bypass or bov??
Thread Starter
Instructor
Joined: Apr 2015
Posts: 245
Likes: 8
bypass or bov??
one of the two bypass valves are leaking on my procharger. the are located on the bottom pipes i have the twin intercooler setup also. was wondering how should i got about getting a replacement one or change both? what brand should i get? wouldn't mind getting a nice sounds one also. any input would be great!!
Thread Starter
Instructor
Joined: Apr 2015
Posts: 245
Likes: 8
Basically I would just like to know if I can replace my current bypass diaphragm with my boost currently at 7PSI setup with a spring operated BOV with a 7PSI spring without any drive-ability issues?
Race Director
Joined: May 2004
Posts: 16,667
Likes: 1,209
From: Raleigh, NC
St. Jude Donor '15
Turbos use blow off valves
Not the same thing. Replace it with a supercharger bypass valve and it should be fine.
Thread Starter
Instructor
Joined: Apr 2015
Posts: 245
Likes: 8
So how do I go about getting the cool air vented to the atmosphere sound that BOV produce just leave the recir bypass valve like it currently is the pic I uploaded above to achieve that?
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Race Director
Joined: May 2004
Posts: 16,667
Likes: 1,209
From: Raleigh, NC
St. Jude Donor '15
It will never sound like a turbo car if that's what you're after. I can hear mine during shifts when driving aggressively, but bypass valves work opposite of a BOV, it's just how the systems work.
Bypass valves are open when driving easy then close when you get close to 0 vacuum and into boost. BOV's are normally closed then open when there's a surge of air (i.e. during shifts)
Thread Starter
Instructor
Joined: Apr 2015
Posts: 245
Likes: 8
Ok I understand better now thank you for the help.
As far as buying a new one is there a certain brand recommended? What difference would I notice in function from a $50 ebay bypass to a $240 tial bypass? Longevity? wont release at the right 7psi?
As far as buying a new one is there a certain brand recommended? What difference would I notice in function from a $50 ebay bypass to a $240 tial bypass? Longevity? wont release at the right 7psi?
Race Director
Joined: May 2004
Posts: 16,667
Likes: 1,209
From: Raleigh, NC
St. Jude Donor '15
Not a clue what the differences are.. I've got the loud as hell Tial one and it works great, whichever one that is. I know if you get one too small you'll have issues with not being able to dump enough air, surging, etc.
Melting Slicks
Joined: Jul 2004
Posts: 2,844
Likes: 144
From: Northern Ireland
Dont get hooked up on ******** names people call them or miscall them.
As long as it vents air when you close the throttle, the name really doesnt matter as they do the exact same job.
Pro
Joined: Jan 2012
Posts: 672
Likes: 2
@Ri-vette
I would run a solid pipe underneath, and do one "Big Red"Race valve about a foot @ half in front of the throttle body. Basically where the factory intake filter would be.
Procharger Big Red Race Valve: https://youtu.be/9CfQYY0UQlE
I would run a solid pipe underneath, and do one "Big Red"Race valve about a foot @ half in front of the throttle body. Basically where the factory intake filter would be.
Procharger Big Red Race Valve: https://youtu.be/9CfQYY0UQlE
Thread Starter
Instructor
Joined: Apr 2015
Posts: 245
Likes: 8
@Ri-vette
I would run a solid pipe underneath, and do one "Big Red"Race valve about a foot @ half in front of the throttle body. Basically where the factory intake filter would be.
Procharger Big Red Race Valve: https://youtu.be/9CfQYY0UQlE
I would run a solid pipe underneath, and do one "Big Red"Race valve about a foot @ half in front of the throttle body. Basically where the factory intake filter would be.
Procharger Big Red Race Valve: https://youtu.be/9CfQYY0UQlE
what do you mean a solid pipe connecting both valve close? block off those two valves? install one up top?
links and pics would be great!!
Last edited by ri-vette; Apr 9, 2015 at 03:14 PM.
