I've fitted a fiesta rst engine into my efi xr3i and I jus can't get the thing to start I have spark I have fuel I followed a guide on RS-Bible site but it jus will not start I'm using OFAC like it said to use jus want to take it to someone to get that thing running

Can anyone reccomend somewhere that's not goin to rip me off don't want to spend a fortune when i could jus convert to aftermarket managment