[Spridgets] RVI vs RVC tachometer

[Bob Kitterer]

Use a separate tachometer that measures the rpm directly.  Do an on line search for a Portable Tachometer, there is a lot of choices.

Bob  Kitterer

1960 Austin Healey Sprite (Mk IV in disguise)
1966 Austin Healey Sprite Mk III (Trevor) - still in boxes
2013 Miata

Pay it Forward
Thanks Frank


> On Jul 28, 2016, at 6:51 AM, mdrowe via Spridgets <spridgets at autox.team.net> wrote:
> 
> The 123 distributor site specifically says that Smiths RVI tachometers will not work with electronic ignitions.  Other sites say they may or may not, for unspecified reasons.  My tachometer works (and may be RVC ???), but it seems to read very high. 
>  
> It is true that the engine revs up really fast, and I now have a 5-speed with different gear ratios than I am used to, so it could be my imagination.  Baring purchase of an RVC tach, how can I determine whether or not my old one is reading properly?
>  
> Michael Rowe
> The Holy Sprite
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