[Healeys] Healey 100-4/6 Tach
Bob Spidell
bspidell at comcast.net
Sat Nov 19 21:46:58 MST 2022
Tried that. Will try rerouting the sleeve.
I'm pretty familiar with the speedos, having a drawerful and actually
getting a couple to work halfway decent. A cracked odo or tripmeter
drive gear will give a fixed-interval bounce based on speed, and the
cable loading-up and unloading is also fairly rhythmic, but my tach just
goes crazy. It seems like the needle needs to be damped somehow.
On 11/19/2022 2:38 PM, Patrick & Caroline Quinn wrote:
> G'day
>
> When a mechanical tach or speedo needle bounces, it's generally due to the drive cable has become too flexible due to age.
>
> A new cable should fix it. You don't necessarily need a new outer, just the internal cable.
>
> Hoo Roo
>
> Patrick Quinn
> Blue Mountains, Australia
>
> -----Original Message-----
> From: Healeys <healeys-bounces at autox.team.net> On Behalf Of Bob Spidell
> Sent: Sunday, 20 November 2022 8:20 AM
> To: Healeys <healeys at autox.team.net>
> Subject: [Healeys] Healey 100-4/6 Tach
>
> Specific to cars with mechanical tachometers:
>
> The tach on my 100 bounces around off-idle (OK at idle). Any one been able to cure this problem? Anything inside to damp the bounce that can be adjusted?
>
> I'm not interested in sending to West Valley or other repair shop (at least not yet).
>
> TIA
>
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