It's been pulled, and no issues.
My first GoPro video!
Melting Slicks
Joined: Aug 2008
Posts: 3,451
Likes: 27
From: Bay Area CA
Nice video......by the way - I don't think that's compressor surge. That's just the sound of the turbosmart BOV with a filter on it, I had the same sound. When I removed the filter, it was more of a WHOOSH sound
Thread Starter
Le Mans Master
Joined: Nov 2009
Posts: 6,119
Likes: 156
From: Huntington tx
Not going to worry about it.
But now I know how the BOV works!!!!
Melting Slicks
Joined: Nov 2003
Posts: 3,266
Likes: 5
From: Germantown, TN
Nice video Rick!!!
I do have some feedback. The dice have to go....LOL, but not so much because of the movement, but because it blocks a good deal of the road. The road along with the angle you used add to the video or the "experience".
As you get better with the GoPro & the editing software, adding music also makes the video "more" of an experience or fun. You can control the volume level on the music as to still hear the engine & exhaust notes.
I've been using GoPro w/some apple editing software & I'm hooked!!!
I do have some feedback. The dice have to go....LOL, but not so much because of the movement, but because it blocks a good deal of the road. The road along with the angle you used add to the video or the "experience".
As you get better with the GoPro & the editing software, adding music also makes the video "more" of an experience or fun. You can control the volume level on the music as to still hear the engine & exhaust notes.
I've been using GoPro w/some apple editing software & I'm hooked!!!
Last edited by 3318C5; Sep 10, 2013 at 09:37 PM.
Le Mans Master
Joined: Sep 2009
Posts: 6,937
Likes: 348
From: My interests are mobile
On my Z06, the only way to get rid of the surge was to change the bov to a higher cfm unit. Inevitably, putting on a 230.00 bov is much preferred to damage on the head unit, as well as straining the belt. Your supply line to the bov could be collapsing and not opening valve all the way as well. Another possibility is that your bov vacuum source is poor. There are multiple possible reasons.
Neglecting fixing it is foolish. I've designed custom forced induction systems for over a decade. I've seen turbo's destroyed by surge. It beats the bushings/bearings out of them, can even damage the compressor wheel itself. With cheap chinese turbo's I've even seen the compressor housing split in half.
Saying you're going to leave it is like saying you're just going to let your engine keep experiencing detonation. You have pressure with nowhere to go...it's going to damage something sooner or later.
Just trying to help you out...but I guess you're busier smiling "ear to ear".
Last edited by RC000E; Sep 10, 2013 at 06:24 PM.
Thread Starter
Le Mans Master
Joined: Nov 2009
Posts: 6,119
Likes: 156
From: Huntington tx
It's 100% compressor surge...that's not how it sounds. By removing the filter, you increase the potential cfm capability of the bov. If you removed the filter and the surge went away, then you got the flow necessary to relieve the surge.
On my Z06, the only way to get rid of the surge was to change the bov to a higher cfm unit. Inevitably, putting on a 230.00 bov is much preferred to damage on the head unit, as well as straining the belt. Your supply line to the bov could be collapsing and not opening valve all the way as well. Another possibility is that your bov vacuum source is poor. There are multiple possible reasons.
Neglecting fixing it is foolish. I've designed custom forced induction systems for over a decade. I've seen turbo's destroyed by surge. It beats the bushings/bearings out of them, can even damage the compressor wheel itself. With cheap chinese turbo's I've even seen the compressor housing split in half.
Saying you're going to leave it is like saying you're just going to let your engine keep experiencing detonation. You have pressure with nowhere to go...it's going to damage something sooner or later. Just trying to help you out...but I guess you're busier smiling "ear to ear".
On my Z06, the only way to get rid of the surge was to change the bov to a higher cfm unit. Inevitably, putting on a 230.00 bov is much preferred to damage on the head unit, as well as straining the belt. Your supply line to the bov could be collapsing and not opening valve all the way as well. Another possibility is that your bov vacuum source is poor. There are multiple possible reasons.
Neglecting fixing it is foolish. I've designed custom forced induction systems for over a decade. I've seen turbo's destroyed by surge. It beats the bushings/bearings out of them, can even damage the compressor wheel itself. With cheap chinese turbo's I've even seen the compressor housing split in half.
Saying you're going to leave it is like saying you're just going to let your engine keep experiencing detonation. You have pressure with nowhere to go...it's going to damage something sooner or later.
Just trying to help you out...but I guess you're busier smiling "ear to ear".
Melting Slicks
Joined: Aug 2008
Posts: 3,451
Likes: 27
From: Bay Area CA
I say yank the bov filter. It only blows outwardly so it won't cause any issue. I've been running without a filter for 2 years
Thread Starter
Le Mans Master
Joined: Nov 2009
Posts: 6,119
Likes: 156
From: Huntington tx
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Le Mans Master
Joined: Sep 2009
Posts: 6,937
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From: My interests are mobile
You guys need to learn how stuff works....
Melting Slicks
Joined: Aug 2008
Posts: 3,451
Likes: 27
From: Bay Area CA
Thats not correct at all. The bov spring is at a rate that the bov opens under full vacuum. Therefore the bov, at idle and under decel is opened and sucking air unfiltered. I have run open bov's for many yrs, but understand, you are sucking unfiltered particulate matter into your engine, thus into your engine oil before that is then filtered. In the process though, this matter can lodge in ring lands, get pounded into valve seats causing leakage, wear valve guides, etc.
You guys need to learn how stuff works....
You guys need to learn how stuff works....
I've had my hand on it while the engine is at idle - if it sucking in air, then it's the most minuscule amount. All I felt was air blowing out.....
Le Mans Master
Joined: Sep 2009
Posts: 6,937
Likes: 348
From: My interests are mobile
There are periods of directional change depending on throttle position. If they didn't allow air in, then cars with suck-through MAF setups would be able to run an open bov without recirc. This is why many DSM guys convert to GM MAF's...referred to as a blow-through MAF....then they can run opened bov.
Melting Slicks
Joined: Aug 2008
Posts: 3,451
Likes: 27
From: Bay Area CA
Melting Slicks
Joined: Sep 2006
Posts: 2,728
Likes: 142
From: Iowa
Sounds awesome!! The fluttering sound would drive me nuts, not to mention the issues it could/will cause.
I'm running 12lbs of boost through my car with the upgraded BOV from A&A and I can still barely hear it over my exhaust.
I'm running 12lbs of boost through my car with the upgraded BOV from A&A and I can still barely hear it over my exhaust.