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Subject:Re: 2.1 WBX Warm Start Troubles
From:David Beierl
Date:Fri, 18 Nov 2016 06:55:11 -0500
At 00:40 11/18/2016, Michael Magnani wrote:
>I'm doing all this work at Van Nuys Airport. Elevation 790 feet.
>What are your thoughts?

At roughly one inch of mercury per thousand feet elevation, even if
engine vacuum changed 1:1 (which it certainly does not) you would
see  half a psi change in running reading (1 psi is 2.03... inches of mercury).

Yrs,
d