Kamper; The "spectacular display" at the drags is from Nitromethane and/or Alcohol fuel mixtures.
MistyBlue; I am NOT a fan of using AVGAS in non-performance motors, and I use CAM 2 and a mix of Super 91/93 to make sure I have enough octane to run the HI-PO stuff.
Stock motors don't require high octane, and, may not run correctly with too much.
In my chain saws, and other "small, STOCK, motors I DO run Super 91/93 with a stabilizer (I like SeaFoam).
There are MANY opinions on this. Good luck filtering through them. I know what has worked for me though.
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