Hello Jon, and others,
Bill Lange provided this additional detail on his old 1967 Z/28 Camaro, which became the yellow-then-green '67 that Rusty Jowett drove in the Trans-Am:
"I grew up about 5 miles down the highway (Route 301) from the Upper Marlboro race track. I kept close watch on all the classes, watched the 356 series Porsches, Bug-eyed Sprites and such. I think the 911 Porsches were just being introduced, maybe it was the 911S, but for one reason or another I drove down to Heishman's Porsche to look the new cars over. The Z/28 was on the used car lot, just sitting there. I was out of high school, working for Mark Schweins Fuel Oil Company (truck driver), certainly I did not have "Porsche Money" but the Z/28 was within reach and I bought it. I wish I had the records to know the serial number of my Camaro? It was a very plain Z/28. No center console, no factory tach, no spoiler.
The car was a fun car to drive, but after 6 months or so I got my "Greetings and Salutations" letter from the President, time to report. Mr. Wilton Jowett and his son Rusty (lived right down the road two miles or so, even closer to Upper Marlboro) were racing Corvettes and I guess they wanted to compete in the Trans Am. They hired Mark Schwein and bought my car. Wilton Jowett started a company called Performance Research and they built the first car. I am looking for pictures before it was a race car, but my filing system is poor. I did travel to a few tracks with the Jowetts, worked on the crew. I did St Jovite, Bridgehampton and Lime Rock. Sebring was coming up, but I missed that race.
We had more tire problems on the hauler than we did on the race car.
I did not know Heishmans had a second car as mentioned in the newspaper article (Jon's posted article above)."
Bill, thanks so much for sharing and allowing us Trans-Am enthusiasts learn a bit more about you, this car, Heishman's, Rusty Jowett and Mark Schwein.