GSR intake manifold...
10-13-2008, 04:09 PM
#2
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Re: GSR intake manifold... (losopontes)
hook it to the IABs like it's supposed to be? Run it to a hose with a bolt in it? What are you trying to accomplish we need more info....
10-13-2008, 04:53 PM
#3
318 Curves, 11 miles
Re: GSR intake manifold... (IndySporty)
^^^^ this is correct. That vacuum source should go to the plastic iab tank that hangs underneath the intake manifold. Then vacuum goes from the iab tank to the iab diaphragm on the drivers side of the intake manifold.
10-13-2008, 06:22 PM
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Re: GSR intake manifold... (losopontes)
ok so i should get a hose and connect it to the circular thing on the right side of the intake manifold on the top??? i had a hose connected to the vaccum source... and it didnt reach and if i ever clogged the hose the engine would shut off.
10-13-2008, 06:48 PM
#5
318 Curves, 11 miles
Re: GSR intake manifold... (losopontes)
no, it should connect to a plastic thing underneath the intake manifold. Then another hose should run out of the plastic thing and up to the circular thing next to the intake manifold.
If you run vacuum direct to the circular thing, your gsr engine will run like crap over 6200 rpm. The circular thing is only supposed to receive vacuum over 6200. There's a solenoid on the plastic tank that opens at 6200 and applies vacuum to the circular thing (the diaphragm). If it's open above 6200, your engine won't be getting enough air at high rpm.
The diaphragm cuts on and off a set of secondary runners in the intake manifold. When it has vacuum, the runners are closed for low rpm. When it doesn't have vacuum, the runners are open for high rpm.
If you don't have the plastic tank, then just plug off the vacuum source for now until you get one. You don't want to run the diaphragm under vacuum all the time because your intake manifold will be half closed all the time. Given the choice, it's better to run open all the time than closed all the time.
If you run vacuum direct to the circular thing, your gsr engine will run like crap over 6200 rpm. The circular thing is only supposed to receive vacuum over 6200. There's a solenoid on the plastic tank that opens at 6200 and applies vacuum to the circular thing (the diaphragm). If it's open above 6200, your engine won't be getting enough air at high rpm.
The diaphragm cuts on and off a set of secondary runners in the intake manifold. When it has vacuum, the runners are closed for low rpm. When it doesn't have vacuum, the runners are open for high rpm.
If you don't have the plastic tank, then just plug off the vacuum source for now until you get one. You don't want to run the diaphragm under vacuum all the time because your intake manifold will be half closed all the time. Given the choice, it's better to run open all the time than closed all the time.
10-13-2008, 06:59 PM
#6
318 Curves, 11 miles
Re: GSR intake manifold... (Vindicator9000)
Look, here's an exact diagram of how it should be setup:
#7 in that picture is the vacuum tank. It looks like Acura originally had a T splitter, and one side went to the fuel pressure regulator. The other side went to the vacuum tank. From there, it runs to the diaphragm.
#7 in that picture is the vacuum tank. It looks like Acura originally had a T splitter, and one side went to the fuel pressure regulator. The other side went to the vacuum tank. From there, it runs to the diaphragm.
10-14-2008, 01:03 PM
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Re: GSR intake manifold... (losopontes)
i think we are thinkikng of different things.. i just checked and that hose is connected to the block. i have 1 like underneath my manifold....
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