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#1
03-26-2005, 07:07 PM
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boost leak..
ok heres the deal.. im running on a total stock 96 GST, xept i got a 3'' custom pipe from the cat on back.. no cats.. my car runs very weird, i cant stomp on the gas cus if i do i run at 14 psi of boost at 3000 rpm but then as soon as i do, my car starts to bog down and i go no where, as to where my car is bout to choke or die out.. and at 5psi ( i dont stopm on the gas but keep my foot to where i have it at 5 psi but rpm gradually goes up) a loud hissing noise starts to arise.. ppl say its a boost leak, others say i have too much boost for a stock turbo or wutnot.. some one pls help, wut is it and how can i fix it?!? thnx
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#2
03-26-2005, 08:11 PM
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Re: boost leak..
You need to make yourself a boost leak tester..
www.vfaq.com has the plans to make one... One thing that probably doesn't help is if you have the 2gen BOV...they suck! Go from turbo to throttle body and check ALL pipe connections/hose clamps... The only way to find where a boost leak is, is if you pressurize the intake system and listen for leaks... Checking your plugs gaps doesn't hurt also... Some good plugs to go with are the NGK BPR7ES and gap them at .027.... DO A SEARCH for boost leaks... this topic has been covered many times... I to had posted about possible leaks when I was a noob.... As for the stock turbo...I believe the most you really want to boost at is 15psi otherwise the turbo is getting worked TOO hard....
__________________
"A man's greatest work is to break his enemies, to drive them before him, to take from them all the things that have been theirs." -Ghengis Khan
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#3
03-26-2005, 09:06 PM
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Re: boost leak..
dude i went there i cant find where to make it.. and how do you pressurize the intake?.. srry for all the questions but i dunno alot of this stuff.. only 17 and my first turbo induction car.. =\
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#4
03-27-2005, 12:22 AM
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Re: boost leak..
Did this problem accurred b4 or after you did your custom exhaust? Remove the throttle body elbow and the hose from there on, also the L hose (where bov sits on) and last, remove the J pipe/hose going from turbo into intercooler. Clean and look for holes on those hoses/pipes. Remember to clamp them real hard when u reinstall them. This should fix your problem. I had the same problem when i installed my *S* pipe from dejontool, found out it wasnt clamped all way.
__________________
new 2006 Scion tC - 5spd -magnaflow catback http://www.cardomain.com/ride/2088489 ~~~R.I.P (7-2-05)~~~ 1998 Eclipse Gst - 5 spd 
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#5
03-27-2005, 08:35 AM
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Re: boost leak..
http://www.vfaq.com/mods/ICtester.html
There ya go....
__________________
"A man's greatest work is to break his enemies, to drive them before him, to take from them all the things that have been theirs." -Ghengis Khan
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#6
03-27-2005, 11:01 AM
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Re: boost leak..
thnx guy appreciate all the help here my ride http://www.cardomain.com/memberpage/792679
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#7
03-27-2005, 11:40 AM
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Re: boost leak..
If you can't find the boost leak, check for ignition problems--spark plugs, plug wires, etc.
__________________
1996 Eagle Talon
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