Hmmm good topic here ...on my FI SET UP FROM THE 80S ON MY VETTS ...THEY OPERATE ON BATCH FIRE TO THE MOTOR ON THE 350 CI GEN 1 MOTOR ...AT FIRST I THOUGHT THIS TO BE BAD SET UP AND LIKE YOI SAID USES MORE FUEL AT IDLE AND LOW RPM ...BUT O ALSO BOUGHT A AFTER MARKET FIRST PERFORMACE INTAKE WHERE...