On 2/12/04 9:41 AM, "Scott Stout" <squiggles@yahoo.com> wrote:

> In a NA 13b setup, using the stock fuel pressure regulator what is the
> pressure on the fuel rail?  Is this the ideal pressure?
>
> Driving this question is I have to have to get fuel return fittings
> welded to my tanks, well the highest point on the tank is not in the
> easiest of spots to plumb to, thus I would like to return to a point
> about half way down the tank.  So, not only does the fuel have to be
> pumped up 40" or so it also has to overcome 5gal or so of fuel weight
> above the return fitting.  External to the rotary lists, some of those
> who I have floated the idea with have said the engine will run rich as
> the fuel rail pressure will increase.  However, it doesn't seem to make
> sense to me as the pressure in the fuel rail will probably be higher,
> much higher, than the pressure needed to overcome the push through the
> return fuel line.
>
> What are your thoughts?
>
> Thank You.
>
> -Scott
> http://home.att.net/~the_stouts_zenith_801/
>

Scott, I would install a bent tube going up just under the top of the tank.
This way you will avoid the backpressure of the fuel
 --
Bulent