<VV> Jumping Tach Needle

[Tom Hughes]

Replaced the points plate with a Clark's one (wire brush for grounding).
It's better but not great. Next check is plugs for cleanliness.

On Wed, Jun 3, 2015, 7:41 PM  <jvhroberts at aol.com> wrote:

>  I've also had this trouble due to a crack in the tach's PC board.
> Soldering across the crack fixed it.
>
>  John Roberts
>
>
>  -----Original Message-----
> From: MarK Durham via VirtualVairs <virtualvairs at corvair.org>
> To: Tom Hughes <corvairdad at gmail.com>
> Cc: VirtualVairs AA <virtualvairs at corvair.org>
> Sent: Wed, Jun 3, 2015 5:30 pm
> Subject: Re: <VV> Jumping Tach Needle
>
>  If the tach jumps and then comes back, it is losing its signal or the
> ground is
> poor. If you also notice a loss of power or a miss, I would
> suspect a ground
> issue in the distributor, or from the distributor to
> the engne block.
> Mark
> Durham
> Hauser idaho
> 62 Coupe, Red/Red
>
>
>
>