Its one of Tony's trade secrets. I know he told me the make but I have forgotten, I think it was Mobil? Its not mixed, its just a good oil that does the job. He may well use another type for the 6 speeds.

The Redline Shock Proof range is a race oil only! It is not designed to go more than 5000km! Nor is it recommended by the manufacturer for road going synchros. If not changed regularly it can gum up the oil gallery's.