← vanagon.com home · Continue the discussion in the forum

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 17+: 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: Vanagon running rough
Historical mailing list - Craig Oda
Mon, 10 Jan 2005 08:11:33 -0800
...search the net - the first thing I found was about Oil > viscosity - too thin and the hydraulic tappets don't lift enough - I had...
Re: Resolved: Re: Oil pressure light comes on after about 7 minutes.
Historical mailing list - Roland
Sun, 12 Dec 2010 17:31:08 -0800
...Easy check! If your switch is white it is the wrong > >>> one. > >>> Oil viscosity-level. Well you say 20w-50, that is fine. Did...
Re: Oil Pump Replacement.
Historical mailing list - Tyler Hardison
Fri, 6 Nov 2015 18:44:30 -0800
...When the engine gets >> hot not only does the oil pressure go down due the lower viscosity but >> the case expands and the main...
Re: Oil pressure light in 1.9l at idle
Historical mailing list - Dennis Haynes
Mon, 28 Nov 2011 07:58:28 -0500
...The Castrol 5w-50 seems to thin out at higher temps even though it should be the same viscosity as 50 at 100C. Is...
Re: Oil Light flashing
Historical mailing list - Dennis Haynes
Thu, 16 Nov 2006 19:54:11 -0500
...What oil viscosity are you using? A quart low will not turn on the light and in fact is better than over full. The...
Re: Summer Oil pressure drop + higher temperatures with oil error (Was: Is 20w50 Oil OK in the winter?)
Historical mailing list - Jeffrey Schwaia
Thu, 26 Dec 2002 14:51:55 -0800
I've fixed more blinking oil lights with the correct oil filters than with higher oil viscosity. Usually it's an issue in the...
Windage Trays and Lubrication Issues (Air and Water Cooled)
Historical mailing list - Frank Grunthaner
Wed, 27 Mar 2002 02:42:47 EST
...But as early as 1500 rpm (depends on the viscosity and film shear strength - which are in turn functions of temperature and parent oil...
Re: Expected Life of a Cat Converter??
Historical mailing list - Tom Hargrave
Sat, 15 Jan 2011 22:51:56 -0600
...Excess oil level, wrong viscosity, worn valve guides/rings excessive high revs and engine braking all lead to some oil passing through to the...
Re: Oil pressure light and buzzer
Historical mailing list - David Beierl
Thu, 31 Aug 2017 13:28:34 -0400
...Can't find any loose > > wires? What if it was cheap oil that lost viscosity too soon? Maybe an > > oil change? > > > > > > Get a basic...
Bus Depot Fuel Tanks/Baffles and Flow
Historical mailing list - Frank Grunthaner
Fri, 14 Jul 2000 14:42:19 EDT
...The point is that the fuel is a very low viscosity liquid and the baffles only offer a n impedance or resistance to flow...
Re: Faintly Van related/TDI
Historical mailing list - mike
Mon, 12 Aug 2002 03:22:40 -0700
...there's lots of other reasons, besides the oil > viscosity, to change the oil. on diesels, fuel dilution is a big > factor ... because of...
Re: Rear heater control
Historical mailing list - Dave Mcneely
Mon, 19 Nov 2012 14:38:10 -0600
...When a solution like coolant, which has a higher viscosity than does water, and may also contain some materials leached or eroded from various...
Re: Oil overfill... or not? (long post)
Historical mailing list - Dennis Haynes
Sun, 8 Aug 2010 09:59:59 -0400
...Synthetic oils can maintain viscosity at temperature extremes but there normal viscosity is slightly lower. They do have lower pumping losses though so they...
Re: Just interesting observation & More Questions
Historical mailing list - Aristotle Sagan
Fri, 17 Dec 2004 11:49:58 -0800
...Just interesting observation > > > > > >>I am curious, > >> Why does that combination of Oil/Filter fix this? > >> I understand the viscosity of the oil, but what...
Re: Oil pressure ?
Historical mailing list - Dennis Jowell
Sun, 23 Nov 2014 09:18:38 -0500
...at 6:42 PM, Dennis Haynes <d23haynes57@hotmail.com> >>> wrote: >>> >>> What viscosity oil are you using? 22 psi at 3,600 RPM is low...
Re: Royal Purple Motor Oil..
Historical mailing list - OlRivrRat
Mon, 12 May 2014 00:40:35 -0600
...oils is that 15w- or 20w- oil is physically > thicker (higher viscosity) than a 5w- anything, and that makes a big > difference in our...
Re: Boston Bobs tale of an engine stripper or .19 Main bearing info was Flickerin oil light on 85 auto
Historical mailing list - Stan Wilder
Sun, 7 Apr 2002 12:47:13 -0500
...Only problem is you never answered the original > question > about oil viscosity! > > I've been advised to never use multi vis oils (yes - a...
Re: Dodged a bullet -- blowed the oil filter right off Long winded
Historical mailing list - Dennis Jowell
Mon, 4 Jan 2016 06:40:57 -0500
...For oil viscosity even on rebuilt engines I still pay > attention to the original chart. Note that when you look at oil temperature > specifications...
Re: sliding door popping open
Historical mailing list - Vince S
Fri, 13 Aug 2004 08:59:08 -0700
...Using low viscosity lubricant alleviates the problem. Closing the door gently also help. 3) I recently readjusted the door alignment at the front lower...
<Syncro> VC #4: The Real Story
Historical mailing list
Fri, 21 Feb 1997 12:58:53 -0400 (AST)
...VC is dead 3) if siloxane is overheated it will change viscosity permanently and the VC is dead 4) if the seals die, and...
Re: Thoughts on running Mobil-1 Synthetic oil
Historical mailing list - Dennis Haynes
Thu, 4 Oct 2007 12:02:40 -0400
...Oil was still clean and within viscosity specs > but > high temperatures where causing the Mobil to breakdown. The Fox on the > other > hand makes...
Re: Oil Pump Replacement.
Historical mailing list - Stuart MacMillan
Fri, 6 Nov 2015 17:06:11 -0800
...When the engine gets hot not only does the oil pressure go down due the lower viscosity but the case expands and the main...
Re: New diesel from VW
Historical mailing list - Dave Mcneely
Tue, 18 Nov 2014 15:32:06 -0600
...That's one of the reasons for the lower viscosity synthetic oil. > >> > >> That being said, unless it's one of the newer diesel trucks...
Re: Oil pressure light and buzzer
Historical mailing list - Jeff Schwaia
Mon, 23 May 2016 14:43:32 -0700
...Over filling will cause the oil to > > overheat and lose viscosity. Adding a real oil cooling system can also be helpful. > > > > Dennis > > > > -----Original Message...
Re: Windage Trays and Lubrication Issues (Air and Water Cooled)
Historical mailing list - Chris Mills
Wed, 27 Mar 2002 13:29:02 -0600
...But as early as 1500 rpm (depends on the >viscosity and film shear strength - which are in turn functions of >temperature and parent oil...
Re: Oil temp. ? and OP ?
Historical mailing list - Jake de Villiers
Tue, 5 Oct 2010 10:12:37 -0700
...front of the head, indicates that my oil is losing > > > significant viscosity at the motor gets hot...I have about 85psi on > start up...
Re: E
Historical mailing list - Dennis Haynes
Sat, 3 Nov 2012 21:05:46 -0400
...A number of the higher viscosity oils are still marketed for the collector and high performance car market. Castrol GTX 20w-50 and yes...
Re: DOn't use SM rated oils Re: Flickering Oil Light 84 auto
Historical mailing list - VW Doka
Fri, 14 Sep 2007 12:16:06 -0700
...Flickering Oil Light 84 auto Really interesting discussion here about oil viscosity. Years ago in my flying days, we used straight 50W oils in...
Re: Oil pressure ?
Historical mailing list - Don Hanson
Sun, 23 Nov 2014 06:06:05 -0800
...at 6:42 PM, Dennis Haynes <d23haynes57@hotmail.com> > >> wrote: > >> > >> What viscosity oil are you using? 22 psi at 3,600 RPM is low...
Re: oil pressure -- next round
Historical mailing list - Thomas Pfrommer
Tue, 29 May 2007 23:34:38 -0700
...was > found. > oil pressure is about clearances and oil temps and viscosity > measure measure measure > > Bob Donalds > Boston Engine > 508 358 6264 > > > > > > > > > > ----- Original Message...
Re: Oil pressure light and buzzer
Historical mailing list - Stuart MacMillan
Thu, 31 Aug 2017 14:58:08 -0700
...Can't find any > > loose wires? What if it was cheap oil that lost viscosity too soon? > > Maybe an oil change? > > > > > > Get a basic...
Re: Valve seat drop on 81 vanagon
Historical mailing list - Matthew Bulley
Sun, 23 Jul 2000 21:29:36 -0400
...in very slim circumstances) overheating to the point of extremely low viscosity. An oil temperature gauge will not keep you from dropping another valve...
Re: Preemptive water pump replacement? Miscellaneous Chatter
Historical mailing list - Scott Daniel - Turbovans
Fri, 24 Feb 2012 14:06:44 -0800
...They also use much lower viscosity oil, 5W30. > > Oh, this winter the temperature has dropped below 20 F on only a handful of occasions...
Re: '87 Westy - Oil Change, out of hibernation
Historical mailing list - Dennis Haynes
Fri, 15 Mar 2013 13:49:24 -0400
Again, at 100C the 20w-50 should have higher viscosity than straight 40. Outside temperature has minimal effect on oil temperature unless the radiator...
Re: Resolved: Re: Oil pressure light comes on after about 7 minutes.
Historical mailing list - Dennis Haynes
Sun, 12 Dec 2010 23:41:16 -0500
...Easy check! If your switch is white it is the wrong > >>> one. > >>> Oil viscosity-level. Well you say 20w-50, that is fine. Did...
Re: breather tower
Historical mailing list - Steven Shelton
Sun, 20 Jan 2019 14:28:33 -0500
...This is due to the oil viscosity dropping and over expansion > > of parts of the engine causing clearances to increase. VW added the > > oil...
Re: aerodynamics (Seriously...)
Historical mailing list - Maher, Steve (SD-MS)
Tue, 30 Apr 1996 08:54:00 -0700 (PDT)
...Drag of the transmission is surprisingly high IMHO-- caused by friction in the bearings, viscosity of the oil, etc. Almost one-third of your...
Re: Fixing Vanagon Air Conditioning....trying at least
Historical mailing list - Richard Koerner
Sat, 10 Aug 2019 01:11:04 +0000
...Use a multi or get the correct viscosity for the compressor being installed. Quantity is critical. Too much since the oil is a non...
Ideal oil filter by-pass pressure/oil filters
Historical mailing list - Edward Duntz
Mon, 8 Sep 2008 18:07:58 -0400
...oil through the filter media on start-up because the oil viscosity is too thick. But here's where I'm not sure of...
Re: Disappearing Coolant - Head Lean?
Historical mailing list - Vince S
Sun, 12 Sep 2004 10:32:05 -0700
...Since synthetic have very long and strong polymer chain it is OK to run significantly lower viscosity when the spec calls for heavier petrolium...
Re: Oil leak since rebuilt 2.1l installed
Historical mailing list - Scott Daniel - Turbovans
Wed, 30 Jun 2010 12:46:13 -0700
...doubt it's the oil itself, but consider that....brand, grade, and viscosity. but if the engine is new ... it sure shouldn't do...
Re: Engine Break-In Oil Weight
Historical mailing list - David Kao
Mon, 7 May 2007 21:07:07 -0700
...can seat and form a seal using the oil. > Regardless of viscosity, most off the shelf oil have so much in the way of...
Re: Synthetic oils in the vanagon
Historical mailing list - Mark Tuovinen
Wed, 2 Jun 2004 17:23:11 -0800
...If the > oil is > stiff with cold \, the engine is hard to turn, and strains the parts. > So, modern oils have a multi-viscosity...
Re: 91 Vanagon Manual - slow cranking....
Historical mailing list - Karl Wolz
Wed, 8 Dec 2010 00:00:29 -0700
...I am ruling out oil viscosity problems as its been |about 7 degrees C all week here in lotus land Vancouver BC. |> > |> > I can...
Re: Oil temp. ? and OP ?
Historical mailing list - Dave Mcneely
Tue, 5 Oct 2010 12:14:53 -0500
...front of the head, indicates that my oil is losing > > > > significant viscosity at the motor gets hot...I have about 85psi on > > start up...
Final Oil pressure result
Historical mailing list - Dennis Jowell
Fri, 5 Dec 2014 06:57:37 -0500
...at 6:42 PM, Dennis Haynes <d23haynes57@hotmail.com> >>>>> wrote: >>>>> >>>>> What viscosity oil are you using? 22 psi at 3,600 RPM is low...
Re: Oil Filter performance-Oil Testing
Historical mailing list - Dennis Haynes
Wed, 7 Nov 2007 00:33:25 -0500
...They also heat the oil to 100C and measure viscosity. They also measure the oil condition for signs of oxidation and nitration. Yes, oil...
Re: Oil overfill... or not? (long post)
Historical mailing list - Scott Daniel - Turbovans
Sun, 8 Aug 2010 21:42:44 -0700
...Synthetic oils can maintain viscosity at temperature extremes but there normal viscosity is slightly lower. They do have lower pumping losses though so they...
Re: Bus Boys Oil Cooler Kit
Historical mailing list - Dennis Haynes
Sat, 24 Aug 2013 21:54:25 -0400
...This allows use of lighter viscosity oils in cold weather as the oil temperature is now somewhat effected by temperature. Regardless of how much...
Re: Windage Trays and Lubrication Issues (Air and Water Cooled)
Historical mailing list - Stan Wilder
Wed, 27 Mar 2002 14:05:36 -0600
...But as early as 1500 rpm (depends > on the > >viscosity and film shear strength - which are in turn functions of > >temperature and parent oil...
Pure Happy Friday. Read carefully. Slim VW content.
Historical mailing list - GMBulley
Fri, 22 May 1998 15:31:28 EDT
...Because I know the importance of proper viscosity, I asked the tattooed, roughneck mechanic to use "the best oil you've got!" With the...
Re: Comments on the Oil Cooler Upgrade Issue
Historical mailing list - Frank Grunthaner
Mon, 21 Nov 2005 02:41:37 EST
...the thermal transfer efficiency of the oil at any surface in the liquid phase is a complex function of thermal transfer coefficient, viscosity, wetting...
Re: Oil Pump Replacement.
Historical mailing list - Chris Szpejankowski
Tue, 10 Nov 2015 14:11:26 -0500
...When the engine gets >>> hot not only does the oil pressure go down due the lower viscosity but >>> the case expands and the main...
Re: Oil Pump Replacement.
Historical mailing list - Dennis Haynes
Sat, 7 Nov 2015 20:15:12 -0500
...When the engine gets >> hot not only does the oil pressure go down due the lower viscosity >> but the case expands and the main...
Re: '87 Westy - Oil Change, out of hibernation
Historical mailing list - Dave Mcneely
Fri, 15 Mar 2013 13:57:20 -0500
---- Dennis Haynes <d23haynes57@hotmail.com> wrote: > Again, at 100C the 20w-50 should have higher viscosity than straight 40. Outside temperature has minimal effect...
FW: ATF/MMO
Historical mailing list - Matthew Bulley
Wed, 26 Jul 2000 16:21:13 -0400
...The ATF/MMO method is prolly a bit less caustic, since the viscosity of both ATF and MMO are greater than the kerosene-like...
Re: Best Practices for Engine Rebuild Break In Process
Historical mailing list - Dennis Haynes
Wed, 6 May 2009 23:25:33 -0400
...High viscosity oils in high speed engines use up considerable power and create additional heat due to those pumping losses. Unfortunately the Waterboxer has...
Re: New diesel from VW
Historical mailing list - Jim Felder
Tue, 18 Nov 2014 15:58:00 -0600
...That's one of the reasons > for the lower viscosity synthetic oil. > > >> > > >> That being said, unless it's one of the newer diesel trucks...
Re: 1.9 Vanagon oil lite shananagons (cont.)
Historical mailing list - David Gunning
Thu, 18 May 2006 22:50:31 -0400
...20w-50 will have a much > higher viscosity at 212f. > > If there is a chance that the heads did not seal properly, then the...
Re: Synthetic oils in the vanagon
Historical mailing list - Bike Florida
Wed, 2 Jun 2004 21:49:25 -0400
...If the > oil is > stiff with cold \, the engine is hard to turn, and strains the parts. > So, modern oils have a multi-viscosity...