Originally Posted by Cronic
NORMALLY you do. Some people run boost sources for the guage (2 guages) off BOTH. This is to judge pressure drop from the intercooler. Not to mention, some people are just not very intelligent when it comes to this stuff, and they install it off the WG vac line.
I have never see anyone run 2 boost guages daily driving for that? Who cares how much pressure drop there is across the core. not like u can fix it. w/out replacing the core.