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Booost bypass valve

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Old 06-01-2006, 10:38 AM
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Default Booost bypass valve

My friend sent me to this link last night -

http://www.mccgp.com/upgrades/boostb...ost_bypass.php

Does this apply to the S1? I hope it does as I just did it.
Old 06-01-2006, 10:47 AM
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PLEASE read this

http://www.bonnevilleclub.com/forum/...t=boost+bypass
Old 06-01-2006, 10:53 AM
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UH OH. I didnt plug the vacuum hoses, I just pushed the valve down, That was ok, right? It will be able to dump boost still?
Old 06-01-2006, 11:26 AM
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The linked page is for the BCA optimization, not the bypass. There'* a big difference. Optimization (adjusting the BCA to get into boost quicker by rotating the BCA) is fine. The bypass is the vacuum trick, and CAN be an issue. But that'* not what this topic is about.

While the adjustment you made is theoretically good for performance, it'* not likely to make a noticeable change at the dragstrip. You get into the boost a little quicker (milliseconds), but it does not add power.
Old 06-01-2006, 11:29 AM
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Originally Posted by willwren
The linked page is for the BCA optimization, not the bypass. There'* a big difference. Optimization (adjusting the BCA to get into boost quicker by rotating the BCA) is fine. The bypass is the vacuum trick, and CAN be an issue. But that'* not what this topic is about.

While the adjustment you made is theoretically good for performance, it'* not likely to make a noticeable change at the dragstrip. You get into the boost a little quicker (milliseconds), but it does not add power.
Phew. I feel alot better now. I would NEVER block vacuum hoses. I would never bypass something like that.
Old 06-01-2006, 11:37 AM
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ahhh sorry for the wrong link....I was going off of the title of this thread, not what the procedure actually was
Old 06-05-2006, 08:52 PM
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Hmm, well I did it and drove it today, the boost gauge boosts lower that what it did. Was I supposed to push it to the left-down position or just down?
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