Ok. So here's where I'm at now. I have the Jax fuel tank, from Jack/Kinetic Vehicles, and just ordered a Walbro GSL-392 & 400-939 kit--the 255lph pump with 5/16" barb fittings.
I plan on using this:
http://www.partsamerica.com/ProductDeta ... Code=4026B
as my pre-pump filter, and I still need a good filter for the fuel rail end. I don't have the stock Miata filter. Will it be able to handle 255lph? Will the fuel rail regulator, for that matter?
Now I am going to need a 90-degree elbow going from 8AN to 3/8 or 5/16 barb, some rubber hose from the tank to the pre-filter, more rubber hosing from the pre-filter to the pump, and then I'm a little confused. The pump has barb at both ends, so I think what I'll want is a small length of rubber hose, and then a 5/16 barb to hard line adaptor, with hard line going through the transmission tunnel. Once it comes out in the engine bay, I will need another hard line to barb adaptor, some hose from the adaptor to the main filter, whatever that may be, and then finally, from the filter to the rail. I then will have to do the return line, using rubber hose from the rail to the transmission tunnel, a barb to hard line adaptor, another at the end of the tunnel, and then rubber hose to the second 5/16 barb to 8AN adaptor.
Where am I going to find these? I've looked everywhere, mainly Jegs and Summit, and most of these aren't there. Any ideas?
http://www.jegs.com/webapp/wcs/stores/s ... howValue=1
Is that 8AN to 8AN hose, or is that 3/8?
Also: is there any reason why I can't use the second sump 8AN fitting for my return line, or does the return line have to enter from the top? I figure at worst, I could add some sort of residual valve...