I been looking threw back posts and I cant seem to find anything that relates to this soo I figured try a new post. About 3 weeks ago I replaced my VSS behind my dash on my 89 RS camaro. Well about a week ago I took my first LONG drive, Jersey to Rochester. Well I would notice that the speedo would jump from say to 80 to 85 then just as fast as it did that it would then go back to 80 then down to 75. All with out my taking my foot off the gas or giving it more. Any one got any ideas?

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89 RS Camaro
Hedman Headers, Highflow Cat, Flowmaster 80 Series
180 Degree Thermo
Open Air Element with K&N Air Filter
Custum Burned Chip

So Many Mods......so little time

www.rit.edu/~cjp8408
AIM: PopaPork

 

Papa,

You still have speedo cables, and all the potential problems with them sticking and binding in the housings. Clean and lube the cable(s) and check it again.

BTW - you must be "testing" the speedo at 85 on the chassis dyno, right?

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Later,
Vader
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"Click - Click - BOOM!"
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How can I clen the cable? The only part I see is about a inch if that. Should I just clean that and the place it plugs in to? Oh yeah 85...dyno.....how you guess :0)