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Message: [QUOTE="lincolnlocker, post: 332400, member: 944"] i have a 5/8ths pickup to a carter 4600 lift pump to a 40gph 7mic water/fuel separator to a brand new walbro to the stock fuel bowl and filter... its dropping pressure when on the throttle... up to 15psi at times... well was 15psi at times, but after the new pick up, it drops around 10psi now... been threw hell and back trying to figure out why my fuel is dropping... while i had it at beans for my live tune session in dec 2010 we set the fpr spring at 65psi and would only drop 3-4psi on the dyno after jonathan put a new walbro in it... since then, that walbro took a **** so i ordered a new one and installed that with the prepump filter. was still dropping up to 15psi so i installed the carter, still dropping psi, so i installed the 5/8 pick up, still dropping, so i put new filters in it, still dropping but only around 10psi... been emailing beans to ask what they think and they got back with me quickly that way. thanks BEAN for the quick reply's... right now its set at 75psi and drops to 65psi... just wondering what you all think i should check for now? sh!t i found in the tanks stock pickup tube. [/QUOTE]

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