Istr a rpm at 10mph. My car has done well by doubling the rpm in 4th gear.
If 4.10 you're on your own....
Gotta get the speedometer fixed some day...
On Apr 11, 2013 6:26 PM, "Geo Hahn" <ahwahneetr@gmail.com> wrote:
> Bill
>
> Try here & page down to last item...
>
> Rhodes TR Site <http://home.comcast.net/~rhodes/1967_TR4A_Tech.html>
>
> Procedure is the same OD or non-OD as the speedo is reading the output
> shaft and doesn't care what is going on prior to that.
>
> As I recall your Practical Hints manual has a chart of mph per 1000 RPM in
> each gear, standard & OD.
>
> Geo
>
>
>
> On Thu, Apr 11, 2013 at 8:05 AM, William Brewer <wsb1960tr3a@att.net>
> wrote:
>
> > Is there an online pdf for the calibration for a TR3A speedometer
> with
> > overdrive? I would like to do a check of rpm's verses speed indication.
> >
> > TIA,
> >
> > Bill in Tehachapi
> >
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