GP minimum recommended octane is 92 for the 2180 VW. Does not matter which, autogas or 100LL, as long as you use 92 octane or higher. Then there is the lead deposit issue with 100LL and the Ethanol issue with the autogas.
Sid Wood Tri-gear KR-2 N6242 Mechanicsville, MD, USA > Doran, > I don't think you'll find an absolute answer to that. But if you want to > run autogas from the pump, you need to have a lower compression ratio > somewhere around 7.5:1. Higher compression ratios are fine, but you need > to run 100LL. I believe 8:1 is normal for a GP engine. > > Rob Schmitt > Revmaster 2100D > KR2S > N18562Z > > Hello folks, I need to call Great Plains and get the manual sent to me but > in the meantime does anybody know if the recommended compression for the > 2180 conversion? > Doran > N186RC > _______________________________________________ >
