> Reply to: RE>>speedo is out...mph to r
>>On Tue, 27 Sep 1994, Greg Meboe wrote:
>>> On Tue, 27 Sep 1994, Chris Kantarjiev wrote:
>>>
>>> > In a non-O/D GT6, you can double the number on the tach and get
>>> > approximate mph.
>>> >
>>> > This is true of every Triumph that I've driven (as long as it has the
>>> > original ratio and tire diameter). That is - in top (overdrive top for
>>> > cars that came with overdrive) the car takes about 1000 rpm/20mph, and
>>> > the gauges are usually arranged so that the needles are parallel.
>>>
>>> Hmmm...
>>> This must be another one of those constants of nature. I'm sure
>>> of it.
>>> Greg Meboe
>
>This is pretty close for my Midget as well (although some would argue
>that's because
>late model Midgets are partly Triumph). O/D wasn't even an option on these
>things - what's the problem? I agree >4000 rpm at
>70 mph is a little buzzy but at least the revs are up if you need to pass
>someone on the freeway :)
Hmm? On my '66 Midget, my calculations had me going 15 + the tach's value
when in fourth gear. So, travelling at 5000 rpm = 65 mph, give or take a
couple mph.
Perhaps my tach is out of whack.
Take care
Sandro
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