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Old 11 July 2002, 01:00 AM
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STI MAN
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I've got 3 gauges fitted to the STi, the Turbo and Oil pressure have MPa measurements?????


Can someone provide me with information on how to 'read' what the gauges are displaying.

Also I was under the assumption that the turbo gauge would only move when the turbo was active, it seems to be linked to the loud pedal in a rev counter kinda way.
Old 11 July 2002, 11:36 AM
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rovo
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Multiply MPa (=Mega Pascal = N/mm2) with 10 and you have got "bar".
Old 11 July 2002, 11:43 AM
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rovo
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1 bar is approximately 14.5 psi
Old 11 July 2002, 12:06 PM
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STI MAN
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Thanks Rovo,


Is the needle meant to be fluctuating regardless of on/off boost?
Old 11 July 2002, 01:24 PM
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Jay m A
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The boost gauge is basically measuring the pressure in the inlet manifold, this changes with revs (although not directly), boost etc. It should show negative readings when idling, off boost cruising etc (pulling a vacuum like a naturally aspirated car); when the figure goes positive then your car is boosting.

Justin
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