R RVadmirer Well Known Member Aug 28, 2008 #1 Has anyone with 9 to 1 pistons tried high octane auto fuel? I'd like to get that extra kick but then I'm told one is stuck with 100LL.
Has anyone with 9 to 1 pistons tried high octane auto fuel? I'd like to get that extra kick but then I'm told one is stuck with 100LL.
Geico266 Well Known Member Aug 28, 2008 #3 Yes, I have used 92 octane auto gas in engines that have 10:1 pistons with no problems.
