I just put a new Accel Distributor (HEI) and coil in the Yellow 66 Chevelle.......Now the Knee Knocker Tach reads about 1/4 the RPM"s it should.....Idles at 200 RPM and even when I really rev the motor it just barely go's over 1000 rpm..........Any input as to what's going on here...
Thanks
Ken