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