Dude there is no quick fix. You need to take the troubleshooting steps necessary to find the problem...
What kind of cap and rotor are on the distributor? A cheap cap will allow scatter spark. Use a Motorcraft or MSD cap.
If you are troubleshooting this on another thread maybe
@karthief can merge them.
Pictures of the engine and parts I need detail in order to help you.
Bama tunes are junk. They are so bad I will give away the chip i bought years ago. Waste of money, want a Bama tune? Go bump the timing up 3*