fitted a cosworth engine into a mk2 escort

i have fitted a 4wd engine using a 2wd sump
rainbird plenum
megasonic dump valve
3bar map sensor
rs500 intercooler

standard ecu

problem i have is

i get everything wired up and tryed to start it today
after playing with the ht leads and getting to run its seems to be ticking over very fast 3000revs

am i missing something do i need a animal valve????

the guy doing the wiring thinks the ecu could be at felt???

please help after 10months of building the car and finding a brand new cosworth engine from tickford ford

i cant believe im still having problems