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-   -   Vacuum lines connections (https://www.miataturbo.net/diy-turbo-discussion-14/vacuum-lines-connections-14955/)

90turboMX5 12-21-2007 05:51 PM

Vacuum lines connections
 
Hi, Im in the process of installing my turbo and have a couple questions.
I use MSPNP.
First, the MS vacuum line is connected to the cruise control vacuum.
Now, I also have a BOV and my boost gauge. They need a vacuum fitting.
Should I just tap the intake and add 2 more fittings for each one or just connect MS, BOV and boost gauge to the cruise control niple?
Are there any other sources from which I could use a T fitting to connect the BOV and gauge?
Thanks

cjernigan 12-21-2007 08:47 PM

The best place for you to tap into your intake manifold for the MSPNP will be in the middle. The cruise port is noisy and can cause problems in your tuning. You can cut the line going to the fuel pressure regulator and T off of it for the MSPNP. Then you could T off of the cruise port for the BOV and Boost gauge.
What would be a great solid solution would be to add a vacuum manifold to the brake booster line. It would give you a great signal for all three items, or just the Boost gauge and MSPNP. Then tap the cruise port for the BOV.
If you're using a Tial BOV the cruise port will be too small.
You can get a vac manifold here: http://tunertoys.zoovy.com/c=pTlqE42...s_Edition.html

Or go to homedepot and make your own.
I tapped my manifold for two extra ports and am only using one.

sbrian2 12-21-2007 09:10 PM

Ditto on the manifold. TunerToyz one is pimp, but I'm ghetto and use one from McMaster Carr. Part #5469K121, $13.87 and it is black anodized aluminum.

jasonrobo02 12-21-2007 11:08 PM


Originally Posted by sbrian2 (Post 188712)
Ditto on the manifold. TunerToyz one is pimp, but I'm ghetto and use one from McMaster Carr. Part #5469K121, $13.87 and it is black anodized aluminum.

I'm not sure if it would cause problems, but the black anodized one that you linked to is not rated for vacuum. McMaster states in the description that only the nickel-plated or steel versions are vacuum rated. I'm not sure exactly what would prevent the others from functioning properly under vacuum, but it is stated in the description nonetheless. Any thoughts?

sbrian2 12-22-2007 10:15 PM

I've been using it for over a year with no problems. I'm not sure why they say it wont work for vacuum since as long as it is leak free it should work fine.

Stephanie Turner 12-24-2007 12:16 PM

We sell a signal source fitting that goes into the brake booster line. It can accomodate up to three vacuum signals needed. It is $22.50, and includes the hose clamps needed for installation.
Stephanie

http://www.bellengineering.net/Image...s/P8131842.JPG

Mach929 12-24-2007 12:29 PM

pretty cool, you guys are in desperate need of a better website, you have so much good stuff nobody knows you have

Stephanie Turner 12-24-2007 12:35 PM

We are working on it! It should be done around the end of January. And contain tons of little items. :)
Stephanie

Ben 12-24-2007 12:58 PM


Originally Posted by Stephanie Turner (Post 189275)
We sell a signal source fitting that goes into the brake booster line. It can accomodate up to three vacuum signals needed. It is $22.50, and includes the hose clamps needed for installation.
Stephanie

http://www.bellengineering.net/Image...s/P8131842.JPG

That's nice!


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