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