Sounds a good project will keep an eye on this I do have a facebook friend from the states with a wrc spec escort cosworth if you use fb pm your username I will put you in touch with him may be of help mate, bullet proof 400 bhp is easily possible on a 200 block stock engines can take that power my saph was running 380 on stock engine Siemens black 55lb injectors t35 turbo I had a 550 bhp spec mountune engine which I sold on as wasnt suitable for my project this had std crank cosworth racing pistons h beam rods with wrc squirt jets, a 200 block at the extreme can push over 700+ bhp