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Flop Tube Length

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Cameron

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I am using an oversize fuel tank from Benny Davis on my Eagle build. It is a little longer than stock so the original length flop tube will probably be too short. Anyway, I bought a 15" long flop tube from AS&S. If I install the tube and turn the tank so that the front side is up, so that the flop tube is simply hanging, how close should the pickup be to the rear side of the tank? Right now, I've got about 1 3/4" of clearance between the end of the pickup and the rear wall of the tank. Seems like I could put a 1" longer flop tube in there. Would a longer tube be better or worse? What's the "standard" pickup to rear wall clearance?
 

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