That's not far above MSL so the Numbers that are being discussed are probably

close enough ~ If It was ReallyHot & ReallyHumid there than that Might start having

a Significant Influence ~

                                                        ORR

On 17 Nov , 2016, at 10:40 PM, mfmagnani@sbcglobal.net wrote:

> I'm doing all this work at Van Nuys Airport. Elevation 790 feet. What are your thoughts?
> Mike M
> 
> Sent from my iPhone
> 
>> On Nov 17, 2016, at 8:02 PM, OlRivrRat <OlRivrRat@COMCAST.NET> wrote:
>> 
>>       Mike ~ There a lot of important numbers being tossed around except 1 Very Important 1 ~
>> 
>> What Density Altitude are You doing this Testing @ ~
>> 
>> 
>>> On 17 Nov , 2016, at 7:08 PM, David Beierl wrote:
>>> 
>>> At 20:36 11/17/2016, Michael Magnani wrote:
>>>> Could my fuel pressure regulator be the source of my low fuel pressure?
>>> 
>>> Your fuel pressure isn't low, your pressure regulator is working
>>> correctly.  However if you quoted the figures correctly, you have low
>>> vacuum (high manifold absolute pressure) at idle.  According to
>>> Bentley p. 24.55, at idle you should be seeing around 29 psi on the
>>> gauge, which would correspond to about fourteen inches of vacuum in
>>> the manifold, but you're only seeing about seven inches of vacuum.
>>> 
>>> Yrs,
>>> d
>