I’ve had a Fuelab AFPR (Adjustable Fuel Pressure Regulator) sitting in my toolbox since mid-summer before we started the timing job. Worse than that, I’ve had my Walbro 255 since I was still working on the old 420a shell. In order to use the
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I’m replacing the stock fuel pressure regulator in the eclipse with an adjustable one. This will not only let me adjust the base fuel pressure to compensate for higher boost if needed, but will also prevent larger fuel pumps from overrunning the regulator and causing
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