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Old 02-04-2007   #1 (permalink)
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Exclamation 1978 Mustang Speedometer Off after cable reinstall? Anyone?

i took my speedometer cable off, and upon reinstalling it, i found that i seem to be driving a little faster, and so does everybody else. can you install the speedomter cable at the speedometer wrong?
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Old 02-04-2007   #2 (permalink)
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it shouldn't be wrong from just disconnecting and reconnecting it, though there is the remote possibility that some gunk was in the works of the speedo and you worked it loose (if you ever turn the tranny end of a speedo cable you'll notice it has to turn at an even rate to keep the needle raised) if you had gunk in there it could've put resistance against the cable, but even that's not likely to have made more than 1mph difference or so.
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Old 02-04-2007   #3 (permalink)
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Default Speedo-speed-up

If you lubed the cable before re-installing, it might be spinning freely now (vs with some drag before, which would have indicated a slower speed).

Have a friend with a newer car follow you at a predetermined highway speed and see what's what. Odds are its STILL off, though I suspect on the slow side.
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Old 02-04-2007   #4 (permalink)
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i didnt re lube. i jsut popped it off, and put it back on when i was putting my dash back together.
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Old 02-22-2007   #5 (permalink)
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Did you even get the problem fixed?
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Old 02-25-2007   #6 (permalink)
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i don't know...i havent had the chance to have a car drive next to me while i talk to them.
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