deffo the amel 1, called a 'boost control valve' in the haynes
on mine the ecu is tucked behind the battery
works but not ideal, in the car via a xr3i efi loom would be better, when i done it, it was just to get the car mot'd and i didnt have a erst lump to hand but i did have a frst 1
mite go back to erst when this lump blows, which im sure it wil