The switch with the blue hoses connected is for adjusting distributer advance/retard on warm up. The switch with the tan hose is for the smog pump system. You connect the larger off center port on the decel valve to the intercooler and the smaller center port back to the intake manifold or some here let it breathe out to atmosphere with just a small hose connected.
Like this.
http://forums.pelicanparts.com/5098721-post11.html
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'87, Modified WUR, Billet valve, 965 downpipe, Kokeln intercooler, GHL headers, Garrett T04B K27 hybrid, Tial w/.8 bar, WEGO IV, RarlyL8 dual out, LSD
Last edited by oilonly; 03-06-2011 at 05:46 PM..
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