Fuel Lines and Pumps, what'll fit? lots of ??'s Options

[3liter914-6]

Hi folks, I apologize in advance for some of the questions being ones I could figure out just by looking under my car, but I'm out of town for a few days to help a sick friend out, and want to get some parts ordered up because I want to get this together in time to drive it to Hershey.

I posted a while back asking about the fittings on the 914 gas tank, and got some good answers. Based on that thread, I was originally going to go with -8 fittings welded to outlet and return ports on the tank, but am now reconsidering this as
A. I can't find anyone to weld on a gastank, and don't really want to do it myself.
and
B. -8 fittings might be a little overkill. Google says that -6 is good up to at least 350hp.

What I was thinking of doing now is taking the stock nuts that hold the fuel pipes in place on the tank, cutting the holes a little bigger, sticking -6 male connectors through and welding them up. I think this should work and wouldn't pose any danger, but anyone who sees a fallacy in my thinking, please pipe up.

Ok, so now I'd have -6 connectors, will I be able to just run some hose back through the firewall. I was thinking of connecting the old hose up to the new one, duct taping it together use the old line to pull the new line through. I know the old line is a little smaller (AN -6 is ~3/8" size), but will the -6 still fit through or am I going to have to enlarge some holes. I can access the fuel lines through the cover in the pass compartment, right? I'd like to use bulkhead fittings, but can't think of a way to do it without cutting up the car, is it doable?

Ok, next round of questions, fuel pumps. I bought my SDS setup from a guy who was going to install it on his turbo VR6, so for the price it came with the mother of all fuel pumps.
(IMG:http://www.capa.com.au/pics/sx_sidepump.gif)
It's good for 700+hp. -10 inlet and outlet, etc etc. Overkill to the extreme. It's nice, but doesn't really fit with my needs, and I think I can throw it on ebay get another pump and come out ahead. The question is, what pump? I found one that looks nice, MSD2225 (IMG:http://www.msdignition.com/fuel/2225_big.jpg)
43 gph@40psi $99, but as you can see it has nipples for the inlet and outlet. It seems like the only aftermarket FI pumps that have AN fittings are like the one I alread have--huge and expensive. I've done all sorts of searches and looked a bunches of OE Bosch pumps etc, but haven't found one that seems usable given that I need to be at -6 for the TB fuel rails.


So to briefly recap the important questions,

Will -6 slip through the holes already in the firewall?

Is there a way to use a firewall/bulkead adapter without slicing the car up?

Is there a fuel pump that has threaded fittings that are AN or NPT, or is there a safe way to get from a nipple to AN?

Oh yeah, and I guess if anyone knows about how much I'll need to get from the tank back to the fuel pump, that'd be nice too.
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Thanks for your help, anybody who reads through this whole thread deserves a beer so if you see me at Hershey (and I hope you will), lemme know and I'll get ya a tasty beverage of your choice.

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thanks!

Adam