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356 aux gas tank/ Need to siphone old gas out?
- ozarkboater
- Scurvy Dog
- Posts: 2
- Joined: October 10th, 2016, 6:48 pm
- Vessel Info: SEA KRITTER 1999 CARVER 356 MOTOR YACHT
Lives in Omaha Ne. boats In Missouri Lake of the Ozarks - Location: LAKE OF THE OZARKS MO.
- Has thanked: 2 times
356 aux gas tank/ Need to siphone old gas out?
I want to siphon every bit of fuel out of the tank before I use it. The boat is in the water of course, so the tank is lower than where I will be siphoning from. I was wondering if any one had an idea of the best way to go about this? By the spec sheet there is 7 ft. of hose from filler cap in the rear of boat to the tank. Or should I be thinking of the opposite direction and try to drain it from the fuel line at the supply valves, and how would I go about this?
Any help or ideas would be appreciated... Bill
- mjk1040
- Admiral
- Posts: 1507
- Joined: July 30th, 2015, 8:15 am
- Vessel Info: 1998 355 AC/MY "Deja Vu"
- Location: Savannah, NY
- Has thanked: 9 times
- Been thanked: 236 times
Re: 356 aux gas tank/ Need to siphone old gas out?
I'd Rather Be Boating!
1989 Sea Ray Seville
1986 Carver Mariner 32'
1990's Thompson 22' Cuddy Cabin
1990's 4Winns 245 Vista Cruiser
1980's Thompson 19' Open Bow
-
- CYO Supporter
- Posts: 5803
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
- Has thanked: 431 times
- Been thanked: 1586 times
Re: 356 aux gas tank/ Need to siphone old gas out?
- ozarkboater
- Scurvy Dog
- Posts: 2
- Joined: October 10th, 2016, 6:48 pm
- Vessel Info: SEA KRITTER 1999 CARVER 356 MOTOR YACHT
Lives in Omaha Ne. boats In Missouri Lake of the Ozarks - Location: LAKE OF THE OZARKS MO.
- Has thanked: 2 times
Re: 356 aux gas tank/ Need to siphone old gas out?
thanks Bill
- mjk1040
- Admiral
- Posts: 1507
- Joined: July 30th, 2015, 8:15 am
- Vessel Info: 1998 355 AC/MY "Deja Vu"
- Location: Savannah, NY
- Has thanked: 9 times
- Been thanked: 236 times
Re: 356 aux gas tank/ Need to siphone old gas out?
I'd Rather Be Boating!
1989 Sea Ray Seville
1986 Carver Mariner 32'
1990's Thompson 22' Cuddy Cabin
1990's 4Winns 245 Vista Cruiser
1980's Thompson 19' Open Bow
-
- CYO Supporter
- Posts: 5803
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
- Has thanked: 431 times
- Been thanked: 1586 times
Re: 356 aux gas tank/ Need to siphone old gas out?
mjk1040 wrote:Source of the post Don't use a shop vac. greater chance of an explosion or fire. Buy or borrow an oil vacuum extractor. It'll take sometime at 6 or 7 quarts at a time. Or and explosion proof extraction suction pump.....
++1
You can also rig up an electric fuel pump with some fuel line.
- km1125
- Admiral
- Posts: 3342
- Joined: February 28th, 2017, 6:04 pm
- Has thanked: 57 times
- Been thanked: 968 times
Re: 356 aux gas tank/ Need to siphone old gas out?
You can buy a low cost fuel pump and pump most of it out via the aux line... that would be fairly easy. But it would only get you to the low end of the pickup tube. Also, if you know which end of the tank the pickup tube is on, you can list the boat to get even more out.
Then, take the berth apart and get to the sensor opening and use the pump again with a hose that goes to the bottom of the tank. I put a low-cost in-line filter in before the pump just so you don't suck any debris into it an ruin it early in the process.
This two-step process would minimize the amount of time you'd have to have the berth taken apart.
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