I Have A 2004 1850 Crestliner, And Am Thinking Of Putting A 6 Inch Jackplate On It To Hopefully Improve Performance. I Am Running A 150 Opti-max, With A Laser Ii 21 Pitch Prop. It Is Turning 5150 Rpm Wot. Which Is Also A Bit Short Of The Proper Rpm Range Which Is 5250-5750 Rpm For This Motor...
