I am trying to decide what turbo will match my engine the best. I plan on using my truck for towing, playing, daily driver. I am looking to get in the 450-550 hp range and I dont have the $$ to drop in a twin setup. I know a hx35 is out of the question so would an HX50 be too big and slow to spool. What about a variable turbo off a newer cummins can they be setup on a 12v?