Its an 07 on a 07 Triton 21 X. Problem is it starts to pull right at about 60 or so and you really have to saw on the wheel all the way up. It has a 25 pitch merc prop. I did the checking with everything level. To center of prop shaft was 10 3/4 and to bottom of hull was 16 1/4. just trying to get it more stable in the low 70's. I have around 2 inches left on the jack plate to go up with and about the same down.