I don't know what you mean by "FI"... That usually means Fuel Injection... As far as the fuel rail, it's a single inlet, non-recirculating system... I haven't run a fuel pressure on the rail yet, but I think Woody has. I pulled the injectors to clean them and ship them off to Doug Garriott at Linder Technical Services http://www.lindertech.com/reconinj.htm to have them flow tested and balanced...

I'm thinking of building a split rail system with two fuel feeders out of billet aluminum that will house larger flow injectors... But fist I have to find-out what the flow rating of these injectors are and what the OEM fuel pump is rated at so I can get a higher pressure pump to handle dual lines and higher flow injectors... The hard part is going to be finding injectors that have the same pin-out and diameter as the OEM so they can be plug-n-play...

I'll keep the board informed as I get more information...