Re: [TR] Adding a VSS pulse generator inline with speedometer cable

[Brad Kahler <bkahler1@gmail.com>]

Geo,

This one doesn't allow connecting to the ignition coil as a speed source
either.  It seems that all of them on the market now require a VSS signal,
pulse generator in the speedo cable or else magnets on the drive shaft.

Also the one you've listed is a vacuum unit and I prefer the electric servo
type.

I installed an SCS/Frigette cruise control with electric servo unit on my
Spitfire back in 1998 and it worked great.  Bud Rolofson then installed one
on his TR6 and it's been working great all these years.  Now that I want to
install one in my TR4 they don't make the style that will sense speed from
the ignition coil.

The two simplest options are a VSS in the speedometer cable or the magnets
on the drive shaft.  I haven't given up on the speedometer cable option
just yet, still a few more places to check with.  Barring that I'll
probably end up with the magnets on the drive shaft.

Thanks,

Brad




On Wed, Aug 15, 2012 at 9:50 AM, Geo Hahn <ahwahneetr@gmail.com> wrote:

> On Tue, Aug 14, 2012 at 7:18 PM, Brad Kahler <bkahler1@gmail.com> wrote:
>
>> ...I've been looking at
>> other brands but so far the only ones I've found all require some sort of
>> VSS and don't allow connecting to the coil.
>>
>
>
> I know some who are using this unit (on VWs):
>
> http://www.murphskits.com/catalog/product_info.php?products_id=422
>
> Basically a clone of the old (low-tech) Audiovox CC which I have used on
> my VW for 20+ years and 2 other cars before that (same unit moved from
> car-to-car).
>
> Never put it on a TR but see no reason why it wouldn't suit.
>  Geo

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