Disclaimer - I'm an N/A guy, and have built a few fast N/A cars in my time. I stick to N/A because I know next to nothing about F/I.
So here's what I do know. For low end and part throttle power, a roots style blower is the way to go. I'm looking for towing power, and not racing power. I will probably rarely, if ever go WOT with the truck. So I'm needing it to have some mid range power in the 2500-3000 rpm area mainly.
Here's what I don't know. Will a blower still give me more power in that range while just cruising along with the trailer in tow, or do I need to be in boost to get the benefit? Is there any boost when not at WOT?
Second question - If it does add power at part throttle for such an application, will adding a smaller pulley (URD pulley for the TRD SC) add to that mid range part throttle power, or will that only help with WOT performance?
Thanks - and yes I've searched long and hard