Originally Posted by 185skywagon

Thanks guys. Can you both confirm with me the fuel you use / will be using ? I think DA talk about voiding warranty with high octane fuels, I would like to know the disadvantages to using those fuels as I assume there are some ?

Anyway I only have access to 91 & 95 unleaded here and 100LL avgas. I run currently run all my gassers on 91. Recommendations ?

I know the science behind a spoiler / deflector works, its used on full size aircraft and I've seen it on other RC warbirds as well.