I'm deciding on two boats. Both are the same make, model, length, weight, and options except that one has a 5.0 V-8 EFI 240hp Merc. and the other has a 5.0 V-8 MPI 260hp Merc. The boat with the EFI is $300.00 less than the MPI. What's the difference in performance between the two and the price?