OK
 What am I missing here, on the first statement above??? All the port fuel

injected

auto engines "I" work on, have fuel return lines. The fuel pressure regulator

is

mounted to the fuel injector rail (RX-7s fall into this category) and the

return

line starts at the regulator and goes back to the tank from there.

 Most auto electric fuel pumps will generate in excess of 100 psi. How do you
expect to maintain 40-60 psi, if you don't return the excess fuel???
Charlie Kuss
RV-8 riveting wing main skins on
Boca Raton, Fl.

The idea is you put a tee in the line back at the tank right after the
pump so the line going forward to the engine is 40-60 psi.

I think George is setting us up on this Charlie. :-) Here is a page from
the Bosche handbook. Cute George :-)

Charlie Kuss wrote:
 
  I figured as much! It looks like a situation where a corporation tries to put the
best face on an a**ine decision made by the bean counters ( who now run auto
companies, rather than engineers). Of course this system cuts costs due to lower
parts count and reduced assembly line labor.  I'd just love to see how that system
works on a 95 degree day waiting in traffic here is S. Florida.
CAN YOU SAY VAPOR LOCK?
Charlie

 
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