Revin7

Hey guys i'm in real need of some advice. I recently took my 93 touring to the local performance shop for radiator /coolant leak. When I dropped off the car the car drove fine. Days later they tell me the fixed the leak but now my car has some sort of igniton problem.Once the car goes into boost it cuts off power.. They said that when they worked on the coolant leak they didn't touch anything else..They checked my igniton coil on another 3rd gen and it worked fine on the other car. They told me they are stuck now, so i'm going to take it to this mazda tech that is supposed to be good on on rx-7. Have any of you guys had this problem before???

My only mods are:
apexi gt exhaust and intake
silicone vacuum lines