Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
VanagonEuroVan

Search messages and discussions

Clear search

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 2+: 60 results shown for Octane number.

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

  • Re: Octane smoctane
    Historical mailing list - Keith Hughes
    Sat, 26 May 2007 11:57:02 -0700
    ...Better qualified List member advice is requested here. > > There are quite a number of factors involved, but basically as you state, the higher octane...
  • Re: Ethanol free gas
    Historical mailing list - Dave Mcneely
    Mon, 9 Sep 2013 10:01:09 -0500
    ...A relatively small number of vehicles require higher octane fuels, so I would be losing less business that way than if I offered some...
  • Re: Gasoline Grade?
    Historical mailing list
    Fri, 14 Mar 1997 14:16:58 -0500 (EST)
    ...could have lowered it's available power - but not just the octane number. Now, in an engine that can adjust timing with the aid...
  • Re: Octane Rating for Waterboxers
    Historical mailing list
    Wed, 23 Jul 1997 20:16:52 -0400
    ...Almost all gas stations in CA have 87, 89, and 91 octane fuels available. These octane numbers use the (R+M)/2 method. Regards...
  • Re: 2.1 heads
    Historical mailing list - Rob
    Wed, 16 Sep 2009 10:49:02 -0700
    ...Any >ideas as to practical machining processes to REDUCE the compression >ratio? > >Ian Is it running premium gas? Octane is the anti-knock number...
  • Re: Cheap emergency gas can for INSIDE your van (Was: Mercedes gas can for spare tire)
    Historical mailing list - Chris Smith
    Wed, 27 Feb 2002 14:35:49 -0600
    ...a slower flame front equals a higher octane rating. The amount of "UMPFH" of a particular fuel is not tied to the octane number...
  • Re: Which gas??
    Historical mailing list - David Beierl
    Fri, 3 Mar 2000 16:37:48 -0500
    ...For a non-knock-sensing engine like ours, there is only one consideration strictly concerned with octane number: If the engine does not knock...
  • Re: Octane smoctane
    Historical mailing list - chrisrvanagon
    Sat, 26 May 2007 14:23:40 -0700
    ...Better qualified List member advice is requested here. > > There are quite a number of factors involved, but basically as you state, the higher octane...
  • Re: Octane ratings
    Historical mailing list
    Wed, 26 Apr 1995 19:29:23 +0600
    ...octane >fuel which does not cause trouble (pre-ignition mainly) in >a given engine. And, as another correspondent already pointed >out, this magic number...
  • Re: Ethanol free gas
    Historical mailing list - ralph meyermann
    Mon, 9 Sep 2013 10:12:02 -0500
    ...A relatively small number of > vehicles require higher octane fuels, so I would be losing less business > that way than if I offered some...
  • Gasoline and Octane numbers
    Historical mailing list
    Tue, 11 Jul 1995 20:12:48 -0700
    Rachel writes for Ramona asking about gasoline octane. So I've been running a vaguely scientific experiment for the last 4000 miles in my...
  • Re: Octane ratings
    Historical mailing list - Christopher Bose
    Wed, 26 Apr 95 16:07:43 PDT
    ...octane fuel which does not cause trouble (pre-ignition mainly) in a given engine. And, as another correspondent already pointed out, this magic number...
  • Re: Gas in the Vanagon
    Historical mailing list - David Beierl
    Thu, 15 Jul 1999 17:02:46 -0400
    ...Do not use any fuel with octane less than 87 (US grading) or 91 (European/Research Octane Number). Doesn't mention methanol but I...
  • Re: petrol consumption
    Historical mailing list - Mark Ingalls
    Tue, 5 Sep 2000 13:58:07 CDT
    ...octane ratings, the most common in the US is something like RON/MON. The Volks I believe used to just state a RON number...
  • Re: Cheap emergency gas can for INSIDE your van (Was: Mercedes gas can for spare tire)
    Historical mailing list - Ben McCafferty
    Wed, 27 Feb 2002 14:10:19 -0800
    ...a slower flame front equals a higher > octane rating. > > The amount of "UMPFH" of a particular fuel is not tied to the octane number...
  • Advancing timing for more power, was: Boston Bob's web site
    Historical mailing list - G. Matthew Bulley
    Thu, 2 May 2002 16:18:30 -0400
    ...The two systems usually give somewhat > different > numbers. Most car makers (including VW) specified > research octane, > often > listed as R.O.N. (Research Octane...
  • Re: Fw: Spillage when filling the gas
    Historical mailing list - David Beierl
    Wed, 13 Jun 2001 22:38:27 -0400
    ...But if it's not pinging (and doesn't have a knock sensor retarding the spark), any extra octane number is wasted. Fuel-injected...
  • Re: Mid-grade fuel, was: RE octane rating
    Historical mailing list - John Rodgers
    Tue, 13 Jul 1999 22:29:05 -0500
    ...number of gallons that would be pulled off before testing to ensure no contamination between grades. Pumping would continue, then the next octane would...
  • Re: Gas question, seriously folks
    Historical mailing list - Don Hanson
    Sun, 15 Dec 2013 07:48:13 -0800
    The wbx motors are low octane happy, true, but I'd guess there are a significant number of us who have ditched the stock...
  • RE: regular vs. super
    Historical mailing list
    Mon, 19 Sep 1994 10:48:43 PDT
    ...octane. But it then goes on to explain that 91 RON is equivalent to 87 AKI, and that it is the AKI number that...
  • Re: super vs. regular?
    Historical mailing list
    Mon, 19 Sep 1994 07:52:39 -0400
    ...91 Octane in the manual for > my '91. > > I use Chevron Super. Ruby runs better and cleaner. > > > run the super in your rig. > > > 10...
  • Re: California Gas Prices... Sounding off.
    Historical mailing list - Max/Joyce Wellhouse
    Thu, 26 Aug 1999 13:07:17 -0700
    ...whole >number (pumps weren't designed to set prices above $1.00, so they used a >smaller unit). Right now Premium (93 octane) gasoline...
  • Re: Degrading Comments
    Historical mailing list - Dennis Haynes
    Fri, 6 Jun 2003 21:18:05 -0400
    ...This why lower octane fuels such as 83 or 85 are used in high altitude areas. Dennis -----Original Message----- From: Vanagon Mailing List [mailto...
  • Re: gasoline was STP Gas Treatment
    Historical mailing list - Dave Mcneely
    Fri, 11 Mar 2011 09:48:50 -0600
    ...in WA. > > Thanks, First, the 91 octane recommended in the book is Research Octane Rating. The number posted on the pump in the U...
  • Octane smoctane
    Historical mailing list - jdd
    Sat, 26 May 2007 00:12:21 -0400
    ...87 octane gas ... so ... I traveled 743 kms on 86.556 liters of 91 oct ... and ... 770 kms on 92.827 liters of 87...
  • Re: Fuel Octane, Additives
    Historical mailing list - Aerowolf
    Mon, 12 Jul 2004 18:32:07 -0500
    ...octane rating ranging from 91 to 95 RON (Research Octane Number) or 87 to 91 AKI. (bold)Do not use any fuel with octane...
  • Re: Octane smoctane
    Historical mailing list - Jake de Villiers
    Fri, 25 May 2007 21:30:08 -0700
    To make any sense of these numbers you now have to factor in the price difference. Are you getting one extra mile for 80...
  • Re: e15
    Historical mailing list - Rob
    Fri, 28 Dec 2012 17:25:21 -0700
    Mythbusters is entertainment, knocking & pinging have to do with the octane rating of the gas used & is measured number. Minnesota was the first state...
  • Re: Diesel Subaru Conversions
    Historical mailing list - Dennis Haynes
    Fri, 10 Mar 2006 21:44:44 -0500
    Your Vanagon does not need 91 pump octane fuels. That sticker is for another, older rating system. 87 ROZ/RON is fine unless something...
  • Re: Octane smoctane
    Historical mailing list - David Etter
    Sat, 26 May 2007 08:52:27 -0600
    Higher Octane gas has flame front retarders in it, so it burns slower. No flash-over or at least less so than regular gas...
  • Re: Diesel Subaru Conversions
    Historical mailing list - Christopher Gronski
    Fri, 10 Mar 2006 14:41:52 -0500
    ...Diesel currently costs about %10 more than > 87 Octane and is likely to stay that way. For $2.50/gallon 87 octane let's...
  • Re: Diesel Subaru Conversions
    Historical mailing list - Pensioner
    Fri, 10 Mar 2006 07:32:48 -0800
    ...Diesel currently costs about %10 more than 87 Octane and is likely to stay that way. For $2.50/gallon 87 octane let's...
  • Re: Diesel Subaru Conversions
    Historical mailing list - Anthony Egeln
    Sat, 11 Mar 2006 16:04:57 -0800
    ...Diesel currently costs about %10 more than > 87 Octane and is likely to stay that way. For $2.50/gallon 87 octane let's...
  • Re: I-4 conversion timing problem
    Historical mailing list - David Marshall
    Sun, 6 May 2001 23:33:36 -0700
    ...It is UP TO these numbers - it will not go past these numbers. This is why you can advance the timing at idle with...
  • Re: Octane smoctane
    Historical mailing list - Anthony Egeln
    Sat, 26 May 2007 03:58:17 -0700
    ...87 octane gas ... so ... I traveled 743 kms on 86.556 liters of 91 oct ... and ... 770 kms on 92.827 liters of 87...
  • actual numerical readings off Compression test?
    Historical mailing list - Don Hanson
    Sat, 18 Sep 2010 16:50:01 -0700
    ...the spark back always, I will probably need more octane. If I know the number I can decide without really guessing too much. Don...
  • regular vs. premium: a new war errupts!! :)
    Historical mailing list - J. Walker
    Sat, 17 Sep 94 21:02:16 CDT
    ...i get from these numbers is that (1) my bus and driving style don't seem to care what octane the fuel is; the...
  • Re: OT: Fuel Grades, detonation and motor toast
    Historical mailing list - Dennis Haynes
    Tue, 12 Sep 2006 18:13:39 +0000
    ...They number right behind tranny shops and most of them will not touch VW's. Most Ford van engines are de-tuned and run...
  • '78 Owner's Manual ready to go!
    Historical mailing list - Sean Bartnik
    Thu, 20 Mar 97 20:47:57 EST
    ...Be aware that the US uses the CLC rating method for octane numbers. OK, the address for viewing the individual pages is: http://www...
  • Re: Another Burning Van!
    Historical mailing list - John Rodgers
    Thu, 4 Jun 2009 13:47:26 -0500
    ...This may now have changed - I've been away from it for a number of years- but 80/87 octane fuel was/is red...
  • Re: Gas - Cheap vs Expensive
    Historical mailing list - Dennis Haynes
    Fri, 15 May 2015 15:49:59 -0400
    ...These deposits when thick enough can cause a number of operational problems especially during cold operation as the fuel can be absorbed instead of...
  • Re: baja gas, octane, and timing
    Historical mailing list - Davidson
    Sat, 4 Mar 2000 12:01:39 -0800
    ...This is due to the vast number go gringos who travel the main roads. However, whether they are sold out of unleaded or not...
  • Re: Diesel Subaru Conversions
    Historical mailing list - Mark Tuovinen
    Fri, 10 Mar 2006 11:30:06 -0900
    ...Diesel currently costs about > %10 more than > > 87 Octane and is likely to stay that way. For $2.50/gallon 87 > octane let's...
  • Re: NVC: Gas Prices plus vanagons in Greece
    Historical mailing list - don spence
    Tue, 5 Jun 2007 09:25:45 -0600
    I just got back from Greece were 95 octane (regular?) was selling for between 1.04 and 1.15 Euro per litre. At the...
  • mileage
    Historical mailing list - Art McGinn
    Sat, 06 Jul 1996 22:26:39 -0700
    ...modest numbers. I have not had it on the freeway enough to get any highway figures. I've been using 87 octane gas. How...
  • Re: Diesel Subaru Conversions
    Historical mailing list - John Rodgers
    Fri, 10 Mar 2006 11:38:42 -0600
    ...Diesel currently costs about %10 more than >87 Octane and is likely to stay that way. For $2.50/gallon 87 octane let's...
  • Re: 85 octane in Colorado and 'windage trays'
    Historical mailing list - Stan Wilder
    Mon, 15 Jul 2002 20:00:09 -0500
    ...came only in Porsche so they are available in very limited numbers. They aren't complicated looking and the installation is very simple (other...
  • Re: Day 4 (west to east)
    Historical mailing list - Jeffrey R
    Thu, 11 Jul 2002 03:43:35 EDT
    ...in the air a lower octane is necessary--or there is sme such factor that changes the numbers. Also the gasoline is mixed differently...
  • Re: Gas question, seriously folks
    Historical mailing list - Marc Perdue
    Sun, 15 Dec 2013 12:16:04 -0500
    ...Which Should I Use in My VW Van? > Gasoline is rated by its octane level. The higher the octane, the more > stable the fuel...
  • Re: 3.3 verses 4.3 verses 1.9???
    Historical mailing list - Al Knoll
    Sat, 31 Jul 2004 18:34:06 -0700
    ...Now 87 Octane is ~0.75/liter $CDN. Back from the wilds of downtown cowtown now (Calgary, AB)
  • Re: While we are onthe topic....
    Historical mailing list - John Rodgers
    Fri, 25 Feb 2000 14:44:56 -0600
    ...there were a goodly number of barrels of perfectly usable slop fuel, but it wasn't the specific octane that was sold at the...
  • Re: Diesel Subaru Conversions
    Historical mailing list - River Clan
    Fri, 10 Mar 2006 09:31:59 -0800
    ...Diesel currently costs about %10 > more than > 87 Octane and is likely to stay that way. For $2.50/gallon 87 > octane let's...
  • Re: baja gas, octane, and timing
    Historical mailing list - Mark Drillock
    Mon, 6 Mar 2000 12:42:02 -0800
    ...The old low octane leaded NOVA is gone. There are 2 grades of unleaded but the premium stuff is available mostly near the border...
  • Vanagon Acceleration Times
    Historical mailing list - Frank Grunthaner
    Mon, 7 Oct 2002 00:50:02 EDT
    ...The numbers include 300 pounds of passenger and driver, 26.3 gallons of fuel (just filled up), portapotty and regular camping hardware ready to...
  • 2.5L 120HP waterboxer.....that runs on 91 octane......90mm stroke by 94mm bore....and pases smog...hmmm?
    Historical mailing list - Smola, Tony
    Fri, 15 Mar 2002 22:58:59 -0600
    ...jumped from 7.3:1 to 10:1?....what sort of octane do the euros have for premium? 98? Here is the BIG question...
  • Re: Vanagon Acceleration Times
    Historical mailing list - Mike Miller
    Sun, 6 Oct 2002 22:22:31 -0700
    ...The numbers include 300 pounds of passenger and > driver, 26.3 gallons of fuel (just filled up), portapotty and regular camping > hardware ready to...
  • Re: 85 octane in Colorado and 'windage trays'
    Historical mailing list - Matthew Pollard
    Mon, 15 Jul 2002 18:01:41 -0700
    ...came only in > Porsche so they are available in very limited numbers. > They aren't complicated looking and the installation is very simple > (other...
  • Re: Gas - Cheap vs Expensive
    Historical mailing list - Rolf Lockwood
    Fri, 15 May 2015 17:39:50 -0400
    ...These deposits when thick enough can cause a number of operational problems especially during cold operation as the fuel can be absorbed instead of...
  • Re: mileage
    Historical mailing list - Richard Gelbart
    Sun, 07 Jul 1996 05:18:41 -0700
    ...modest numbers. I have not had it > on the freeway enough to get any highway figures. I've been using 87 > octane gas. How...
  • Re: Diesel Subaru Conversions
    Historical mailing list - Dennis Haynes
    Fri, 10 Mar 2006 21:49:18 -0500
    ...Diesel currently costs about %10 more than >87 Octane and is likely to stay that way. For $2.50/gallon 87 octane let's...