Question hopefully someone can add some input to. My boat is a 97 Nitro 884 savage with a merc optimax 135. 23p tempest plus prop. My boat came with an 8" jackplate and the p2p at 6 1/4. I changed it out and put a 5.5 jackplate on it and raised up my p2p to 3 1/2. I actually lost 3 mph doing this and I'm not sure if changing that small amount of set back could do that or not. I gained rpm with the new setup but lost speed. Is it possible that I lost bow lift from the motor not being back as far?