[Lethal Tendencies]

My tach is bouncing around quite a bit. Any suggestions. '75

 

[USNChief]

I have a 1980. I replaced the tach filter and make sure you do not have any loose connections.

 

[Lethal Tendencies]

Where is the tach filter located ?

 

[[email protected]]

on manifold next to distributor ..they do go bad and cause problems,or could be a bad connection... this is it http://www.mamotorworks.com/corvette-c4-c3-tachometer-filter+1975+1989-1-140-5902.html

 

[Lethal Tendencies]

Very good , thanks

 

[Lethal Tendencies]

Filter was the issue. Thanks

 

[[email protected]]

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