Originally Posted by
velociabstract
Stock rail, stock pump, stock injectors, almost stock power with this retune. I may have picked up some air in the fuel lines as I was running the car near empty but I've seen spikes before. I forgot to log all my runs so I'm not sure. Note to self, write down everything as close to real time as possible! A fuel pressure gauge at the rail is coming soon. At my power levels and boost levels no one believes I'm running out of fuel .... unless the fuel pump is going out.
Les
Hopefully the fuel pressure gauge will be on a hose so you can monitor it while at WOT. Or, maybe can find a pressure transducer and log it during a run to see if fuel pump is keeping up with demand.