I have a 1989 Ford Mustang. I swapped it from fuel injection to carburator. It has Holley 750 carburator, Edelbrock Victor Jr. intake, and a Mallory Unilite Distributor MSD 6AL box, Tfi blaster 2 coil. Having problems with a miss when I excelerate to a high RPM. I have changed plugs, plug wires.