Monday, June 05, 2006 - 02:36 pm, by: Adam Collins(Adrock)
I had a local exhaust shop install my HKS sequential BOV a few weeks ago, while getting some work done, and I think they haven't done the job properly as its not making anymore noise than when I just had the stock valve. Where should the vaccuum line to the BOV go to?
Monday, June 05, 2006 - 03:34 pm, by: Tim Appleton(Timbo)
Usually it connects to an inlet manifold line (ie. after the throttle body). The vacuum in the manifold when the throttle shuts causes the BOV to open.
Monday, June 05, 2006 - 04:07 pm, by: Adam Collins(Adrock)
Ok that's where it connects to. I've still got the stock BOV hooked up, I know there is a way to keep your stock valve on there so you don't need to buy a block off plate, should the vacuum line for the stock BOV be blocked off or what?
Tuesday, June 06, 2006 - 08:41 am, by: David Cassells(Davetoyostar)
Make sure the little black bolt on the rear of the HKS BOV is all the way out, this will allow it to open! Just be sure to undo the locking nut before trying to turn it.
Tuesday, June 06, 2006 - 01:35 pm, by: Marc Vipond(04awe)
Adam I don't know if you have had much experience with HKS SSQV's but they are not BOV's renowned for incredible noise. In fact the noise they emit is more like a whistle I find (some people unfortunately choose the term "wet fart" to describe the noise made?!?). I think you should try and track down a site that has an audio clip of a SSQV upon a car of similar specifications to your soarer and have a listen. Here is one on a WRX if that's any help http://www.dropshots.com/vew just click on the first picture of the WRX.
Tuesday, June 06, 2006 - 03:10 pm, by: Adam Collins(Adrock)
No Marc I'm definitely not getting a sound like that. This BOV is the SQV, not to be confused with the newer SSQV, but yes David I have unscrewed the bolt on the rear of the valve. I'll have another look to see if anythings askew. It's a secondhand unit that came with the car, what's the possibility that the spring needs replacing?
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