I was wondering if anyone on here has tried switching to a 2'' shorter lower unit on their drive. If so, did you pick up a few miles an hour and did you think it was worth the expense?. I have an IMCO drive am considering going with a shorter lower unit to pick up a little more top end. Anyone tried it on a larger size 30' V bottom. I know that it depends on your current drive height and whether or not you already have a high X dimension but just wanted to get some feed back from some people who have tried it and liked or did not like the results. Thanks for the help...