Speedometer Problems

819 Views 4 Replies 3 Participants Last post by Davieo, Jul 3, 2010

Davieo

Discussion Starter · Jul 1, 2010

Can anyone tell me the fix for a speedometer that is 10 to 15mph slow. I heard that there are some sort of small gears in the transmission where the speedometer cable goes to??? This is for a 1978 V6. Thanks

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nnik

· #2 · Jul 1, 2010

the speedo cable goes into the tailshaft on the left side of the trans...the gear is on the end of that..held by a c-clip. those ar interchangeable, that is the driven gear. You may also have to change the drive gear (not always) but for that the tail housing must be removed

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Davieo

Discussion Starter · #3 · Jul 2, 2010

Thanks for the info..i'll check it out.

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1978CobraII

· #4 · Jul 2, 2010

Are your tires the proper size? I have 205's on my rear and mine is about 6-8mph slow.

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Davieo

Discussion Starter · #5 · Jul 3, 2010

I have 195/70R/13 on the car. They are on the original rims so I figured they are the original size??

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