04-07-2024, 06:46 PM
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CC Member
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Join Date: Mar 2020
Location: Ann Arbor,
MI
Cobra Make, Engine: Superformance MK III, 396 Windsor
Posts: 16
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Not Ranked
Tach is on, then off, then on, then off for good
I have Superformance #633 built in 1999. 351 Windson, stroker. 23,000 miles. It has an old style Smith Tach.
About 4 years ago the tach failed to work about 5% of the time. About 2 years ago it was up to 15% of the time. Late last year It went to 100% gone.
I looked for loose wires and checked all of the ground wires I could find to make sure they had good connections, but found no issues.
Do Smith tachs slowly go bad, or do I more likely have a wiring problem?
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