2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Old 05-30-06, 08:14 PM
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1 Psi?

Is there anyway I can change the Psi on a TurboII that is leaking boost to 1 psi just so I can make it home? Its a newb questoin but Im just now getting into 2nd gens, Thanks!
Old 05-30-06, 08:15 PM
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Yeah we have about a 200mile trip from orlando to tampa. We need a way to keep the car from boostin since the turbo is blown to high hell. And if it does boost we need to keep it as low as possiable.
Old 05-30-06, 08:18 PM
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keep the pedal off the floor and take it easy...

try to keep the RPMS under 2.5-3K

???maybe keep the wastegate open somehow??
Old 05-30-06, 08:27 PM
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just unbolt a intercooler pipe, it will run fine but all the boost will leak out.
i did it by acident one day
Old 05-30-06, 08:27 PM
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Remove the wastegate acutator rod from the flapper, and tie the arm fully open wiht something. Shouldn't make any boost
Old 05-30-06, 08:36 PM
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Originally Posted by snowball
just unbolt a intercooler pipe, it will run fine but all the boost will leak out.
i did it by acident one day

cant take it totally off though...mine has popped off a few times and it dies
Old 05-30-06, 08:38 PM
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Originally Posted by 88rxn/a
cant take it totally off though...mine has popped off a few times and it dies
stock ECU thing?
ive run mine with no pipes at all
like right after i did the TB mod
Old 05-30-06, 08:41 PM
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stock ECU thing?
YEP!!
gotta love the AFM!
Old 05-30-06, 08:45 PM
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Originally Posted by 88rxn/a
YEP!!
gotta love the AFM!
totaly forgot about that thing
Old 05-30-06, 09:06 PM
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Car cannot run with any disconnected IC piping. If your turbo is shot I can only imagine that you will not have as much power. I have never experienced this problem myself so perhaps someone else can elaborate.
Old 05-30-06, 09:11 PM
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open the wastegate with something. All the exhaust will escape without spinning the turbo blades.
Old 05-30-06, 09:11 PM
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Wire the wg open...
Old 05-30-06, 09:18 PM
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in normal driving and running lik 40% power my gauge reads 10 vac and whne i push it pushes
Old 05-30-06, 11:45 PM
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Originally Posted by TurboIIRyan
Remove the wastegate acutator rod from the flapper, and tie the arm fully open wiht something. Shouldn't make any boost
Do this.
Old 05-30-06, 11:48 PM
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Won't make any boost unless you have an exhaust large enough to overwhelm the wastegate... hehe
Old 06-01-06, 08:02 PM
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would the car perform alright with it like that?
Old 06-01-06, 09:32 PM
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sure!!
you just wont make POWA!
Old 06-02-06, 02:00 AM
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The turbo is still gonna be turning thousands of RPMs,theres still airflow across the turbine and compressor blades no matter what you wire open or bypass.That means the already shot turbo bearings are gonna get worse and the whole time you could be grinding housing/fan material off the inside of the compressor and feeding it into the intake.

Short of towing the car,if you dont care about wasting the turbo the rest of the way,and dont want to feed the engine metal shavings,then get some pipe and hook up the AFM to the inlet of the intercooler somehow.It doesnt have to be pretty,just needs to be secure.That will completely bypass the turbo cold side and the engine will be completey N/A.
Itll sound damn weird,but any carnage from the turbo eating itself to death will NOT be pumped into the engine.If the hotside decides to eat itself up too,the shavings will just go out the exhaust.
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