Does anyone have a Rotunda Tach in their car? - Ford Muscle Forums : Ford Muscle Cars Tech Forum
 
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post #1 of 8 (permalink) Old 03-20-2008, 02:36 PM Thread Starter
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Does anyone have a Rotunda Tach in their car?

i have a rotunda tach that i want to put in my galaxie but i have no cup. Trying to find one but they are very hard to come by. If any of you guys have one and its mounted on the dash can you please send me a pic so i know what it looks like. Or if anyone has a shot of one from an old ad or other cars feel free to send it to me. I beleive it has a round base along with the chrome cup but ive never seen one. Thanks.

Also if any of you have a cup that would help way more lol

Last edited by 64GalaxieHTOP; 03-20-2008 at 02:38 PM.
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post #2 of 8 (permalink) Old 03-20-2008, 03:41 PM
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Re: Does anyone have a Rotunda Tach in their car?

Here's a pic of mine...

Does anyone have a Rotunda Tach in their car?-tach3.jpg

Tony P.
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post #3 of 8 (permalink) Old 03-20-2008, 04:06 PM Thread Starter
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Re: Does anyone have a Rotunda Tach in their car?

Thanks for the pic, where did you get the cup from? Mine is also an 8K. Is the base bracket homemade? Nice 63 with fm too. You graduate in 04 i take it?
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post #4 of 8 (permalink) Old 03-20-2008, 06:04 PM
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Re: Does anyone have a Rotunda Tach in their car?

Hell No, I graduated in 72, that's my son's tassle on the mirror. I got mine with the cup included and that's the factory mount, pretty crude really just a chrome L bracket that bolts to the back of the cup. Search epay for a Rotunda or Faria tach, the cups are the same as these were made for Ford by the Thomas Faria Co. here in Connecticut. Just a word of warning make sure you use the proper cup and the wiring instructions. These things are wired in series on the coil 12V feed and if they are grounded it will kill your ignition system. Here's another pic of a brand new one,

Does anyone have a Rotunda Tach in their car?-rotunda-tach.jpg

Tony P.
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post #5 of 8 (permalink) Old 03-20-2008, 06:10 PM Thread Starter
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Re: Does anyone have a Rotunda Tach in their car?

Yep it runs in series with the ignition switch. Hoepfully ill find one soon, ill take a pic of my tach and post it. I asked the question about the tassle because i graduated in 2004......lol

I also heard too that the light changes brightness with engine speed...true?

Last edited by 64GalaxieHTOP; 03-20-2008 at 06:13 PM.
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post #6 of 8 (permalink) Old 03-20-2008, 06:25 PM
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Re: Does anyone have a Rotunda Tach in their car?

Here's a cup photo, just found it

Does anyone have a Rotunda Tach in their car?-3f_1.jpg

On the very early ones the light would get brighter with the RPM but that was changed because being wired in series the engine would quit when the bulb burned out, they went to a separate light hooked to the inst. lights

Tony P.

Last edited by UTRY; 03-20-2008 at 06:29 PM.
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post #7 of 8 (permalink) Old 03-20-2008, 06:42 PM Thread Starter
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Re: Does anyone have a Rotunda Tach in their car?

great pic, thats exactly what i need. Thats weird that L shaped bracket i thought they had round bases like the falcon tachs. Yea thats exactly what i heard too about the light going out and causing the engine to quit and ive heard also not starting.
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post #8 of 8 (permalink) Old 07-20-2017, 04:38 PM
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Re: Does anyone have a Rotunda Tach in their car?

Quote:
Originally Posted by 64GalaxieHTOP View Post
i have a rotunda tach that i want to put in my galaxie but i have no cup. Trying to find one but they are very hard to come by. If any of you guys have one and its mounted on the dash can you please send me a pic so i know what it looks like. Or if anyone has a shot of one from an old ad or other cars feel free to send it to me. I beleive it has a round base along with the chrome cup but ive never seen one. Thanks.

Also if any of you have a cup that would help way more lol
Know it has been a long time this add but are you still looking for a Rotunda Tach
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