Originally Posted by oriurbo

hi i am running a 2.1 zvh on efi management with beige injectors. for everyday use it runs 13psi but when i try turning the boost up the car hates it pinking and missfiring. i think this is down to the beige injectors as i believe they are standard fiesta beige injectors which are only good for 220bhp and my car i think has quite abit more power. i hav been told there are two types of beige injectors? some that are capable of more than 220bhp? can anyone help me? or does anyone know if i can run any other injectors on efi management? i dont want to go cossie management i would be gratefull for any help cheers