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i need help with my vacuum lines

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Old Feb 20, 2009 | 05:47 PM
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Default i need help with my vacuum lines

I have sts rear mount. the wastegate has a top port and a side port nipple. I have one nipple on the pipe near the middle on the car going to the intake. I have a turbosmart boost controller. I bought a vacuum block and the boost gauge mounts there. also running a three port catch can, with both valve covers going to it, i have two check valves plus an air oil seperator running from the intake to the catch can. the bottom port of the catch can runs to the housing on the turbo. if this makes any sense to you please help.
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Old Feb 20, 2009 | 08:07 PM
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Run everything that requires vacuum to the vacuum block. There is a sticky that shows the routing of the vacuum lines with a boost controller.

As far as the catch can goes, I haven't seen a three port catch can. You also said you have the bottom port going to the housing of the turbo. If you are talking about on the compressor housing, thats not right. It needs to go to the inlet of the turbo between the air filter. There is also a good thread floating around about the routing of catch cans on forced induction vehicles.

Edit: Found it, check out post 70: https://ls1tech.com/forums/generatio...outing-ok.html

Last edited by 98Camarod; Feb 20, 2009 at 08:12 PM.
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Old Feb 21, 2009 | 03:32 PM
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thanks, Im going to run everything from the vacuum block. thats a lot of vacuum line.
so i install a nipple on the intake side of the turbo
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Old Feb 22, 2009 | 02:23 PM
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ok i welded a nipple on the intake tube in between the turbo air filter and the turbo itself. As for the boost controller. I have a vacuum line running from the vacuum block to the bottom port on the wastegate and I'm going to splice the boost controller into this line and run to the top port on the wastegate. does this sound right??? also should i splice the line from the vacuum manifold to the wastegate for the msd boost a pump.(same vacuum line)
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Old Feb 23, 2009 | 11:32 AM
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That thread is based on an N/A car.
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Old Feb 23, 2009 | 02:40 PM
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Originally Posted by 4SFEDSS
That thread is based on an N/A car.
Negative, thats why I said see post 70. There are setups for FI and N/A
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Old Feb 23, 2009 | 02:41 PM
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Originally Posted by pdasterly
ok i welded a nipple on the intake tube in between the turbo air filter and the turbo itself. As for the boost controller. I have a vacuum line running from the vacuum block to the bottom port on the wastegate and I'm going to splice the boost controller into this line and run to the top port on the wastegate. does this sound right??? also should i splice the line from the vacuum manifold to the wastegate for the msd boost a pump.(same vacuum line)
I don't have a boost control so unfortunately I can't help on that. Like I said though, I seen it in the sticky though that will help you route your vacuum lines.
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Old Feb 23, 2009 | 07:32 PM
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My mistake. All these catch can diagrams are frustrating me.
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