Wasp Jr. SB:COMPRESSION_RATIO:6.0:1####Wasp Jr. SB:OCTANE_RATING:80/87####Wasp Jr. SB:POWER,_CONTINUOUS:hp (kW) at 2,200 RPM
The compression ratio for the engine, with continuous power hp (kw) at 2,200 RPM and an octane rating is 80/87, is 6.0:1.