went to the track,car felt like it was falling on it face,more toward the end ,replayed my fast,no knock,a/f 10.5,to 11.3. more 10.5 at the top end ,a little rich, but the car was off .75/8 mph . volts started out at 12.5.ended at 11.9,at idle or cruise goes right back to 13.4,13.5 volts. this...