RPM's

My 02 cents: 360 ported heads/2800 9.5 GER converter /3:55 TracLoc./" those 275/60/15's " actually measure under 27"...(750 4779 d/p) : Was getting 21-22 MPG@62 MPH,with vac advance hooked up & a vacuum gauge. Your can is smaller,pay attention to the small details.