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Old 06-16-2018, 07:31 PM   #1
michael a
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Default Tachometer for my model A
Can I use a 12-volt tack with a 6 to 12 volt Step Up regulator

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Old 06-17-2018, 11:19 PM   #2
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Default Re: Tachometer for my model A
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Can I use a 12-volt tack with a 6 to 12 volt Step Up regulator

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Yes on some. No on some. Try it.
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Old 06-18-2018, 12:16 AM   #3
Bill G
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Default Re: Tachometer for my model A
I recently bought and returned an electronic voltmeter from Harbor Freight that was supposed to be able to register engine RPM. Supposedly, either from clipping the probe to the coil or using the coil wire pick-up. It did not work. It just registered random numbers on the display. I took it back and claimed it was defective. They graciously exchanged it. The second one did the same thing, so I took it back and did not ask for another one.

I don't know why it would not work, but perhaps because it needed 12-volt power instead of 6-volt.
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Old 06-18-2018, 01:03 AM   #4
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Default Re: Tachometer for my model A
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I recently bought and returned an electronic voltmeter from Harbor Freight that was supposed to be able to register engine RPM. Supposedly, either from clipping the probe to the coil or using the coil wire pick-up. It did not work. It just registered random numbers on the display. I took it back and claimed it was defective. They graciously exchanged it. The second one did the same thing, so I took it back and did not ask for another one.

I don't know why it would not work, but perhaps because it needed 12-volt power instead of 6-volt.

Too much noise from the unshielded ignition system for digital meters, especially inexpensive ones, to work. This is why analog meters with a needle are recommended for the Model A.
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Old 06-18-2018, 08:50 AM   #5
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Default Re: Tachometer for my model A
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Too much noise from the unshielded ignition system for digital meters, especially inexpensive ones, to work. This is why analog meters with a needle are recommended for the Model A.
Ditto
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Old 06-18-2018, 09:42 AM   #6
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I'm an analog guy in a digital world. So is the A.
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Old 09-08-2023, 07:34 PM   #7
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Default Re: Tachometer for my model A
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I'm an analog guy in a digital world. So is the A.
That's me too. I don't even intend to try. what did Henry say about systems that are old are not necessarily redundant?
Remind me please.
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Old 06-18-2018, 10:10 AM   #8
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Default Re: Tachometer for my model A
Quote:
Originally Posted by michael a View Post
Can I use a 12-volt tack with a 6 to 12 volt Step Up regulator

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Unless there's some reason you want 12 volt, this place sells 6 volt, + ground, 4 cyl tachs for $125

http://www.westach.com/

(Disclaimer: This post is only information, not recommendation. I have not done business with them so you're on your own there.)
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Old 06-18-2018, 11:03 AM   #9
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Default Re: Tachometer for my model A
I use a "tiny tach". Simple to hook up and works. I have a 6 volt system.
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Old 05-23-2020, 09:35 AM   #10
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Default Re: Tachometer for my model A
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I use a "tiny tach". Simple to hook up and works. I have a 6 volt system.
What is a ""tiny tach"???
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Old 05-23-2020, 07:04 PM   #11
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Default Re: Tachometer for my model A
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I use a "tiny tach". Simple to hook up and works. I have a 6 volt system.
I have Tiny Tachs. In 2 of my cars. Very easy to install and they work great

Chris W
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Old 05-24-2020, 01:54 PM   #12
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Default Re: Tachometer for my model A
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I have Tiny Tachs. In 2 of my cars. Very easy to install and they work great

Chris W
Who did you order these from? What is the part number?
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Old 05-27-2020, 10:38 PM   #13
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Default Re: Tachometer for my model A
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Who did you order these from? What is the part number?
Is this the device that you guys are talking about???

https://tinytach.com/gasoline-tinytach
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Old 05-29-2020, 12:40 PM   #14
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Default Re: Tachometer for my model A
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Is this the device that you guys are talking about???

https://tinytach.com/gasoline-tinytach
I just spoke with Steve at the shop and the model number for the Model A Ford, standard ignition (6 v positive ground) is: TT1CRXL.
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Old 06-18-2018, 11:31 AM   #15
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Default Re: Tachometer for my model A
I use this model from Westech.com Works well.
Model: 2CT32-6V
Price: $124.65
Tachometer 3,500 RPM, 2" round, std pt ign, 2 imp/rev, 6 volt pos or neg grd ( 4 cyl )
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Old 06-18-2018, 01:02 PM   #16
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Default Re: Tachometer for my model A
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Originally Posted by wmws View Post
I use this model from Westech.com Works well.
Model: 2CT32-6V
Price: $124.65
Tachometer 3,500 RPM, 2" round, std pt ign, 2 imp/rev, 6 volt pos or neg grd ( 4 cyl )
I think that should be Westach.com
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Old 06-18-2018, 06:59 PM   #17
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Default Re: Tachometer for my model A
Quote:
Originally Posted by wmws View Post
I use this model from Westech.com Works well.
Model: 2CT32-6V
Price: $124.65
Tachometer 3,500 RPM, 2" round, std pt ign, 2 imp/rev, 6 volt pos or neg grd ( 4 cyl )
I am using the same one and it works well.
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Old 06-18-2018, 07:46 PM   #18
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Default Re: Tachometer for my model A
This is a pic of a Westach in a model A.
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File Type: jpeg Westach_Buzztach.jpeg (89.7 KB, 419 views)
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Old 06-18-2018, 12:47 PM   #19
Willie Krash
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Default Re: Tachometer for my model A
My ears are still working pretty well so I live in a tach free world.
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Old 06-18-2018, 10:21 PM   #20
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Red line 7200??
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