MOTOBRICK.COM
MOTOBRICK.COM => The MBdotCOM Community Center => Topic started by: TimTyler on June 27, 2012, 09:46:48 PM
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I like to use high-test in the bike, but I think 90% of the fuel a typical gas station sells is probably the low octane cheap stuff.
So on a pump with one hose and multiple octane selections, does that mean the previous buyer's fuel choice is preloaded in the 12-foot hose + the pump's internal plumbing? How much gas do you think that might be? I wonder how sophisticated those pumps are. I suppose that if they were smarter than I expect, the pump might return the undelivered hose fuel to the source tank after the sale is complete.
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The pumps aint that smart. You do get a dollop of regular if that's what sitting in the hose. With a typical 12-16 gallon fill up it would be insignificant, but may lower your octane a point with a 4 gal fillup. Just guessing.
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I would also think that the hose and internal piping would be filled with the last fuel selection dispensed.
as far as length, there is probably close to 8 foot of pipe internal to the dispenser that you can't see behind the panels. I can't say for certain exactly what size it could be, but a guess would be 3/4".