Quote:
Originally Posted by 125shifter
Why wouldn't the vacuum coming off the #3 intake work? That's where I get vacuum from my Carrera intake.
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My mechanical VDO 30-0-25 gauge when plumbed on the throttle body reads ~16 PSI vacuum off-boost (e.g. idling, overrun), will show boost building over manifold vacuum.
When fitted to the intercooler (after the compressor): no vacuum, shows +-ve (above 0 PSI = atmospheric pressure) boost only.