ok here's the hull it's a 21 v-drive raysoncraft. i'm at the point of which type of steering to use. a calgo set up or a twin cable rack and pinion. what set up should i use. i know the questions everybody might is how fast am i going to go, i don't know yet? motor is a 427 with aries pistons and aluminum rods, solid roller cam,alumunium heads, twin turbo with a single carb and a intercooler.turbo 400 trans, 8 degree strut.prop dont know yet. i have a 12x15 and a 11 1/2x 15. for starters. any input would be great.