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I'm starting my set up for the first time 540 w f2 endrele 80a and my fuel pressure is almost zero at idle and 80 when I hit the gas I have Weldon reg fast efi I'm wondering if my fuel pressure needs to be 42 all the time or just at max rpm or do I need a differnt pump..t he motor runs with a little shot of carb clean to get it going but pops through TB like the timing off but the fuel pressure is Al over thanks for the help
 

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Carb cleaner usually kill an engine, and a pop is usually lean. 0 fuel pressure sounds like it need adjustment to whatever fast specs it should be. Hope this helps
 
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