bullet93

i have a 93 306 coupe it has heads, intakes, tb,mass air meter,camand other mods i just started having problems with the car,it has a bad miss. at or about 2 grand the car bucks and the tach drop then is clears out.does it in every gear.in 4th gear whiledriving around say3000 to 3500on the tach the car will buck and the tach drops.before this the car was running great. since it started i changed the coil put in a blaster ss,9mm motorsport wires,and a msd cap.problem seemed to go away but came back.next i changed the ing. moduleand the rotor.checked timimg problem still there. CAN ANYONE HELP?????PLEASE