natural gas

  1. T

    FI or High CR for CNG alone.

    To take full advantage of CNG's 130 octane, I want to address either installing custom domed pistons for 15:1 or add a supercharger at my upcomming rebuild. Possibly both if I can't get that high of CR with pistons. Which would be better for a hot street engine. What other issues will need...
Top