Re: speedometer error

["Gregory S. Youngblood" <greg@domain.elided>]

I did today. I just brought home a 74 spider. My wife was following me. As
near as I can tell, about 56 mph on the speedometer is actually 60 mph.

I'll use a GPS and do a more accurate test later. :)

On Sat, 26 Jan 2002 ALfactor@domain.elided wrote:

> For lack of better company, I took my GPS for a ride in my '74 spider to
> check the speedometer.  I was surprised to find it indicating about 12% BELOW
> actual speed.
> Every other Alfa I've been associated with ('67 and '74 GTV's) all were
> optimistic by at least 10%. They all have/had stock tires and wheels.
>
> I'm curious as to what the range is, and thought it would make a good rainy
> day thread. Has anyone else checked their Speedo vs. an accurate car, GPS, or
> police radar gun (intentionally or otherwise)?
>
> Mitch Fisher
> Dublin,  CA
>
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