Should be almost exactly 50 PSI stock at full boost - Saab Performance Bulletin Board - Saabnet.com
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Should be almost exactly 50 PSI stock at full boost
Posted by Alex (more from Alex) on Tue, 19 Feb 2002 13:45:01
In Reply to: fuel pressure guage....how big 0-100psi?, sambo, Mon, 18 Feb 2002 11:58:11
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The fuel pressure regulator will maintain fuel pressure at a certain point above the boost. Your stock FPR is probably 2.5 bar (it should be printed on the FPR itself, which is the thing on the fuel rail that has a pressure line from the intake manifold), and your stock boost level should be about 0.9 bar. This means at full boost your fuel will be at 3.4 bar, or 49.3 PSI. Even with a 3.0 bar FPR, modified APC for 1.5 bar of boost, aftermarket fuel pump, and a rising rate FPR, I don't think you'll exceed 75 PSI.
posted by 152.113.19...
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