RE return to fuel tank

[Tom Sharpe]

Greg Hermann wrote:

> The most stable fuel pressure control will be possible if you use a
> variable drive fuel pump,  a pressure regulator,  feedback on what the
> regulator is doing from a fuel pressure transducer, and a controlled
> reference pressure on the back side of the fuel pressure regulator
> diaphram, as well as a fuel temperature transducer to allow proper
> correction for fuel density.

It's a little easier to do, measure the pressure and temp in the fuel rails and
just bleed a very small amount of fuel back to the tank (vent the tank into the
air cleaner) and control the pressure with the pump (ECU).

Regards  Tom