fuel cell will be in the rear of the car but under sealed cover with the filler cap piped into the rear quarter panel,
as for ride height its not going to be standard mk6 fiesta height lol but its on coilovers so can be raised etc to suit im sure,
no v5 from donor vehicle as i have not used one, just sourcing parts as i go along, but q plating should not be an issue as i can prove the age of the car still and its original id etc