Quote:
Originally Posted by stinga
Tino, remember that the head requirement on the Walbro pump will be far less than pressurising a fuel system, as a result your flow will increase significantly.
Go back to first principles and estimate your maximum fuel consumption based on injector duty cycle from your previous tunes and etc and see if you can get a head vs flow chart for your Walbro. You do not want to be needlessly generating heat with additional pumps....
Not sure if its worth considering a pressure sensor in the line so that if fuel pressure is not above a predetermined limit Motec won't let you mash the go peddle?
Al
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Thats right Al, a single walbro or even standard sti pump should be able to fill a 5ltr surge tank as it can provide enough fuel for atleast 350 hp atw. All the walbro is doing is acting as a lift pump. Because there is a return line back to the surge tank there should be more than enough fuel that the twin boschs can pump??
Yeh im sorting something out with the motec when the car goes to sean..