Engine, Intake, Exhaust Modifications to your Normally Aspirated Hyundai engine. Cold Air Intakes, Spark Plugs/wires, Cat back Exhaust...etc.

Manifold Vaccuum

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Old 06-01-2002, 02:32 AM
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Default Manifold Vaccuum

I've install an Elantra GT cams on the Beta motors, and I would like to know with other ppl what kind of manifold vaccuum they are pulling at an idle, it seems a little to rough for my liking.
Old 06-01-2002, 04:40 AM
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20 is normal
Old 06-01-2002, 06:27 AM
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yeah 20is normal, on a cold start mie is 15-17 then when it hits warm or a rev, it goes righ tto 20.
Old 06-02-2002, 01:36 AM
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Thanks guys, that the kind of reading I was getting.
Old 06-02-2002, 01:49 AM
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how can you test your manifold vacumn?




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