[Miata] speedo/tach accuracy

[glpp2]

I recently purchased a ScanGauge II and found the revs on the tach are about 
150+ higher than the ECU reports.  My GPS tells me that the speedo reads 
about 4 mph faster than the car is traveling.  Like others, I just consider 
it all a "cushion" and make a mental correction when looking at the car's 
gauges.


----- Original Message ----- 
From: "Anthony Oliphant" <anthony_oliphant at hotmail.com>
To: <Miata at realbig.com>
Sent: Thursday, August 02, 2007 9:35 AM
Subject: [Miata] speedo/tach accuracy


>I have a '94 5 spd, m edition. They speedo seems to be running a little
> fast. What are the revs in top gear at 60mph, or 80mph??
>
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