Nice. That brings back memories. I worked at the Volvo plant in Virginia for about 10 years. About this time around the early 1980"s. Volvo wanted to race the 242 turbo in a sports class some where Im not sure. To race a particular vehicle, you had to produce 500. We did 250 and another plant did 250. We removed the smallish turbo, waste gate, along with the intake with the small runners. Replaced with a huge turbo / waste gate setup, along with many other parts, even changed the hood. It wouldnt close with these parts on. All wiring harnesses, and all had to look factory installed. A few had water injection installed. I worked in QC so I got to road test these to make sure they didnt over boost. Some did and shut down. The waste gate was adjusted and sealed and I retested. With this setup it revved very quick, way faster than stock. After all were done and inspected by an outside source. All parts were pulled back off, packed up, and stock parts replaced. That was a fun project to be involved in.