Brake Specific Fuel Consumption (BSFC) Maps
From EcoModder
Brake Specific Fuel Consumption Maps
Useful for determining at what load and rpm your engine is making the most power out of the fuel given to it.
Ford 2.0L Zetec
Geo Metro 1.0L original
Geo Metro 1.0L cleaned up
1st Gen Honda Insight 1.0L
CVT, which would have lean burn if the car tested was a Japanese-market Insight. Electric assist does not appear to have been accounted for, so the high-load, high-RPM BSFC is grossly underestimated.
On a chassis dyno with a lean burn capable manual transmission equipped vehicle, with no evidence of reduced BSFC at the low load, low RPM regime where lean burn operates:
Saturn 1.9L DOHC
Subaru EJ22 2.2L SOHC
Toyota 3.0L V6 1MZ-FE and possibly the 3.0L 3VZ-FE (Previous Engine)
Toyota 1.8L 1ZZ-FE
Toyota Prius 1.5L 1NZ-FXE
Toyota Prius 1.8L 2ZR-FXE 2010-
Volkswagen 2.0L 5 cyl diesel
Volkswagen Jetta TDI 1.9L ALH 1999.5-2003











