GPS is very helpful for this. My SHO is dead on, at least within the needle's
width. The BMW is optomistic by 3 - 5 MPH. The odometer on the BMWis dead on,
so they did the speedo error on purpose...
And George, we're only giving you a hard time because, well, you're you! And
we enjoy it, and expect the back from you later...
Kerby
van Oss <vanOss@centurytel.net> wrote: 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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