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Message: [QUOTE="TARM, post: 76786, member: 578"] Sorry if you have posted this somewhere else but what pump are you running? FYI the pumps only runs for a 30 seconds per key rotation. It can take 2-3 or more x just to get the pick up to prime. Then it still has to fill the all the filters etc. Ways to help when priming. Crack open the post pump filter. This puts no pressure on the pump to build pressure and it can put all its efforts into sucking fuel. LOL Another thing is to prefill the water fuel sep just as you would pre fill a oil filter. This gives the pump some fuel to flow thru it which will create a stronger vacuum to pull up thru the PU. You want to fix this issue for good. Install a ball valve cut off or check valve right before your first filter head the water fuel sep. Between it and the tank. That will help you keep your prime on filter changes and also make them much less messy. But if not doing as I stated and filling the water fuel sep and cracking open the post pump final filter will allow the fastest priming. Also you are running a reg return so there is no air to clear out once your pressure at the regulator is showing full and steady. BTW all pumps should be running a check valve right after the pump outlet. It prevents drain back and reduces pressure fluctuation or pulses at the pump which will lower wear and stress on it. [/QUOTE]

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