Ok, I'll join in--mine seems to be exactly correct every time I come up on one
of those radar things that tell you how fast you're going. I have stock
slicers and stock size tires.
Frank Whittle
'95 ATX
-----Original Message-----
>Reply-To: <ronporter@ameritech.net>
>From: "Ron Porter" <ronporter@ameritech.net>
>To: "'van Oss'" <vanOss@centurytel.net>, <shotimes@autox.team.net>
>Subject: RE: [Shotimes] Speedo Error... was: My MPG Test is Working!!
>Date: Wed, 9 Aug 2006 13:22:22 -0400
>
>All three of my MTX SHOs would underread by 3%. It took me a few years, and
>a few 81-in-a-65 (when I thought I was doing 79) speeding tickets in my '89
>before I figured it out.
>
>Ron Porter
>
>
>-----Original Message-----
>From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
>On Behalf Of van Oss
>Sent: Wednesday, August 09, 2006 12:25 PM
>To: shotimes@autox.team.net
>Subject: [Shotimes] Speedo Error... was: My MPG Test is Working!!
>
>It sounds as though speedo inaccuracy is the helpful factor in your
>experiment, George. In a sense you've corrected an error in the car. That
>by itself would be a postive step.
>
>I've confirmed several times in my 92 SHO that the speedo UNDERstates actual
>
>speed by exactly 2 MPH. I've noticed the speedo on our Crown Vic OVERstates
>
>actual speed a lot. The last time my wife followed me on the Interstate,
>she in the Vic and I in the SHO, she really gave me the dickens, thinking
>we'd been doing 85 MPH in a 70. We'd been doing exactly 75 -- I'd confirmed
>
>that using the stopwatch function in the dash clock, 10 miles in 8:00
>minutes. My speedo had been showing 73 MPH.
>
>VO
>
>----- Original Message -----
>The speedo conveniently read about 4.5 miles fast from the factory....Lexus
>has the largest intentional speedometer error in its class, according to
>something I read in CU or CR a few years ago....
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