Ok I would def. go with the 5.9 and I think you are pretty close with your number maybe even say 27. Right now is a bad time for truck sales so use it to your advantage. If they want to make a sale they will work with you. Good luck to you.:thumbsup
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06 3500 drw 4dr 4x4 auto laramie, 5'' black miters, edge jw/a & hot unlock, sun coast tripple disc and valvebody, k&n cold air intake, g.d.p. big line kit, 475.3 hp, 911.4 tq 5/30/09 62/12/65, AD 150, Smarty so6 POD