graybullet
Well-known member
- Joined
- Oct 11, 2010
- Messages
- 708
I have a 21XD with a 225 EFI. It runs 75 mph with me in it. It has 35 psi of water pressure. If I move the engine up on the jack plate how much speed should it gain? Just want to know if it would be worth the effort. emoScratch
