A tachometer in a P-30
Finally finished cutting the steel Stamping That forms The back of the instrument pannel, this is what looks like! Comments!?
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Looking to increase my MPG, from what I understand the best RPM range for a Chevy 454 is about 1700 RPM. Of course can't stay in that range and cruise at 65 to 75 MPH! Will try from now on out, previous owner could get 10-12 MPG, guess she kept the speed down.
