[Healeys] Calibrating Speedo for 3.55:1 Rear Axle

[Roger Grace]

I am very happy with my electronic replica built by Speedy Cables in Wales.
Face is near identical to original BJ8 and no one has ever noticed. You do
however need to fabricate a bracket for a sensor or use a pulse transducer
attached to the cable. -VE ground only.
Of course it is dead accurate !
rg

On Tue, May 24, 2022 at 8:20 AM Harold Manifold via Healeys <
healeys at autox.team.net> wrote:

> Thanks for a number of good replies. It seems this is more complicated
> than I first thought. The car has a USB connection and will use an iPhone
> Speedometer App and see how that works.
>
>
>
> Harold
>
>
>
> *From: *Jim Ryan <ryan at jimryan.com>
> *Sent: *Tuesday, May 24, 2022 6:28 AM
> *To: *David Nock BCS <healeydoc at sbcglobal.net>
> *Cc: *Harold Manifold <manifold at telus.net>; Ken Fleming via Healeys
> <healeys at autox.team.net>
> *Subject: *Re: [Healeys] Calibrating Speedo for 3.55:1 Rear Axle
>
>
>
> What about a GPS speedo if you aren't concerned about original?
>
>
>
> On Mon, May 23, 2022, 12:26 PM David Nock BCS via Healeys <
> healeys at autox.team.net> wrote:
>
> There are 2 choices. Either have the speedo re calibrated internally or
> install an in line ratio box.
>
>
>
>
>
> David Nock
> healeydoc at sbcglobal.net
> 209 948 8767
> www.britishcarspecialists.com
>
> Help us have our Founder Norman Nock inducteed into the
> British Sportscar Hall of Fame, You can vote for your favorites
> by visiting the site at.
> www.britishsportscarhalloffame.org
>
>
>
> *From:* Harold Manifold via Healeys
>
> *Sent:* Monday, May 23, 2022 8:45 AM
>
> *To:* Ken Fleming via Healeys
>
> *Subject:* [Healeys] Calibrating Speedo for 3.55:1 Rear Axle
>
>
>
> Hello,
>
>
>
> I have changed the rear axle ratio on my BT7 from 3.91:1 to 3.55:1. Is
> there an easy way to correct the speedo for the 3.55:1 rear axle?
>
>
>
> Harold
>
>
>
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