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Old 09-14-2015, 12:51 PM   #1
CA Victoria
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Default Flsthead tachometer suggestions

I just returned a SW Wings tach that I could not get to register correctly at idle.
I've read a couple of blogs from guys having problems with today's tachs with similar problems.

I'm hoping to pick your brain as to a tach that has worked well on your flathead.
While function is a priority, second would be to keep the old school look.
I need a column mount and I have converted to 12 neg ground.

The old Suns use to be flawless, maybe I need to find a good used one.....
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Old 09-14-2015, 01:45 PM   #2
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Default Re: Flsthead tachometer suggestions

Although mine is 6 volt, my Westach has been great. Here is their website: http://www.westach.com/
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Old 09-14-2015, 02:02 PM   #3
HELENT
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Default Re: Flsthead tachometer suggestions

i have the old moon eye 12 volts works great old school looks
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Old 09-14-2015, 03:10 PM   #4
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Default Re: Flsthead tachometer suggestions

I found a nice 500k Sun "Football" tach on eBay, and had it converted to solid state by Williamson's Instruments. Vintage look and works great.
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Old 09-14-2015, 04:38 PM   #5
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Default Re: Flsthead tachometer suggestions

I'm using an old Stewart Warner out of a 62 Studebaker Hawk.
I had to buy the control module for it from studebaker intl, but it works good and definitely looks as old as the rest of my gauges.
Sorry though, it fits in the dash. But it is an option.
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Old 09-14-2015, 07:50 PM   #6
Tony, NY
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Default Re: Flsthead tachometer suggestions

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My new SW tach and electronic speedo would both bounce wildly at idle. When I switched from dual points to Pertronics and to GPS speedo the problem went away. Can't say which change did it.
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Old 09-15-2015, 12:20 PM   #7
rick r
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Default Re: Flsthead tachometer suggestions

You might try Classic Instruments. 1 800 668 9216 They can make custom gages. Get the look you want.
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Old 09-15-2015, 12:40 PM   #8
petes 50 merc
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Default Re: Flsthead tachometer suggestions

i put a sun football tach on my merc with a transmitter under the hood with batterys in it. works perfect its 6 volt. found it on ebay a few years ago.they were nos. i have the same set up on my 67 ford ranchero.
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Old 09-15-2015, 03:45 PM   #9
Marvin/TN
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Default Re: Flsthead tachometer suggestions

The old Suns use to be flawless, maybe I need to find a good used one..


I think I have one down in my basement. It belonged to one of my brothers. It takes a battery that he said was no longer available.
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Old 09-15-2015, 04:22 PM   #10
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Default Re: Flsthead tachometer suggestions

Battery isnt the problem...that the batteries was left in them and corroded to pieces is.
Its original equiped with a 1.3v mercury battery.
Sticking in a regular 1.5v AA cell makes the reading way off.
There are rechargeables that is about right or go with a voltage regulated source.
Best is a solidstate conversion.
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Old 09-15-2015, 05:04 PM   #11
petes 50 merc
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Default Re: Flsthead tachometer suggestions

I found some after market batt. Made for the trasmitter on ebay a few years ago on ebay they were $25.00 a pair.and they are still working.
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Old 09-16-2015, 07:58 PM   #12
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Default Re: Flsthead tachometer suggestions

Yes he said it was a mercury battery and I think the old batteries were removed, I might dig it out and take a look at it.
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Old 09-18-2015, 08:55 PM   #13
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Default Re: Flsthead tachometer suggestions

Quote:
Originally Posted by HELENT View Post
i have the old moon eye 12 volts works great old school looks
Yep , that's what I have too. Works great & looks even better !
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