FYI that engine burns roughly 1 gallon per hour and the fuel tank capacity is roughly 40 gallons. So you're potentially facing a considerable amount of run time just to get rid of the old fuel.
After recircing it for the desired time, you might just consider disposing of the fuel. It can usually be disposed of the same as any used motor oil. I would be torn about wasting all that fuel and would base my decision on how bad the results of the recirc were. I'd also consider how well the engine runs on the old fuel and how much you actually have. A quarter tank (10 gal) of fuel is at lot less to dilute out than 3/4 of a tank (30 gal). For the delivery trip you would be well served by keeping a 5 gallon jerry can of diesel and ~10ft of 1/4 inch fuel hose. If something goes wrong you you can plumb a suction from the fresh diesel can. Just in case. Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Jan 30, 2017 8:30 PM, "Bruce Whitmore via CnC-List" < cnc-list@cnc-list.com> wrote: > Out of an abundance of caution, given that the boat I am buying has been > started, but not substantially run (other than for our survey) for about 5 > years, I would like to be extra-cautious about potential fuel tank > contamination. > > I think that the tank is about half-full. At the suggestion of one of our > contributors here, I will patch in a 12v. pump and recirculate the fuel > through my Racor filter for a number of hours in an attempt to polish the > fuel. > > That said, do you think I am better off trying to burn off the old fuel as > much as possible before putting in new (if of course the engine appears to > be running well), or dillute the old stuff with new? > > Finally, does anyone here have experience with Starbrite Star Tron Fuel > Tank Cleaner? While its NOT cheap, I'd rather start off with as clean a > fuel system as possible. The reviews seem to be good (and Practical Sailor > rated their biocide highly), but I don't believe everything I read on the > 'net... :) > > Thanks in advance! > > Bruce Whitmore > > (847) 404-5092 (mobile) > bwhitm...@sbcglobal.net > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > wish to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! > >
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