Date: Thu, 13 May 1999 22:50:48 -0400 From: "Tim" <vealnopsamulink.com> Subject: Re: boosting the apc
>There are three adjustable screws on my apc (900 16v/t 1987). Turning >the one marked 'P' through about 90 degrees clockwise increases turbo >boost - but what are the drawbacks? ...and how far can it go? Mine was >set at about 1-0-clock, and I've turned it forward to about 5-o-clock. I wouldn't mess with it without running a pressure guage under load (ie: driving) DO NOT rely on the dash guage as it's simply a vacuum guage and actually has little to do with boost pressure. I own the exact same car- 1987 900 3-door Turbo16, and I find just a good tune-up, 97octane gas and just a tad of advance on the timing gives plenty of power. Have you considered an Accelerated Tuning APC chip?
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