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  1. Gas gauge not working properly, any insight is appreciated.

    General Rodding Tech
    Hi, I have a 1973 Pontiac Laurentian/Chevrolet Impala. The problem I have been having with it is; when my gas gauge gets down to the 1/4 tank mark, it will not go any lower than that. I have actually ran out of gas when the gauge claims that I have a 1/4 tank left. Any insight/help is greatly...
  2. Tachometer trouble

    Hotrodding Basics
    The tachometer I put on my 1978 GMC truck is acting up. When the truck is idling, the tach will be pegged out, then when I rev the truck up, it will drop down to zero RPM on the tach, then at highway speed (around 60 MPH), it will say somewhere around double the RPM it should be running. Tach...
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