Got a pm from another member in Newtown Square who sounds like he has some similar problems like I had. He has some questions, but might also need some work done. Sounds like he already had some good mods, but engie giving him some trouble. His name is Chris. Goes by kruch1 on here. Don't know him. But he does ave a GRP wagon with a 5 speed which is pretty ******* awesome.
message from him:
I've had to do a turbo, since mine suffered the usual oil starvation issue. I assume that is what has led to my current issue too. We really do have to change oil every 3000 in these cars or the big repair bills creep up on you. But I also did turbo inlet, up-pipe, catted down-pipe and a custom tune when I did the BNR 16g turbo. It REALLY woke the car up!
If you don't think he would mind, can you share contact info of the Rafferty tech that did your work?