I have a 69 Hemi Roadrunner, the factory tach I believe is off. It has 3.54 gear, tach reads 4800 at 65mph sound like it’s about 3000 rpm. Is there something known to cause this type issue.
Have a question, bought a 69 Hemi 4 speed road runner new, it was a hardtop. How many were made? Can you break it down by color no stripes and air grabber hood. Just curious.
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