Which should I believe, Power FC or AVC-R

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02-02-04, 02:35 PM

0110-M-P

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Which should I believe, Power FC or AVC-R

Well the boost readings vary between the two. The Power FC I believe just plugs up to the map sensor and the AVC-R has its own pressure sensor that is T'ed with my boost gauge, going to one of the nipples on the UIM. So which one should I believe?

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02-02-04, 02:40 PM

DCrosby

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Neither they're both made by apexi !

but I'd say the AVCR is going to be more accurate especially above 15 psi...

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02-02-04, 02:59 PM

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the FD guys around here get higher readings with their boost gauges than with the PFC.

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02-02-04, 03:19 PM

rynberg

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The PFC Commander has a known display error for boost. It will display a value lower than the correct one. The PFC still does the correct map look-up for the fuel/timing cells, it just displays wrong.

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02-02-04, 03:25 PM

saxyman990

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PFC displays absolute pressure. Altitude, temperature, and weather will affect the displayed values. Boost gauges display gage pressure. There lies a majority of the difference you may see between the two.