[Shotimes] Speedo Error... was: My MPG Test is Working!!

[Ron Porter]

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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