Bov on a supercharger? Da hell?

Skyline4life · 01-02-2008, 11:35 AM

YouTube - Synchronic BOV on Comptech S2000

Or do they only work since its a Centrifugal supercharger, and wouldn't work on Root, and twin screw..

sounds pretty neat with the SC and the BOV

jeremy0203 · 01-02-2008, 11:55 AM

yeah im pretty sure its cuz its centrifugal, guessing its since its the way it compresses the air and then it is sent into the intake manifold instead of being compressed there at the manifold

jeremy0203 · 01-02-2008, 11:55 AM

that would be sick tho

liquidr1 · 01-02-2008, 04:08 PM

Yep, BOV works with Centrifugal S/C's.

vtecmike1 · 01-02-2008, 07:02 PM

i don't see the need. boost is controlled by the pulley either way. and over boost is basically impossible. unlike turbos.. unless you'd be adding it just for the sound... aka rice.

WhiteSicivic06 · 01-02-2008, 07:08 PM

Im not sure boost is controlled at the pulley. Arent S/C making the same amount of boost always? I thought they had stepper motors in them to do this. But either way,....once your boosting and you get off the throttle and the plate closes a BOV would be needed.

liquidr1 · 01-02-2008, 07:58 PM

My understanding is that the Centrifugal S/C is spinning way faster than a roots type charger much like a turbo moving more air through a pipe to get to the intake.

The throttle body is after the Centrifugal S/C so once the throttle body closes there is a buildup of pressure inside the piping pushing back on the turbines inside the Charger (much like a turbo) So the pressure needs to be vented to remove strain on the fins of the turbine and piping.

Where as in a roots type setup the S/C is between the throttle body and the manifold and a boost bybass valve opens and just sucks air from the intake while not under boost.

From what i have read on the Comptech S2000 system most people are only using a BOV after upping the boost levels.

***sohcBOOST*** · 01-02-2008, 08:05 PM

its not the first or last, its just so much beter to put a diverter valve than a BOV

01-02-2008, 11:35 AM	#1 (permalink)
Skyline4life Senior Member Join Date: Dec 2005 Location: Mundelein, IL/Tempe, AZ Age: 22 Posts: 4,021 Evan	Bov on a supercharger? Da hell? YouTube - Synchronic BOV on Comptech S2000 Or do they only work since its a Centrifugal supercharger, and wouldn't work on Root, and twin screw.. sounds pretty neat with the SC and the BOV
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01-02-2008, 11:55 AM	#2 (permalink)
jeremy0203 Senior Member Member Join Date: Jun 2007 Location: Saint Marys, GA Age: 26 Posts: 2,406 Jeremy	yeah im pretty sure its cuz its centrifugal, guessing its since its the way it compresses the air and then it is sent into the intake manifold instead of being compressed there at the manifold

01-02-2008, 11:55 AM	#3 (permalink)
jeremy0203 Senior Member Member Join Date: Jun 2007 Location: Saint Marys, GA Age: 26 Posts: 2,406 Jeremy	that would be sick tho

01-02-2008, 04:08 PM	#4 (permalink)
liquidr1 Senior Member Join Date: Jun 2006 Location: Greensboro NC Age: 28 Posts: 4,101 Dustin	Yep, BOV works with Centrifugal S/C's.

01-02-2008, 07:02 PM	#5 (permalink)
vtecmike1 Senior Member Join Date: Nov 2007 Location: Simi Valley Age: 27 Posts: 3,950 Mike	i don't see the need. boost is controlled by the pulley either way. and over boost is basically impossible. unlike turbos.. unless you'd be adding it just for the sound... aka rice.

01-02-2008, 07:08 PM	#6 (permalink)
WhiteSicivic06 Senior Member Join Date: Nov 2006 Location: Huntington Beach Age: 31 Posts: 7,064 Ryan	Im not sure boost is controlled at the pulley. Arent S/C making the same amount of boost always? I thought they had stepper motors in them to do this. But either way,....once your boosting and you get off the throttle and the plate closes a BOV would be needed.

01-02-2008, 07:58 PM	#7 (permalink)
liquidr1 Senior Member Join Date: Jun 2006 Location: Greensboro NC Age: 28 Posts: 4,101 Dustin	My understanding is that the Centrifugal S/C is spinning way faster than a roots type charger much like a turbo moving more air through a pipe to get to the intake. The throttle body is after the Centrifugal S/C so once the throttle body closes there is a buildup of pressure inside the piping pushing back on the turbines inside the Charger (much like a turbo) So the pressure needs to be vented to remove strain on the fins of the turbine and piping. Where as in a roots type setup the S/C is between the throttle body and the manifold and a boost bybass valve opens and just sucks air from the intake while not under boost. From what i have read on the Comptech S2000 system most people are only using a BOV after upping the boost levels.

01-02-2008, 08:05 PM	#8 (permalink)
*sohcBOOST* VIP Member Join Date: Jan 2008 Location: The OG of boosted R18's Age: 25 Posts: 566 Enrique	its not the first or last, its just so much beter to put a diverter valve than a BOV

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