C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Wacky tach

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Old Sep 26, 2013 | 08:41 PM
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cmac72
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Default Wacky tach

The tach on my 79 decided it should start out near the red line on idle. Figured if I got up to a decent speed I would bend the needle so I unplugged it from the distributor. Now it sits at about 7500 rpm and laughs at me. Any advice on how to wipe the smile off the tach's face and get it working again? Thanks.
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Old Sep 27, 2013 | 02:34 AM
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Aussie79
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From: Maroochydore QLD
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Yep, you need a new tach board available form most leading vendors, I think they retail about $60 or so, pretty easy swap out, you have to remove tach from dash though, not hard just a bit pesky to do. Swap the board takes 5 minutes once the tach is out.
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Old Sep 27, 2013 | 05:52 AM
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Thanks. Always looking for off season work in the car. (sure, I am)
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Old Sep 27, 2013 | 05:57 AM
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From: Chesapeake Virginia
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read this before you order anything

http://www.howtoalmanac.com/kevin/pr...ve/tachfix.htm
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