Other things to consider for a supercharger install: Bigger TB, bigger MAF-better exhaust-if you're putting more air in, you need to be able to get that extra spent charge out!
You will be fine with the stock block and a supercharger. As said above 500 rwhp seems to be about the limit for the stock block. If you keep it around 450 rwhp you will be fine.
The thing with the H/C/I is that one day if you supercharge it with the H/C/I you will be able to make the same amount of power as you did with just the supercharger but it will take less boost to make the power. With stock H/C/I it might take 12 psi to make 450 hp. The same motor with aftermarket H/C/I will make the same 450 hp but probably do it with 6 or 7 psi. If the motor is flowing air better then it wont take as much boost to make the power. Less boost = less blown headgaskets and such usually. Plus as mentioned above a nice H/C/I combo are gonna give the car that growl when you start it, and that awesome lopey idle that turns heads when your out and about. The H/C/I with supercharger is the best of both worlds. If you want to make the most power right now though I agree the supercharger is gonna be your best bet. Good luck.
The H/C/I with supercharger is the best of both worlds. If you want to make the most power right now though I agree the supercharger is gonna be your best bet. Good luck.
This is true, but that is expensive. Almost 5k just for the parts. A brand new s-trim is around $2300, and a TFS h/c/i package is another $2200. Be prepared to spend a lot to get both. Otherwise, maybe an explorer intake, gt40 heads, and a cam would give you some snarl, at a much cheaper price, and you probably wouldn't have to be above 10psi on the blower.
DIY T70 turbo kit on a stock Explorer engine can go LOOOOW 10s with a good supporting setup. You can keep the crap ass gears and invest the money into something else, too. Food for thought.
Thanks for making my point. A used S-Trim for $1700, $300 for used injectors and mass air meter, $100 for a 255 in tank pump, and any 5.0 can put down 330-370rwhp, stock pullied. Oh, and I still got 25mpg on the interstate. Lets see, cheaper, and faster!