Anyone know anything about over boosting?
09-Jun-2002, 09:54 PM
#1
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Thread Starter
Join Date: Jun 2002
Posts: 449
Anyone know anything about over boosting?
ok my boost is set at 9 psi and if i floor it above 5200 itll go up a like 13 psi on the gauge...and my ecu opens the bov at 13 as a sefety reaosn...anyone know whats wrong or how i can fix it?
09-Jun-2002, 10:36 PM
#2
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Join Date: Mar 2002
Location: Ontario
Posts: 1,263
Speak with either Cluster, Octane Eddy, TO Tegs, KSR and the like..
Those are a few names off the top of my head who are aquainted with the laws of boosting.
The Law According to OverKill states "Should learn about your car as you build it, not after you buy it".
Regards,
OK
Those are a few names off the top of my head who are aquainted with the laws of boosting.
The Law According to OverKill states "Should learn about your car as you build it, not after you buy it".
Regards,
OK
09-Jun-2002, 11:04 PM
#3
Registered User
Join Date: Apr 2002
Posts: 443
it's called a boost spike, and you should be scared because you can easily blow your motor with a boost spike.
do you have an external waste gate? if so, what kind?
the waste gate regulates boost and boost spikes are usually cause by a vacume leak from the vacume line going to the waste gate
how is the waste gate hooked up? hooking the vacuum source to the intake manifold is not a good idea...
hook it up to the compressor housing and everything should be
fine...
I wouldn't go WOT until you figure this out...update us
do you have an external waste gate? if so, what kind?
the waste gate regulates boost and boost spikes are usually cause by a vacume leak from the vacume line going to the waste gate
how is the waste gate hooked up? hooking the vacuum source to the intake manifold is not a good idea...
hook it up to the compressor housing and everything should be
fine...
I wouldn't go WOT until you figure this out...update us
09-Jun-2002, 11:25 PM
#4
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Join Date: Apr 2002
Posts: 443
OK, just read your other thread about you just buying this car and that it has the GReddy kit...the GReddy kits have an internal wastegate I believe and I'm not too sure how those are set-up. There still should be a vacume line leading to it though so just look for that...
good luck and remember, all it takes is a split second in a lean condition and KABOOM ...you get a rebuild
good luck and remember, all it takes is a split second in a lean condition and KABOOM ...you get a rebuild
09-Jun-2002, 11:35 PM
#6
Registered User
Join Date: Apr 2002
Posts: 443
Originally posted by Steve
hey to tegs you remeber me?
we went out for lunch one day last summer...ilive in aurora?
we went to mcdonalds.?
anyways um,,,if u wanted to come check it out and maybe help fix the problem?
hey to tegs you remeber me?
we went out for lunch one day last summer...ilive in aurora?
we went to mcdonalds.?
anyways um,,,if u wanted to come check it out and maybe help fix the problem?
I friggen know every one these days
I'm kinda busy lately but IM me and we'll hook up...I live like 2 minutes from your house now
09-Jun-2002, 11:42 PM
#8
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Join Date: Apr 2002
Posts: 443
just north of Bloomington...no ICQ sorry, but learn how to use private messaging and shoot me a PM or e-mail me:
hybridteg@hotmail.com
hybridteg@hotmail.com
10-Jun-2002, 12:04 AM
#10
Guest
Posts: n/a
Or maybe you have a crappy manifold. A poorly designed turbo manifold is going to cause resonance in the piping, leading to boost 'creep'. I'm not all too familiar with the Greddy system either but find out what type of manifold and waste gate you're running. Ideally you want the manifold to feed the wastegate from all four cylinders and not just one of them, if this is the case the case it can cause 'creep'.
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