mustang popping through intake

[sickblownstan9]

ok here goes i put a procharger on my car was running great went for a run was pushing 10 psi boost felt good then it started popping through the intake and when i rev it it the rpms stay up[ for a few minutes can any one help im ready to burn this think

 

[Mustang5L5]

Need a little more info.

My first guess is you are running lean, but tons of stuff can cause this. What's your timing? fuel pressure? EGR working? plug gaps? etc.

Did you get the car tuned after putting the blower on?

 

[sickblownstan9]

i did have it tuned and my fuel is at 39-40 and i do have my egr i have the gap at 0.30 and auto lite 23's