This might be recent. Lets look into what the NTSB had planned in the
eighties. Thats what I am getting at.

Chris DeLong
Fine Tuning
206.522.5503
www.finetuningperformance.com
Seattle, WA USA

>From: Vince S <gipsyflies@COMCAST.NET>
>Reply-To: Vince S <gipsyflies@COMCAST.NET>
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: Vanagon not as fast as you think
>Date: Mon, 6 Sep 2004 21:07:53 -0700
>
>I remember coming across somewhere the auto manufacturers are required
>to hold accuracy of +0/-5%. Meaning you cannot show slower speed but can
>be faster up to 5%.
>
>
>
>- Vince
>
>http://gipsyflies.home.comcast.net
>1989 Vanagon GL Camper
>1993 Mazda Miata (for sale)
>1996 Land Rover Discovery
>2005 Mini Cooper S
>
>
>
>
>-----Original Message-----
>From: Chris DeLong [mailto:green536@hotmail.com]
>Sent: Monday, September 06, 2004 8:59 PM
>To: gipsyflies@COMCAST.NET; vanagon@GERRY.VANAGON.COM
>Subject: Re: Vanagon not as fast as you think
>
>
>checked mine with a GPS and its saying on the gauge that I am going 57
>but I
>am actually going 63. I also have 29" tires.
>
>Anyone have the link from the NTSA about precalibrating speedometers to
>read
>higher than reality to convince drivers to not drive so fast? I read it
>somewhere and dint save the link.
>
>
>
>Chris DeLong
>Fine Tuning
>206.522.5503
>www.finetuningperformance.com
>Seattle, WA USA
>
>
>
>
>
> >From: Vince S <gipsyflies@COMCAST.NET>
> >Reply-To: Vince S <gipsyflies@COMCAST.NET>
> >To: vanagon@GERRY.VANAGON.COM
> >Subject: Re: Vanagon not as fast as you think
> >Date: Mon, 6 Sep 2004 19:08:47 -0700
> >
> >I checked my 89 Westy with stock alloy with a GPS and at 60 MPH it is
> >only about 0.6 MPH off. 1%. This is better than most car I ever owned.
> >
> >
> >
> >- Vince
> >
> >http://gipsyflies.home.comcast.net
> >1989 Vanagon GL Camper
> >1993 Mazda Miata (for sale)
> >1996 Land Rover Discovery
> >2005 Mini Cooper S
> >
> >
> >
> >
> >-----Original Message-----
> >From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
>
> >Of David Marshall
> >Sent: Monday, September 06, 2004 5:59 PM
> >To: vanagon@GERRY.VANAGON.COM
> >Subject: Re: Vanagon not as fast as you think
> >
> >
> >Better yet, take a GPS on your next trip.  When my TriStar says 94km/h
> >on the speedometer I am really doing 100km/h - to get the true
> >odometer, multiply distance travelled by 1.11
> >
> >David Marshall
> >
> >Fast Forward Automotive Inc.
> >4356 Quesnel-Hixon Road
> >Quesnel BC Canada  V2J 6Z3
> >
> >http://www.fastforward.ca    mailto:sales@fastforward.ca
> >Phone: (250) 992 7775        FAX: (250) 992 1160
> >
> >- Vanagon Accessories and Engine Conversions
> >- Vanagon, Transporter and Iltis Sales and Importation
> >- European Lighting for most Volkswagen models
> >
> >
> >Due to the large volume of email  we  receive,  PLEASE  include
> >previous emails when responding.  This will allow us to read the
> >complete dialogue in one message and will result in quicker and more
> >accurate  responses.
> >
> >
> >-----Original Message-----
> >From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com]On Behalf
> >Of Wade Yorke
> >Sent: September 6, 2004 5:12 PM
> >To: vanagon@GERRY.VANAGON.COM
> >Subject: Vanagon not as fast as you think
> >
> >
> >You may not actually be going as fast as your speedometer indicates
> >since the Vanagon speedometer is at least 15 miles per hour optimistic
> >at the higher speeds.  In the Bentley it states that at 1000 rpm in
> >high gear you are going 18 miles per hour (29 kilometers per hour) with
>
> >the 4-speed transmission.  I don't think the 5 speed has a higher ratio
>
> >in 5th, just different spacing of the gears. Divide your indicated rpm
> >by 1000 and then multiply that by 18 and you will get your true miles
> >per hour.  For example: your engine rpm is 4,500.  4500 divided by 1000
>
> >= 4.5.  Multiply 4.5x18= 81 miles per hour.  My 1.9TD conversion (with
> >gas
> >transmission) shows 80 miles per hour at about 3,700 rpm.  It sounds
>and
> >feels like 80 but is really 67 miles per hour.
> >
> >Wade Yorke
> >Nova Scotia
> >'84 Westy 1.9TD
>
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