Doug, I built the house during one of my single years 15 years ago, thats the only reason I have that room. Ha!
I believe the R5 was factory built to meet the Group B series at the factory, I think just a tad over 200 made. Please someone correct me if I am wrong. Many of them had oil fires as the cool cooler line ran just below the exhaust header. I converted my oil cooler to a water to oil cooler. I also did away with the water pump and use a remote mount electric pump. If you count the intercooler pump and fuel pumps and heater pump it has 6 pumps running. I also converted the alternator to GM1 wire, the old Bosch could not keep up.