I run 22-25 psi range on my Syclone on stock very brittle cast hypereutectic pistons.
I use 91 octane fuel.
I use an Aquamist 1S methanol injection system,soon to go with alky control.
http://www.alkycontrol.com/I also use a J&S safegaurd
http://www.jandssafeguard.com/The Syclone has compression of 8.4:1 .
Guys have run as much as 27-30 psi on occasion w/there stock Sy/Ty engines.
With out using the methanol injection on 91 octane fuel, there would be no way I could run 22-25 psi of boost pressure,+ the J&S is extra insurance to hear & control detonation better than the stock set-up.
As I have always said,you cannot always hear detonation,so why risk your engines life?
Get a good electronic devise that can hear & control your engines detonation.
MBHD
