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Old 03-18-2019, 05:41 AM   #18
Merc
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Join Date: May 2017
Drives: Subaru brz 2013 LS1 swap
Location: Phoenix AZ
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Update to my experiment which probably won't really help anybody ever besides neurotic people like myself. After refilling and testing again I got the same results as the first time. I was able to pump approximately 7 gallons fairly quickly and then the pump started to run a little dry with surges of fuel. Conclusion the venturi system is too slow if you need to pump fuel into your engine at a rate of say 2 gallons per minute but should be ok below that.
Disclaimer this is in no way an actual scientific experiment and a variance of 2-3 beers should be added to all calculations, or maybe subtracted.
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