Racing gas, low compression, and ignition timing

[Ed Wright]

Originally Posted by Billy Nees

Look for the fuel with the fastest burn rate or lowest flash point.

That's good advice. I don't have a clue how much timing that engine would want. Old as I am, I never tried to tune one of those for racing. Not the best looking combustion chambers I ever saw. I wouldn't have a clue where to start. I wouldn't expect a lot of swirl, so it may like a lot.