overboosting problem
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From: Holland
Originally Posted by Spec_Ops2087,Feb 1 2008, 12:00 AM
That flange would defeat the purpose of the larger wastegate however. You would need to port the manifold hole to ~44mm to match the 44mm wastegate. Also, the placement of the wastegate makes it hard to fit anything taller into the location as the 38mm wastegate is only an inch below the AC line.
Makre sure you have no vacuum leaks anywhere.
Makre sure you have no vacuum leaks anywhere.
So if the 44 isn't going to fit that leaves me with no other option then using 7spi springs with boost control. But I don't know if it's possible to set boost control at 2 different settings, low and high boost?
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From: New Jersey
Originally Posted by YuriArts,Jan 31 2008, 06:16 PM
no vacuum leaks anywhere, it's all steal braided lines. It's nearly impossible to leak.
So if the 44 isn't going to fit that leaves me with no other option then using 7spi springs with boost control. But I don't know if it's possible to set boost control at 2 different settings, low and high boost?
So if the 44 isn't going to fit that leaves me with no other option then using 7spi springs with boost control. But I don't know if it's possible to set boost control at 2 different settings, low and high boost?
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Joined: Mar 2005
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From: Holland
Originally Posted by Spec_Ops2087,Feb 1 2008, 01:21 AM
If you got an electronic boost controller, they have 2 built in settings and if you turn the controller off completly, you can run off the spring. So thats 3 settings total
I hope the 7 psi spring won't limit the high boost setting too much. Normally you won't get more then twice the spring pressure, so that's 14psi. I hope we can get 23psi though. 14 psi is good for low boost.
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From: New Jersey
Originally Posted by YuriArts,Feb 1 2008, 03:17 AM
Thanks Spec, I think that's the way to go then.
I hope the 7 psi spring won't limit the high boost setting too much. Normally you won't get more then twice the spring pressure, so that's 14psi. I hope we can get 23psi though. 14 psi is good for low boost.
I hope the 7 psi spring won't limit the high boost setting too much. Normally you won't get more then twice the spring pressure, so that's 14psi. I hope we can get 23psi though. 14 psi is good for low boost.
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From: Denver, CO
Originally Posted by Spec_Ops2087,Jan 31 2008, 04:00 PM
That flange would defeat the purpose of the larger wastegate however. You would need to port the manifold hole to ~44mm to match the 44mm wastegate. Also, the placement of the wastegate makes it hard to fit anything taller into the location as the 38mm wastegate is only an inch below the AC line.
Makre sure you have no vacuum leaks anywhere.
Makre sure you have no vacuum leaks anywhere.
Boost creep is not caused by the wastegate spring...
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From: Denver, CO
Boost creep occurs when the wastegate cannot flow enough to control set pressure.
This may explain it better http://en.wikipedia.org/wiki/Wastegate
This may explain it better http://en.wikipedia.org/wiki/Wastegate
Joined: Sep 2003
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From: New Jersey
Originally Posted by S2KPANG,Feb 1 2008, 11:19 AM
Boost creep is not caused by the wastegate spring...
