Date: Sun, 10 Sep 2000 13:07:10 -0400 From: Terence Chapman <tchapmannopsaminia.edu> Subject: Re: 900 SPG APC Gauge question
The APC is designed to prevent overboost and knocking (from lower octane fuels), so that is a normal needle position. It may go into red zone briefly under heavy load and max accel and/or at hi altitudes. You may briefly enter the red zone if you use hi octane (92 or higher) fuel. the above assumes an otherwise correctly functioning system.
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