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2-Stage 60mm BOV Concept

 

Generating new designs, let alone new functionality isn’t always easy.  In fact, it takes time, lots of it.  And it takes math, not complicated math, but considerations nonetheless.  Here’s a concept of a large-frame push-type BOV that we’re working on.  Many refinements left to go in the functionality department, but I think we’re getting there for aesthetics.  Let us know what you think.

5 Responses to 2-Stage 60mm BOV concept

  1. bobuga247 says:

    GM should make more cars like the Sky, it is pobissly the only non Chrysler vehicle I would ever purchase. It has an undeniablr cool factor. All the need to do now is make a coupe version that would compete with the Lotus Exige.

  2. sabo578 says:

    The Saturn Sky is the same thing as the GM Germany-Opel GT. Do a search on Google.de for afatrmerket parts. I have seem soome hot body kits as well. There is also a TV series on Speed on Wednesday nights called Setup . They run Pontiac Soltices the same car basically.

  3. sabo578 says:

    I was in the same situation only a few weeks ago. I ended up puhcrasing a Forge Hybrid DV/BOV. It allows you to run either full DV, full BOV, or a 70% DV, 30% BOV hybrid mode. I first tried running full BOV and it worked for a short time, then suddenly wouldn’t push past 5psi boost. The ecu probably wasn’t getting enough recirculated air and throwing off the engine. I am currently running in full DV mode, and the car runs fine. I think ECS sells a HKS SSQV kit for our pesky 1.8 s but I have no experience with how our cars handle them.With the potential for turbo damage, I would recommend just getting a oo7, and combined with an intake, you will hear some whistling from the valve.

  4. Peter Medina says:

    Paulo, I generally agree with what you are saying. But don’t get confused by semantics. Whether you call it a BOV, DV, Diverter Valve, dump valve, recirc valve, etc. They’re all the same thing. The discharge is either recirculated or vented to atmosphere. Yes, MAF equipped cars should not VTA (vent to atmosphere) because discharging metered air after the MAF will only serve to make the engine run rich, since there is a drop in mass air volume for which fuel has already been calculated that has already been injected into the system. So, no, you don’t go lean, you do, in fact, go rich.

    There are many applications that need the use of a BOV vs a DV. Many speed density, or MAP based cars don’t meter the incoming air, so they can VTA without any issues to the engine or system. Believe it or not, VTA is going to yield the highest flow volume possible, and there are many applications out there that are greater than say 500 BHP (which is pretty common today) that could use that type of discharge volume.

    Without going into too much detail, the primary purpose of a BOV/DV is to maximize the boost the pressure in the system and not leak under load. If you don’t believe that I know what I’m talking about, simply go to Google.com/patents and search my name as inventor. I design BOVs and DVs for use in both performance and OEM applications worldwide.

  5. Paulo says:

    ok, i will try to break this down as easily as pssliboe.the job of a bov as you probably know is that it releases built up excess pressure from the turbo.the problem is that most cars that run boost from the factory-VW/Audi Applications, WRX’s, DSM’s, among others, because they are designed with a turbo from the factory they are designed to retain that boost inside the vacuum system instead of releasing it into the atmosphere.If you run a normal BOV on a system like this, all of that air will release to that atmosphere when it should still be in the system, and will cause your engine to lean out and will do potential damage to it. An upgraded diverter valve will make you some noise like you probably want but will not cause harm to the engine.you didn’t buy a weak motor, you just don’t know anything that you’re talking about. learn some things and it won’t seem so weak.

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