rb25 vacuum nipple question

Discuss the RB20, RB25 and RB26 series engines.
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sleepin240
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Joined: Mon Sep 08, 2003 8:20 am

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as I was working on my rb25 install today and noticed a vacuum nipple on the back of the intake manifold bvy the firewall its on what i guess is a idle air control motor??? anyways Im just wondering if i should cap it or what

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BoostFab
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i believe that small "vac nipple" you're referring to connects to one of the rb's accessories. it's not important, you can cap it off.
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JonPowell
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It should go to the boost sensor for the RB gauges
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