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Mechanical tachometer
#138483 03/09/09 10:35 PM
Joined: Jun 2008
Posts: 51
Livermore, CA
lyngomes Offline OP
Shade Tree Mechanic
OP Offline
lyngomes
Shade Tree Mechanic
Joined: Jun 2008
Posts: 51
Livermore, CA
I just bought a near NOS Stewart Warner mechanical Tachometer, model 77B. It didn't come with a cable or gears to connect it to who knows where.

Where can I find these parts? Where should I connect it - I've heard distributor drive, cam shaft, and flywheel. Is there a primer on these instruments I can consult?

Thank you,
-L

Lyn Gomes
1955 Chevy 1st series truck
Filling Station - Chevrolet & GMC Reproduction Parts


Filling Station
Re: Mechanical tachometer
lyngomes #347511 07/19/15 12:37 PM
Joined: Jul 2015
Posts: 11
Portland Oregon
morrisgauge Offline
Grease Monkey
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morrisgauge
Grease Monkey
Joined: Jul 2015
Posts: 11
Portland Oregon
The majority of tachometers are run off of a distributor drive or in some cases a crank drive adapter. Cables can be made by speedometer shops or most trucking outfits.


www.morrisgauge.com
Re: Mechanical tachometer
morrisgauge #347582 07/20/15 12:04 PM
Joined: Jul 2015
Posts: 11
Portland Oregon
morrisgauge Offline
Grease Monkey
Offline
morrisgauge
Grease Monkey
Joined: Jul 2015
Posts: 11
Portland Oregon
I forgot to mention generator drive tachometers, but those are calibrated to a different ratio than the above mentioned.

www.morrisgauge.com

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