Re: Tach vs. Speedo

"Squat" <Squat@xxxxxxxxxxxxx> wrote:

>
>"Lanny Chambers" <lanny@xxxxxxxxxxxxxxxx> wrote in message
>news:lanny-8C8A21.09353029112005@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>> In article <SDXif.18871$ek6.16742@xxxxxxxxxxxxxxxxxxxxxxxxxx>,
>> "Squat" <Squat@xxxxxxxxxxxxx> wrote:
>>
>>> Sometime ago I owned a 99 Miata with a 5-speed manual. One funny thing
>>> about this car was that when you were in 5th gear, the tach and the
>>> speedo
>>> were almost perfectly parallel. I thought this was strange when I owned
>>> the
>>> car. Now, this car had aftermarket wheels so I am not sure if the tires
>>> were
>>> the same size as the factory original. (I bought the car used.)
>>> Has anybody else noticed this on their Miata?
>>
>> Sure, but it's just a coincidence that depends on gear ratios and gauge
>> calibration. 1994-97 Miatas have a slightly-taller final drive ratio,
>> and the speedometer reads a bit more clockwise than the tach.
>>
>> The tire size has nothing to do with it, since the speedometer is driven
>> by the transmission and reflects how fast the driveshaft is turning, not
>> the actual road speed.
>
>I hadn't thought about that. Guess the tire size is irrelevant.
>Has anyone seen this on the new 2006 model? I like the new model although I
>would prefer to have a Mazda Speed edition of the 2005. I always felt that
>my 99 needed a little bit more power.

As far as I know, the Mazdaspeeds are going for less than the 2006, so what
has been keeping you?

Leon

>Thanks,
>Squat
>
>> --
>> Lanny Chambers
>> '94C, St. Louis
>> http://www.hummingbirds.net/alignment.html
>
--
Leon van Dommelen :) Bozo, the White 96 Sebring Miata .)
rammm@xxxxxxxxxxxx http://www.dommelen.net/miata
EXIT THE INTERSTATES (Jamie Jensen)
.

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