 3/30/09, Gregory S. Morrison <gsm@gregorysmorrison.com> wrote: > Dear...
  • Re: Oil Viscosity Recommendations
    Historical mailing list - Karl F. Bloss
    Wed, 19 Jul 2000 15:32:48 -0400
    Let me also chime in for 20W50 and Mahle/Mann filters. I run this year-round, including Pennsylvania winters (often down to singe digits...
  • Re: Oil Viscosity Recommendations
    Historical mailing list - M Williams
    Wed, 19 Jul 2000 15:15:03 EDT
    ...Does anyone have any information on such a revised oil viscosity recommendation or know how I could contact VWoA directly to confirm or deny...
  • Re: Going to Vegas for a business trip, anything I should be seeing while there?
    Historical mailing list - Karl Wolz
    Mon, 6 Feb 2012 18:41:43 -0700
    Tires? Oil viscosity and polymer thermal breakdown? Karl Wolz Sent from my electronic umbilicus On Feb 6, 2012, at 6:21 PM, Tom Buese...
  • Re: oil pressure-quaker state filters/Fram filters
    Historical mailing list - Dennis Haynes
    Tue, 21 Jul 1998 22:42:48 -0400
    ...4) Incorrect oil viscosity,or oil diluted.(20w-50 as per owners manual). 5) Crankcase overfilled. Changing filter usually corrects this due to 1...
  • Re: 2.1L oil light and warning buzzer problem...???
    Historical mailing list - george jannini
    Mon, 5 May 2003 09:13:20 -0400
    ...Oil viscosity can also break down over time, and my old boxer was living proof that Castrol 20W50 is probably closer to ?W-inadequate...
  • Re: Oil light buzzer/archives
    Historical mailing list - Dennis Haynes
    Fri, 28 Jan 2005 18:23:10 -0500
    ...Oil Viscosity- is it proper? Should be 15w-40 or 20w-50 for most any high speed/load use. This is a conflict in...
  • Re: Oil Relief Plug
    Historical mailing list - Bruce Todd
    Tue, 22 Jun 2021 14:39:59 -0700
    ...Choice of oil viscosity and other factors can change this. The > dynamic oil pressure warning system will sound the buzzer at less than ~13...
  • Re: I've Had a Change of Heart
    Historical mailing list - Kim Howe
    Sun, 28 Apr 2002 10:42:43 +0800
    ...PM, CTONLINE@WEBTV.NET writes: > > << Wynn's is a much better viscosity enhancer, and friction eliminator > than > Marvel--- >> > > OK, oh Great One, oh Merciful...
  • Re: Castrol, QT, 5W50
    Historical mailing list - Mike Collum
    Tue, 6 Feb 2007 05:09:20 -0500
    ...have in northern Maine and it also offers the necessary higher viscosity for extended freeway travel. Remember, with a functioning thermostat, the engine, when...
  • Re: Choice of Oil
    Historical mailing list - Robert Fisher
    Mon, 7 Feb 2005 19:49:18 -0800
    ...Choice of Oil >> >> Multi-Viscosity oils have been around since the 70's. The better one's >> have it right. Especially the synthetics as...
  • Re: how engine oil degrades (was: sysnthetic oils)
    Historical mailing list - Will Wood
    Thu, 02 Jan 1997 21:18:31 -0700
    ...Changing the oil provides a new viscosity level, which with oil age decreases and you have pressure problems again. Going to a higher viscosity...
  • It's always something about oil
    Historical mailing list - Kent Christensen
    Fri, 19 Feb 1999 11:01:51 -0700
    ...While the reformulation may be more relevant to the lighter viscosity versions of a particular oil, there remain questions. Anyone heard anything else or...
  • Re: flickering oil light
    Historical mailing list
    Tue, 4 Jun 1996 01:16:15 -0400
    ...The second, since you mention the high temp, is the oil has just begun to loose viscosity. Remember, its heat that kills the oil...
  • Re: Synthetic Oil Conversion, What is the best Easy Access Brand, and Viscosity?
    Historical mailing list - Paul Connelly
    Sun, 29 Jan 2006 13:10:27 -0700
    ...Synthetic Oil Conversion, What is the best Easy Access > > Brand, and Viscosity? > > > > Living in northern Maine I see very cold winter temperatures which make...
  • Re: Rubber Seal Treatment
    Historical mailing list - Jake de Villiers
    Sun, 1 Nov 2009 11:37:35 -0800
    ...I just use enough water to cut the high > viscosity of the glycerine to about that of dish soap or just a tad thinner...
  • Re: Motor Oil (Synthetic)
    Historical mailing list - Tom Hargrave
    Tue, 12 Jan 2010 16:57:37 -0600
    ...Synthetic base oils require less viscosity modifiers which is a good thing because viscosity modifiers tend to cause ring coking problems. Also, synthetic oils...
  • Re: Oil recommendations simplified
    Historical mailing list - Tom Hargrave
    Sun, 4 Dec 2011 11:26:31 -0600
    ...The other consideration is that the multi-range oils of the day did not maintain viscosity well and often were not even stable. The...
  • Re: Automatic Transmission Fluid and Gear Oil Comparison and Feedback please
    Historical mailing list - Dennis Haynes
    Tue, 5 May 2009 21:00:24 -0400
    ...From what I could see it states the Royal Purple and > Lucas oils have every high viscosity at high temperatures after a KRL > 20Hr...
  • Re: VC fluid - take a chance on this
    Historical mailing list - Alistair Bell
    Sat, 3 Apr 2010 11:57:48 -0700
    ...written by an Audi/vw engineer) shows that the siloxane's viscosity does not increase with temp. its a shear thickening fluid, the shear...
  • Re: '87 Oil pressure NEED HELP!!
    Historical mailing list
    Thu, 25 Jul 1996 19:30:20 -0400
    ...the oil pressure in this one?? >> Low idle speed and wrong viscosity oil can both cause this problem. Find out what oil is being...
  • Re: Oil pressure readings
    Historical mailing list - Dennis Haynes
    Tue, 21 Apr 1998 19:20:49 -0400
    What viscosity oil are you using? This is necessary for any valid comparison. If you are using 10-30 or 10-40, than these...
  • Re: Synthetic Oil Grade
    Historical mailing list - Hajasz
    Thu, 10 Jun 1999 10:55:16 -0400
    ...A little pricey but I think the engine benefits from the lower viscosity at start up. Instead of being gooped in the pan at...
  • Re: Oil Pressure Warning Buzzer
    Historical mailing list - Stuart MacMillan
    Tue, 22 Aug 2000 08:19:35 -0700
    ...It appears that the system is quite system to changes in viscosity. > > These are my observations for what they are worth. > > JIseman457@aol.com...