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Author Topic: Ultra rare factory Tach gauge set?????  (Read 7690 times)

Offline 79k30guy

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Ultra rare factory Tach gauge set?????
« on: February 12, 2010, 11:09:49 pm »
Tell me whos seen this set before??  My dad has a 74 K20 with Cheyenne trim (wood grain) with a factory Tach, but on his the fuel gauge is the small gauge bottom left, on this set if you can see it.. the bottom left is a VAC gauge, and the fuel is in the tach gauge...   ???    never seen it before.   anyone?

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Offline Irish_Alley

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Re: Ultra rare factory Tach gauge set?????
« Reply #1 on: February 12, 2010, 11:26:13 pm »
kind of cool looks like an "SS" setup my impala had a similar gauge setup
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Offline zieg85

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Re: Ultra rare factory Tach gauge set?????
« Reply #2 on: February 13, 2010, 12:21:29 am »
I think that is out of a Medium Duty truck with the 5K tach.
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Offline Layne

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Re: Ultra rare factory Tach gauge set?????
« Reply #3 on: February 13, 2010, 11:06:14 am »
Vac guage... Diesel medium duty?
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Offline VileZambonie

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Re: Ultra rare factory Tach gauge set?????
« Reply #4 on: February 13, 2010, 11:06:57 am »
We've had a few threads on these before... http://forum.73-87chevytrucks.com/smforum/index.php?topic=14637.0

There's a company that sells factory style tach's too.

http://forum.73-87chevytrucks.com/smforum/index.php?topic=9604.0
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Offline VileZambonie

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Re: Ultra rare factory Tach gauge set?????
« Reply #5 on: February 13, 2010, 11:07:53 am »
Quote from: Layne on February 13, 2010, 11:06:14 am
Vac guage... Diesel medium duty?

They had two styles of vacuum pumps for the diesels. One was a belt driven pump the other driven off of the cam.
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Captkaos

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Re: Ultra rare factory Tach gauge set?????
« Reply #6 on: February 17, 2010, 04:29:33 pm »
those are generally harder to find than the normal tach versions, question is, does it work? Those only came in 3/4T and 1T trucks.
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