RE: large runner 1500 (single ZS) manifold needed

["Randall Young" <ryoung@navcomtech.com>]

> I recently flowed an new stock1.0 inch manifold, 28" of water, manifold
> only, #3 port only, 85cfm.
> I also flowed a 1.25 under the same conditions, 105cfm.

Pardon my ignorance, but why would you use such high pressure differentials
to flow a head ?  Wouldn't just a few inches of water be more similar to
actual conditions ?

Seems like you'd want the valve in there too ?

Randall