You know, in the Instrument Cluster section of the Bentley, it talks
about how the speedometer and the odometer may be off by a certain
percentage- I think the speedometer over-read is actually DOT-mandated.
-Simon

On Tuesday, October 8, 2002, at 09:14  PM, Dennis Haynes wrote:

> How are you determining actual speed? GPS or road signs? Your tires are
> the same diamter as the 215-70's Im using and my odometer still
> over-reads by almost 4%. The original tires rotated 830 RPMiles.
>
> Dennis
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of Todd Last
> Sent: Sunday, October 06, 2002 3:39 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Michelin XCA tires - highway RPMS
>
>
> Someone was asking what the hiway RPMs were with the Michelin XCA
> (205/75R14 LRD) tires that are a larger diameter than the MXTs. (I
> noted
> that my speedometer now reads 3 mph slower than actual speed - my
> speedo
> is labeled 805 on the bottom) According to the sidewall of the tire
> they
> are rated at 2270lbs max load at 65psi.
>
> America's Tire company SKU 35838  Price $109 ea.  Tires labeled "Made
> in
> France"
>
> Here are my ballpark observations of RPM at (corrected) speed. 1988
> Vanagon Westfalia 2wd. Tires at about 50 psi. I could get more accurate
> readings if anyone is dying for more presision. As they are, I'd say +-
> 1mph.
>
> 65mph = 3660
> 70mph = 3800
> 75mph = 4100
>
>
> Todd
> '88 Westy
>