Re: [AMC-list] engine rpm versus mph

["Armand Eshleman" <aje1@xxxxxxxxxxxxxxx>]

----- Original Message ----- 
From: "Sandwich Maker" <adh@xxxxxxxxxxxxxxxxx>
To: <amc-list@xxxxxxxxxxxxxxxxx>
Sent: Tuesday, April 12, 2011 8:03 AM
Subject: Re: [AMC-list] engine rpm versus mph


> "
> " I'm using a MSD Pro Billet ready to run distributor that needs no 
> translator
> " box for the tach.
>
> possible it's not really suitable for -this- tach?

I guess that is possible, however it does work, just not as accurate as I 
think it should be
> " Makes me think the electrics for the tach are a bit unstable or the 
> system
> " ground is intermittently or always a bit resistive.
> "
> " Got any ideas?
>
> first thought - after all this time, the tach needs recalibration.
> components age and drift, contacts get dirty...  if it has
> electrolytic capacitors, they don't age at all gracefully and probably
> need replacing.

recalibration or rebuild seems to be the consensus here, agreed.
> ________________________________________________________________________
> Andrew Hay                                  the genius nature
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