Escort Boy 1

Hi all i should in the next coming weeks be aquiring a very nice mk6 escort diesel van for peanuts which has been sprayed in floresent green he he, now i will be embarking on the project of converting it to a zvh which im wanting to make a fair few ponnies from, mainly to wipe the smug look of my brother in laws face with his 300hp skyline lol, anyway, any advice apon fitting petrol tanks, getting fuel lines up the car, mounting the zvh in the car and what gearbox to use would be excerlent, also what ecu i can use??