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Re: Tachometer calibration
I found a previous thread that addresses calibrating it with an adjusting screw that is at the top rear of the tach that is covered by tape.
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Charles
68 SWB, Dad bought new, now 396 & factory ac
64 Impala SS, 409 425HP, 4 speed AC
64 Bel Air Wagon, 400 Small Block
57 Bel Air all original 283 w/Factory Air
77 GMC Sprint, 454/425HP
67 Olds 442, all original
90 ZR1 Corvette
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