i have a 1975 f150 with a 360 im assuming the valves out of it, it only runs on 6 and a half on idle and 7 when reved up, i put new plugs and plug wires in it and points so my guess is the valves are going out of it, it can still burn the tires off so ill run it till i find a 390 and put in it

1975 f150 360