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Old 04-02-2005, 07:23 PM   #4
Trust no one
Member#: 11170
Join Date: Oct 2001
Chapter/Region: Tri-State
Location: NYC
02 WRX
15 WRX/05 GTO


The gauge should compensate, the mechanical movement measures the differential between the ambient pressure and the manifold so your elevation makes no difference. Look at the OEM gauges on other cars in your area, you'll probably see some that read zero and some that don't.
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Mulder is offline   Reply With Quote