high luke the blocks are basicly the same, but internals are different, as the standard runs high compression and the turbo is lower, i wouldnt advise a standard efi block, you will need a turbo, unless you take the internals out and put them in a standard block,

hello again the only other thing i can thunk of is the actuator needs adjusting.... let me no how u get on cheers

hi there i had the same problem with my fiesta and all mine was is one of the boost pipes split so it was loosing pressure it might not be that but its worth a try ..