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-   -   General question - minimum boost vs. WG spring rate (http://www.wrxtuners.com/forums/f52/general-question-minimum-boost-vs-wg-spring-rate-42850/)

ShaiDanny 12-22-2013 12:36 PM

General question - minimum boost vs. WG spring rate
 
Hey foIks,

I posted this on the Forester forum and got no reply.

I have a TD04 on my EDM 2001 S-Turbo. Car runs great with Pipercross filter and decat.
I recently installed a GFB G-Force II boost controller (just hooked it up as a boost gauge, not connected to the WG yet). While reading the boost I noticed that it's still on the stock 0.55 bar, and I'm wondering how is this possible. I thought that the minimum boost you can get is the WG spring rate, which is supposed to be higher than 0.55 on the TD04, no?
So how does the ECU and the stock BCS manage to get the boost the same as it was with the original TF035?

Any thoughts?

Thx


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BLAZE2099 12-22-2013 03:19 PM

.55 is almost 9 psi to those of you that are lost.
That's right around the pressure your wastegate opens up at.

..... I think. Damnit I'm a body guy! One of you old heads jump In here!!!!!

pzr2874 12-22-2013 04:48 PM

[url=http://www.convertunits.com/from/bar/to/psi]Convert bar to psi - Conversion of Measurement Units[/url]

Looks like 8psi. Have you done a boost leak test? Where did you run the lines?

BLAZE2099 12-22-2013 07:33 PM

You're correct sir. Almost eight, not nine.
Math isn't my better subject:(

My old bug only read in bar.
It's been a while

ShaiDanny 12-22-2013 11:36 PM

No boost leaks to be found.

It's probably an 8psi spring then...

Thx folks


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