Hi, I've just buy a 1990 cruiser holiday 2670 (loa 26, beam 8, weight 5.600 lbs)with a pair of mercriser 3.7 liter, and I would like to have all the imformations possible on this. Is it enought power, is it an economycal option, and is this engine a good model? <br /><br />Thanks in advance...