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-   -   Boost creep? (https://www.homemadeturbo.com/forced-induction-7/boost-creep-18223/)

y49crxsi 03-31-2004 05:21 PM
Boost creep?
 
Well, i searched and check teh faq's, but what exactly is, and what causes boost creep. and is it any different than boost spike. After reading how a guy blew his motor becuase of a boost spike, im trying to avoid any situations where this might happen. Any info is appreciated, thanx.

turboboy 03-31-2004 05:22 PM
Re:Boost creep?
 
creep is when the wastegate cant flow enough to keep the boost down. happens a lot with big turbos and small internal gates.

y49crxsi 03-31-2004 05:33 PM
Re:Boost creep?
 
Ahhhh, so i really shouldnt worry about it on an internally wastgated ihi, where the stock exhaust size is like 1.75", lol. ITs tiny.

turboboy 03-31-2004 05:42 PM
Re:Boost creep?
 
you never know, talk to others with them, it matters more how well the wg flows

Chacko 03-31-2004 06:22 PM
Re:Boost creep?
 
Porting out the wastegate helps a little but as far as I thought, boost creep was the reverse of a spike isn't it? Its where the turbo can't hold a consistent pressure and slowly "leaks" boost away. Because of how sensitive the actuators are on the internal wastegates?

turboboy 03-31-2004 06:24 PM
Re:Boost creep?
 
Originally Posted by Chacko
Porting out the wastegate helps a little but as far as I thought, boost creep was the reverse of a spike isn't it? Its where the turbo can't hold a consistent pressure and slowly "leaks" boost away. Because of how sensitive the actuators are on the internal wastegates?
thats just a small turbo

Chacko 03-31-2004 06:58 PM
Re:Boost creep?
 
:)


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