whats the speed on your hydros? should i expect more or less of what your runnin? also on the turn fins how would i go about that just one in the center or what? this is new to me so im kinda lost on a lot of things here. my dad kinda helps but this hydro is a lot more to the 8 foot cab-over he built way back. and what modifications will i have to make. if need be i can show you all the plans and any info you need to know. again any help is helpful and i thank all who have helped thus far.