hi guys ive got a 1.6 zetec engine out of an s reg escort to go in my mk2 ohv orion, the new engine comes with an alarm and immoblizer, ive got the ecu and the black ring, do i need the barrel and key aswell or is there a way to by pass the immoblizer, also i can have anythin i need from the engine bay of the escort, what else do i need to make it fit and run in my orion. cheers in advance guys