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beepbeep beepbeep is offline
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Join Date: Jun 2001
Location: Sweden
Posts: 5,634
A stock 930 engine cannot survive 1.1 bar of boost for a long time without problems. Stock overboost sensor is calibrated to cut power feed to fuel pumps around 1.1 bar (+-0.15 bar). So everything is working as it should. Overboost switch is just trying to save your engine from grenading due to badly installed EBC.

0.9 bar is as high as I would go with stock internals.
Thank you for your time,
Old 08-05-2011, 03:51 PM
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