[TR] HVDA 5-speed in TR6--speedo gear--no luck

Hoyt Duff hoytduff at gmail.com
Thu Feb 16 21:59:45 MST 2017


I don't know if this has been mentioned:

www.speedhut.com

A product called "Speedbox", a GPS driven device that can be
calibrated for your analog speedometer.

On 2/16/17, Tim Gaines <mtgaines at presby.edu> wrote:
> I posted a list of options for dealing with a speedometer that needed
> recalibration after the HVDA Toyota replacement in TRs.  I was most
> interested in the 7th option--finding a speedo driven gear with fewer teeth
> (28 in my case) than the original (31) that would fit the W58 Toyota tranny.
>  I found one for a W59 that I thought would fit.  It arrived yesterday, but
> it was too short.  It is already back in the mail.
>
> I don't think that option is a viable one any longer.  I'll just stick to
> doing a mental adjustment for the time being.  After I get some reliable
> measures of the discrepancy with a GPS I will probably do the calculations
> necessary to order a ratio adapter to bring the speedometer back to accuracy
> (my option 5).
>
> Tim Gaines
> Clinton, SC
> 1974 TR6
> 1980 Spitfire
>
>
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-- 
Hoyt


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