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Old 10-21-2016, 05:40 PM   #1
Merlin1947
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Join Date: May 2016
Location: Chelsea, Alabama
Posts: 4
Major help with OEM tach and HEI

I have a 1970 K5 with a 350 and HEI, I installed a new bezel with a OEM factory tach. I connected everything by the book, but it still does not work when I run the engine. I read that a tach filter would work... Not. So, I installed a old 3rd party tach and it works great! I really want to have the factory look with the tach... Can anyone help me or point me in the right direction? Thanks a lot!
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