I've done some searching and it looks like I have a 1g exhaust manifold but I'm not positive. The only thing that is throwing me off is the threaded hole that has a plug in it on the number 1 runner. It also says "evo header gt" between said plug and the mani to turbo bolts(can't see in pic)...
I tested my TPS on my 1991 TSI today and everything checked out good except for the TPS pins 2 and 4 resistance check. It read 1.1k ohms with the throttle closed and gradually increased to 1.9k ohms. It then read open from 1.9k ohms up to 2.4k ohms (about half throttle). It increased normally...