for ee model mounting need to modi if ur planning to swap in 4age engine, and that will cost more. and must remember that for a 20 v engine, those who pasang doesnt mean they know how to troublke shoot. so if u want find a really good mech for it.
need to ask sum question here, my 63T originally was used 1.8 fuelpump from gti, boosting at 0.75bar ...and i just change my fuelpump to walbro 255LPH fuelpump...after fixed,tested the car....the boost suddenly goes...