why and how are you running 66psi fuel pressure?

 

If you take your vacuum line of your fuel regulator on the fuel rail it should read stock is 58 psi. There is screw in the middle of the fuel regulator that you can turn the psi up. When had stock injectors i was pull 98% idc at wot with the fuel regulator set to 58psi so raised to 66psi and it brought my idc to 88%.