3 cylinder tach

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Subject Author Date
3 cylinder tach Karl Townsend 05-11-2008
Posted by Karl Townsend on May 11, 2008, 8:09 pm
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I'm looking for a tach. for my 3 cylinder ford tractor. looking for digital
as I need to know whether the engine is running 1200 or 1300 rpm. The dial
gauges that go to 10,000 rpm just don't have the resolution I need.

They don't seem to make a tach for three cylinder engines. here's the best
page of digital tachs. I've found: http://tinyurl.com/4lg6ru

Is there an easy device to add to a tach set for six cylinders to actually
read for a three? Some other idea?

Karl




Posted by Up North on May 11, 2008, 8:59 pm
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> I'm looking for a tach. for my 3 cylinder ford tractor. looking for
> digital as I need to know whether the engine is running 1200 or 1300 rpm.
> The dial gauges that go to 10,000 rpm just don't have the resolution I
> need.
>
> They don't seem to make a tach for three cylinder engines. here's the best
> page of digital tachs. I've found: http://tinyurl.com/4lg6ru
>
> Is there an easy device to add to a tach set for six cylinders to actually
> read for a three? Some other idea?
>
> Karl
>
>
>
Karl
I can't find one right off hand but I had a tach that used an inductive
pickup off the plug wire to drive the tach. I guess it would work on any
number of cylinders as long as they only fire once per revolution.
Steve



Posted by on May 11, 2008, 9:34 pm
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On Sun, 11 May 2008 19:09:43 -0500, "Karl Townsend"

>I'm looking for a tach. for my 3 cylinder ford tractor. looking for digital
>as I need to know whether the engine is running 1200 or 1300 rpm. The dial
>gauges that go to 10,000 rpm just don't have the resolution I need.
>
>They don't seem to make a tach for three cylinder engines. here's the best
>page of digital tachs. I've found: http://tinyurl.com/4lg6ru
>
>Is there an easy device to add to a tach set for six cylinders to actually
>read for a three? Some other idea?
>
>Karl
>
>
Tiny-tach or other secondary triggered tach connected to one plug
wire. Doesn't care how many cyls - there are 2 types - 2 stroke and 4
stroke. 2 stroke tach works with double ended coils, which are NOT
used on 3 cyl engines.

** Posted from http://www.teranews.com **

Posted by Karl Townsend on May 11, 2008, 11:29 pm
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> Tiny-tach or other secondary triggered tach connected to one plug
> wire. Doesn't care how many cyls - there are 2 types - 2 stroke and 4
> stroke. 2 stroke tach works with double ended coils, which are NOT
> used on 3 cyl engines.

Thanks, I just ordered a tiny tach. I don't like that it has a sealed
battery and will only last 4-5 years and then need to be replaced, but
that's the way everything is built now.

Karl



Posted by William Noble on May 12, 2008, 12:14 am
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I've never seen a sealed unit with an internal battery that I couldn't open
up and change the battery on - when the battery goes dead, give it a try.
>
>> Tiny-tach or other secondary triggered tach connected to one plug
>> wire. Doesn't care how many cyls - there are 2 types - 2 stroke and 4
>> stroke. 2 stroke tach works with double ended coils, which are NOT
>> used on 3 cyl engines.
>
> Thanks, I just ordered a tiny tach. I don't like that it has a sealed
> battery and will only last 4-5 years and then need to be replaced, but
> that's the way everything is built now.
>
> Karl
>


** Posted from http://www.teranews.com **

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