I have been collecting all the parts for a Junkyard turbo setup on my 83 GTI, my question is, Is the Audi 5k WUR really needed for moderate boost on my car? I have seen a few posts where people either didn't have it at all, or had it unhooked (no boost signal to it). I have even read that with both the 5k WUR and the 240T FD, that the mixture is actually too rich under boost, so much so that it starts chugging the engine.
So on to the question at hand. If I wanted to theoretically run around 10psi, would the 240T fuel distributor do fine by itself, or is the audi part really needed to complete the setup?