After a windy day loading the prop barely caught the trailer, sent it out for repair and want to buy another to use and have a spare, currently run the oj945 on a 18 craz with 3700 lbs of weight plus a crew of 6/10 people, currently turning about 3800 rpms surfing my local dealer has the acme 2313 which is the 15x12 has anyone ran this prop and will this help any with fuel consumption, we mainly surf and aren't concerned with top end speed