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ravill 02-05-2013 02:49 PM
Blow Off Valve in Supercharger
 
Question good folks:

When equipped with a Blow Off Valve (BOV) with a supercharger (A and A e.g.), when the supercharger is NOT making enough pressure to overcome the vacuum in the manifold, does the BOV suck air IN to the intake manifold?

Thanks!

speedraider 02-05-2013 03:14 PM
Originally Posted by ravill (Post 1583041353)
Question good folks:

When equipped with a Blow Off Valve (BOV) with a supercharger (A and A e.g.), when the supercharger is NOT making enough pressure to overcome the vacuum in the manifold, does the BOV suck air IN to the intake manifold?

Thanks!
On the nicer kits the BOV is bolted onto the intercooler. When your not into boost it is releasing the pressure, so its blowing out.

Drewstein 02-05-2013 03:22 PM
No, the spring keeps it shut.

turbotuner20v 02-05-2013 03:22 PM
Originally Posted by ravill (Post 1583041353)
Question good folks:

When equipped with a Blow Off Valve (BOV) with a supercharger (A and A e.g.), when the supercharger is NOT making enough pressure to overcome the vacuum in the manifold, does the BOV suck air IN to the intake manifold?

Thanks!
It will never suck air in, there's no need for a filter (if that's where you're going). Filters do minimize the sound of the BOV though.

ravill 02-06-2013 12:37 PM
Thanks guys!


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