Quote:
Originally Posted by RambleJ
Doesn't the ECU have to adjust for altitude? And when it does, depending on the altitude can compensate up to around 10.2 psi on stock program? If so then wouldn't the ECU have to adjust timing for that change in boost?
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The engine doesn't care about boost. It only cares about absolute pressure. Which is the atmospheric pressure PLUS Boost. In your case of high altitude when the DME induces higher boost, the atmosphere pressure is correspondingly lower. The total (absolute pressure) is always the same.
Shiv