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  1. 1964-1974 Tempest/LeMans/GTO Tech/Electric Wiring
    I have a '65 GTO with rally gauges. Recently I had Pertronix HEI distributor issues, and ended up replacing it with an RPC distributor. The car runs good, but now my rally tachometer is sporadic. It will work fine one moment, then the needle drops to zero, then all the way up to max RPM, then...
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