I'm running the XDI pump and (drilled) factory line, and I've never had any problems.
I've installed at least 3 or 4 of the Full Race Pumps. The adapter is not a direct fit, there is wiggle room for the 10mm allens that screw the adapter to the base plate on the engine, there are no lock nuts...
I met the Continentals on Friday, got the alignment done Saturday, and was back out on the track Sunday driving it! Just flesh wounds. It'll be back in one piece again!
Many of us had a rough weekend at the Annual VIR Type R track day. I crashed into some tires, another car lost brakes and found a wall, which resulted in an injured driver and a totaled car, another caught fire, and another developed a fuel leak. The lucky few that survived the weekend in one...
SR11's aren't great. I've known of 3 cars know where they induce crazy vibrations when you aren't even touching the brakes, and they don't modulate...they're just an on/off switch.