Still trying to figure out where the tach wire goes thru the firewall for the 57 GH. The whole wire harness is 24" long and won't reach the tach head if I run it thru the steering column hole like the old made up harness was run. I can't seem to find a firewall hole that is closer to the distributor that works. Should I just go ahead and drill one for the tach harness to run?
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