Boost spike/creep... help?

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Old Oct 11, 2005 | 05:59 AM
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Default Boost spike/creep... help?

hey guys, ive got my setup all ruff tuned and ive been playing with it a little...ive got all the maps tuned up to like 10psi in the boost section (with uberdata) and then i just put in a 5-6psi wastegate spring... now the problem is, when i boost, it will stick around that mark of 5-6 psi... but sometimes when im really pushing it in the higher rpms i see boost creep.. sometimes even up to 10psi! i mean it doesnt worry me all that much, cause i have it conservativly tuned in the higher psi anyhow...what might cause this? vacc leak? i have the dump tube running back into the DP if i did that to close to the turbo itself would that cause the creep? the wastegate is just an ssautocrap one.. but i have heard that those have worked well on others cars... thanks for the help...
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Old Oct 11, 2005 | 07:02 AM
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Default Re: Boost spike/creep... help? (turboH22Aakkord)

bump... a lil help?
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Old Oct 11, 2005 | 07:11 AM
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Default Re: Boost spike/creep... help? (turboH22Aakkord)

Post a pic of the manifold and wastegate dump please
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Old Oct 11, 2005 | 07:13 AM
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Default Re: Boost spike/creep... help? (raene)

yea,its most likely manifold design flaws
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Old Oct 11, 2005 | 07:21 AM
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Default Re: Boost spike/creep... help? (raene)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by raene &raquo;</TD></TR><TR><TD CLASS="quote">Post a pic of the manifold and wastegate dump please </TD></TR></TABLE>

jesus man.. id love to... but i dont have a camera let alone the computer knowledge to post the picture on here haha but ill try to explain it....

ive got an ssautocrap mani (custom braced a bit) and im running a 3" dp and about 6" from the turbo exhaust outlet i have the DT worked in... its kinda angle cut to help the exhuast flow better... i mean if this is the problem ill just rig up and open DT .... thanks guys...
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Old Oct 11, 2005 | 07:26 AM
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Default Re: Boost spike/creep... help? (turboH22Aakkord)

ssac manis are known to creep... take off you wg and look at the massive piece of metal blocking the wg hole
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Old Oct 11, 2005 | 07:30 AM
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Default Re: Boost spike/creep... help? (turboH22Aakkord)

if you could find the SS autocrome mani that you used on a website and gave us a link that would also help. Generally with poor WG placement when u open up to a 3" exhaust u can see boost creep especially if you have a cheap WG. However it is prolly the crap Mani. You can find a mani for a decent price if u dont want to fork out for an inline pro. I think there is a guy on Team-integra selling a drag mani for $175.
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Old Oct 11, 2005 | 07:38 AM
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Default Re: Boost spike/creep... help? (Bitchin_Teg)

yeah i bought that mani back in the day.. like almost 2 years ago before i was really a member of this site and before i knew how shitty there stuff was...i was gona do a manifold upgrade soon anyhow... is there a mani that i could buy that i wouldnt have to do much DP modification (like lengthening it) the wierd part is.. it only spikes every once in a while....
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Old Oct 11, 2005 | 07:49 AM
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Default Re: Boost spike/creep... help? (wantboost)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wantboost &raquo;</TD></TR><TR><TD CLASS="quote">ssac manis are known to creep... take off you wg and look at the massive piece of metal blocking the wg hole </TD></TR></TABLE>

can i grind that bitch down?
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Old Oct 11, 2005 | 07:52 AM
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Default Re: Boost spike/creep... help? (turboH22Aakkord)

yea
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