I looking to buy a 2006 glastron 249 (24'10") I'm trying to decide which engine. It come with a volvo penta 5.0 gxi-dp (270 h.p. fuel injected, duo-prop.) Would there be a big difference if I upgraded to the 5.7 gxi-dp? (315 h.p. fuel injected, duo-prop.)It would be about $4000 more.
