I have a 1973 CR with fuel injection and a Lumenition ignition system and K&N air filter. I have noticed that when I am "cruising" at about 50mph or 60 in overdrive i get a slight hesitation/misfire. This is with just a slight pressure on the throttle to hold the speed. If I put my foot down the car pulls like a train with no issues and also accelerates from standstill without any issues. I only run 98 fuel and have filled up quite a few times during the summer but still have the same issue. It has a Bosch pump with the separate paper fuel filter which I have changed. I then changed the sp