C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Sep 3, 2018 | 07:50 AM
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Just put a new speedometer cable in my 73 vette and it only lasted 70 miles any ideas
ty
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Old Sep 3, 2018 | 07:55 AM
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Welcome to the forum!!

Best to post your question in the C3 Section.

https://www.corvetteforum.com/forums...performance-3/

Good Luck!!
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Old Sep 3, 2018 | 08:08 AM
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Welcome to the forum also glad to see another 73 owner as said above check the C3 section out
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Old Sep 3, 2018 | 08:20 AM
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Welcome and good luck with your seventy three!
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Old Sep 3, 2018 | 08:34 AM
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Welcome aboard!
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Old Sep 3, 2018 | 09:36 AM
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Moved to C3 Tech/Performance.
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Old Sep 3, 2018 | 09:36 AM
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Welcome to the Forum
Like other have said post in the C3 section, it could be the gear in the tachometer they are known to fail.
Remember to WAVE!
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Old Sep 3, 2018 | 12:30 PM
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Did it have any tight turns or kinks in the cable? Was it run up against or too close to the exhaust? Did you lube the new cable? It's things like this that will cause a cable to fail.

Mike
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or gummed up speed-O, to test dissconnect at transmission.
manually spin the cable with your fingers, it should turn very freely,
and you should be able to spin up 20 mph or so with just flickin your cable with your fingers, and see it on the speedo.
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Old Sep 4, 2018 | 12:46 PM
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Originally Posted by Skivy
...speedometer cable...only lasted 70 miles any ideas...
Lasted 70 miles before doing what? Both ends of the cable must be squarely seated (at speedo and at tranny).
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