ok i know its a bit broad but maybe some of you would have a opinion.
im running a turbocharged 6cyl engine on LPG, compression is at 8.2:1 and fuel mixtures are between 10.8 to 11.3 under full boost which is at 18-20 psi.
im in australia so the engine in question is a 250ci (4.1 ltr) pushrod...