it would probably be easier and cheaper to buy a different radiator hose. or, you could extend yours. just cut your radiator hose, find a piece of aluminum or stainless steel tubing that fits inside your radiator hose and then use hose clamps to seal the tubing to the radiator hose.
1) or you could custom fab a bracket. all you would need is a small sheet of stainless, or any other steel for that matter, a dremel, a drill, and some paint, if it isn't stainless. but yes those companies could hook you up. but what about where you bought the supercharger from? they should have these parts as well.
2)you're really going to want that chicane intercooler. it's worth every single penny of that $700. and my procharger 3 core intercooler was like $1,100, so $700 doesn't sound bad to me. a heat exchanger is used in conjunction with an intercooler, so if you don't have an intercooler there will be no use for a heat exchanger. coolant runes through the intercooler to soak the heat from the compressed air, the coolant then travels to the heat exchanger, where the coolant is cooled by the ambient air before going back into the intercooler.
3)you'll be fine with 8psi, just get a safe dyno tune and run some cooler spark plugs. NGK Tr6's will do the trick. contact chicane or saleen for the proper belt size.
4)330 sounds right without an intercooler, although you said it was a series 1, so it might be a bit less. without the intercooler you have to run much less timing which kind of robs you of power. and with that 8psi pulley you're going to be making a bit of heat, especially without the intercooler. more heat means you're more prone to detonation, so less timing can be thrown into the mix. and our motors can usually hold around 425rwhp, so you should be fine as long as you have a decent tune.
5) you should get it to ward off belt slip. i've heard PLENTY of stories of guys getting belt slip, the belt actually extending out a bit and tearing up their radiator hose. and grn 00 gt was running one on his saleen series IV, but he sold his gt for a vette. you might be able to send a pm. he might answer you.
6) intercooler pumps are only necessary with intercoolers. lol
so if you aren't planning on running an intercooler, you won't be able to use one, or a heat exchanger for that matter. a non intercooled setup is quite literally a blower strapped to the heads with nothing else.
7)yeah a dyno shouldn't have a problem tuning it.
8)you could. i would run them to a switchable 12v so that they only run when the car is on. if you just wire them to a positive source then they will always be on, unless you wire in a switch.
and i was just thinking, why you have a heat exchanger and intercooler pump without an intercooler? did the guy screw you and not give you the intercooler? have you separated the blower from the lower intake? there might be an intercooler already in there.