11-14-2018, 09:05 PM
I owned a 1997 31 Open w/FI454 (320 HP) Crusaders for 10 years and travel quite a bit. My experience over the years was around 32 GPH @ 3200 RPM.... NOt sure where the 18 GPH came from unless it was for 1 engine @ 3400-3600.. (36 GPH for twins).. Thart would make sense...

