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911st 911st is offline
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Join Date: Jan 2004
Location: Sacramento
Posts: 7,269
What did you see from your Tial?

I had to buy .7 bar to maintain about .8 to .85 bar with my shorty headers.

Makes sense if the guide is adding friction it could effect opening and boost.

I am still not getting that the exhaust pressure is a variable in when the WG opens. I do not recall any mention as to this was made in the video I linked to above so please have patience with me on this.

If exhaust pressure is a variable it seems it would make for boost spikes until just before the exhaust pressure is released.

If the exhaust pressure is not a variable, then boost would be more stable.

Again, I have not studied WG's so this is a new area to me. I need to do some study on this.

Old 04-18-2010, 01:44 PM
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