How to tell between boost creep and boost leaking?
09-13-2004, 10:11 AM
#1
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How to tell between boost creep and boost leaking?
I've been having this problem with my car. Under low boost (9psi) the boost stays steady, but once i up it to high boost (15psi) It will stay at 15 for a few rpms then slowly drop and settle around 12-13psi. I have a turbo xs dsbc, and a turbo xs rfl bov. The rest of my setup in is the link in my sig.
How can i tell or not if my bov is leaking compared to if i'm getting boost creep/spike?
How can i tell or not if my bov is leaking compared to if i'm getting boost creep/spike?
09-13-2004, 10:42 AM
#3
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Re: (aznballer)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by aznballer »</TD></TR><TR><TD CLASS="quote">for high boost is ur boost set to `15, it seems that the boost is spiking to 15psi and the actual boost is 13psi</TD></TR></TABLE>
I dont know. I have no way of telling if its set at 13 or 15. When my car was tuned we just kept turning up the boost until the injectors were at 90% duty cycle.
I dont know anyone that is boosting up to 15psi to check the mbc with.
I dont know. I have no way of telling if its set at 13 or 15. When my car was tuned we just kept turning up the boost until the injectors were at 90% duty cycle.
I dont know anyone that is boosting up to 15psi to check the mbc with.
09-13-2004, 02:03 PM
#4
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Re: (pip9)
I tried seaching for the threads about the turboxs rfl's leaking at 15psi but i cant seem to find them. Anyone have the link to one?
09-13-2004, 07:58 PM
#5
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Re: (pip9)
I'd vote that you've got the creep.
I've had a leak in my intercooler piping, and all it did was make spooling happen slower.
How are your vacuum lines hooked up? I bet if you post a short description, some guys on here will be able to make some suggestions.
I've had a leak in my intercooler piping, and all it did was make spooling happen slower.
How are your vacuum lines hooked up? I bet if you post a short description, some guys on here will be able to make some suggestions.
09-13-2004, 09:05 PM
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Re: (rhettster)
I think boost creep is when your holding boost, say 15psi and it slowly raises like goes up to 16-17+. Boost spike would be a quick shot up to 16-17+ and then back down. It isn't when it peaks at 15 and drops to 12-13
09-14-2004, 02:29 PM
#7
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Re: (rhettster)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by rhettster »</TD></TR><TR><TD CLASS="quote">I'd vote that you've got the creep.
I've had a leak in my intercooler piping, and all it did was make spooling happen slower.
How are your vacuum lines hooked up? I bet if you post a short description, some guys on here will be able to make some suggestions.</TD></TR></TABLE>
i had a post up before about my setup and if it was creeping and it never really went anywhere. and then i read another thread about the turboXS rfl's leaking so i was thinking maybe that was the problem
I've had a leak in my intercooler piping, and all it did was make spooling happen slower.
How are your vacuum lines hooked up? I bet if you post a short description, some guys on here will be able to make some suggestions.</TD></TR></TABLE>
i had a post up before about my setup and if it was creeping and it never really went anywhere. and then i read another thread about the turboXS rfl's leaking so i was thinking maybe that was the problem
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