OK, so I picked up a Kenne Bell blower for a 5.0 Mustang and plan to put it on my Mountaineer. I'm trying to get everything together before I start fabbing everything to get it to fit up right. So far I have 42lb injectors, 255 walbro fuel pump, 90mm maf, and a 93 Mustang p/s and a/c accessorie bracket(for the snout support. Now I plan on getting it tuned, and I figured with the pump and injectors I shouldn't need a FMU. One thing I was wondering though, I see alot of the KB blowers use a bypass valve. My KB dosn't have one.. Would it be smart to use one? I don't know how much parasitic loss I would have without one. Also how does one calculate the new belt length with the blower mounted. And lastley do you use any sealant/gasket on the connections to the plenum and the blower. Sorry these are prob stupid questions for somone thats putting this on to ask.. But I've never delt with one of these before. Any help would be amazing. Thanks guys.