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07-12-2013 #1
*****Problem with dropping fuel pressure. Help*****
Brand new Holley electric fuel pump, pressure at idle is around 5.5-6.5psi at the carb, then after a drive and things get warmed up it drops to ~2psi. I insulated the lines that run close to any exhaust and still the same result. Is the drop to 2psi normal on a Holley 650cfm carb? Engine is a 383 from Blueprint engines.
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