What do you use for the brake booster pipe on the 2jzgte intake aristo motor?

SimpleMKIII

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Oct 17, 2008
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Riverside, Ca
Need some help fellas, was wondering what you guys use to make the aristo pipe for the brake booster on the intake manifold bigger? Do I have to tap and put a barb hose in? I tried to find a link to anything, but only came up with 1jz stuff. Taking my intake off to replace the gasket and was figuring on doing it while its off. I just put a smaller hose and then a bigger over it for the longest time. Just want to make it work right whilst I have it off.
 

hvyman

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Apr 17, 2007
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It should be the same size as the stock one. 3/8ths or -6an hose.

If yours is different get a 7m or 1jz fitting.
 

hvyman

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Apr 17, 2007
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No such thing. It uses vacuum not pressure.

should look like the fitting on the top at the back of the intake manifold.

2jz-twin-turbo.jpg
 

SimpleMKIII

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Oct 17, 2008
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Riverside, Ca
Yes, whatever it had to increase the vaccum. They said it supposed to have a bolt ontop. I dont see one though. Driftmotion said I may have to tap and put a dash 6 fitting.
 

Aleo24

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Aug 15, 2011
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Perth
Mine doesnt have a bolt on top either. I ended up getting taking off the small 4mm fitting near where the map sensor fits and put a fitting put on the inside of the manifold and running a 3/8 line from that. You can sort of see it in the photo.

 

SimpleMKIII

Member
Oct 17, 2008
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Riverside, Ca
Are you talking about the hole with the filter? Where ppl usually put thier aftermarket map sensor at? Mine has a freeze plug looking thing on the back side of the intake near the brake booster, like the ones on cyl blocks, but the size of a dime. Was wondering if theres threads behind it.
 

Aleo24

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Aug 15, 2011
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Perth
I dont think there are threads behind the core plug. The small black inline filter? If so then yes, i took it out and put a fitting to a 3/8 barb.
 

Jeff Lange

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Mar 29, 2005
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Easiest to drill and tap, the Aristo used a hydraulic brake booster, so there was no vacuum port on earlier engines.

Alternatively you could get a Supra/later Aristo upper intake manifold and then you would already have the appropriate hole.

Jeff