Pre-compressor methanol injection. I do the same on my car, but with straight water. Rules- supercharged, twin intercooled, twin cam, 32 valve, straight eight engine... ...from 1928!
Duesenberg probably. I think it's fair to say Stav has more than a passing affection for Yank engines. especially dirty big ones! edit - roolz
Did they ever do more than mock that engine up Dan? Wouldve loved to see if it actually performed remotely good. Rules-