the autometer gauges i've used in the past have led me to one conclusion...don't buy them.my last autometer boost gauge (in the Z31T) would start to read obscene quantities of vacuum if I drove for long periods of time. on a 1 hour drive it would eventually get pulled down to the needle on vacuum side. my Apexi gauges and my Blitz electronics w/built in gauges have always corresponded with one another. and 0 is normal for an engine when turned off unless you have a weird engine and all the intake and exhaust valves close completely when you turn your engine off.
rich '91 300ZXTT Stage 4+
 Z32.org
My Hero ghozttz32 = AIM
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