Vac brake question

[gmpower]

Looking on the NAPA site, they have the vacuum brake setup for sale with either the single or dual diaphragm. Would both of these work on a GN?

 

[cruzn57]

use the dual diaphram

it will give more assist at low vacumn levels.

 

[gmpower]

Ok thanks, Lee.

 

[turbojd]

it will give more assist at low vacumn levels.

X2