[Healeys] Dealing with the Highway Patrol

Bob Spidell bspidell at comcast.net
Fri Nov 12 20:17:52 MST 2010


They're called 'ratio adapters.'  Lots of speedo shops sell them.


bs


On 11/12/2010 7:10 PM, Jonas Payne wrote:
> When I restored my 1st Morgan, (it was a +4, which should have had a TR engine, but instead had a 2.0L Ford), there was a device installed on the on the speedo cable between the trans and speedo with little watch like dials.  Apparently is was some sort of " transmission" that allowed one to slow or speed up the cable between the trans and speedo, therefore allowing incremental adjustment of the ratio, and allowing the proper adjustment of the speedo to the proper rear end/tire&  wheel size.
>
> I assumed it was a Ford part, I think it's sitting in a box somewhere.  Given the number of people I know with "hot rod" 4x4's I assumed it was standard equipment for guys when they wanted to fit oversize wheels and what not.
>
> Anybody ever seen such a device?
>
> Jonas Payne
>
>


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Bob Spidell           San Jose, CA            bspidell at comcast.net

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