Dual fuel tank setup boat

I had them put a 12 pipe drain in the rear bottom corner of each tank. Or you can use high pressure pumps in.

It has multiple advantages.

Dual fuel tank setup boat. Two suction lines from the top of each tank brought together at a 4-way valve left right both and none the output of the valve connected to the fuel pump. Once you have drawn fuel from both tanks turn the valve to both switch off the engine and go home. I had them put a 12 pipe drain in the rear bottom corner of each tank.

The 12p goes to 8 on each side to a common block next to pump area then to 12 an filter to 12 to pump. Will support anything flow wise and always keeps tanks with equal fuel. Yeah this dual tank setup is working out really nice.

It will be pretty much hidden or at least hard to see and I do feel better having one tank up at carb level not that pumpers really need this so much but I do think it makes starting easier. I think you have a couple options. Get a fuel selector that has the ability to return fuel to the appropriate tank.

Run the fuel back to a small third tank. A diagram of a typical fuel tank setup for a single tank - Prior to January 1 2012 Click on the image for full size References. 33 CFR Subpart I.

Fuel Systems USA Recreational Boat Fuel System Regulations. CONSTRUCTION STANDARDS FOR SMALL VESSELS Section 7. Some people have moved the pickups on the tanks to the bottom for electric pumps but honestly I wouldnt recommend it.

The reason is that with any small fuel leak hosefittingetc and you will end up with a bilge full of fuel. Thats the reason for the top pickups on the tanks think its a Coast Guard regulation but not sure. Dual portable gas tanks Install the two portable tanks and connect each tank to a 3-way valve then a single line from the 3-way to the back of the boat.

The 3-way valve is on-off-on so you can choose which tank to draw from or shut them all off. I want to install a random fuel tank from another vehicle 15 gals or so under the spare tire area. I will cut the fuel filler pipe an add a tee that will go the aux tank inlet.

Both tanks will always fill at the same time. I will add a fuel pump switched in the cab to transfer fuel from the aux tank to the main tank when the main gets low. I have a question on the dual fuel tanks in my boat I thought I had asked this question a while back but couldnt recall the answer and cant find the post nowforgive me if this has already been asked.

I have dual 25-ish gallon tanks in my 03 classicnot a 33gal tank and 10gal kicker they are definitely dual 25-ish gallon tanks. If so you want to use both tanks at the same time so you do not get a list as one tank gets empty. Since the two motors should use about the same amount of fuel toggling the gauge between the tanks is not necessary until you start to run low.

Adding a second filter to an existing system is a fairly straightforward affair. The fuel setup in my boat has two simple ON-OFF valves one for each tank at the two inputs to the RACOR filter which is below an access hatch right beneath the helm position so the tank change isnt all that bothersome. Most dual tank set ups use an electric pump in each tank and a check valve that prevents cross feeding.

Most in-tank pumps are low pressure delivery pumps such as Ford that feeds into a high pressure frame mounted pump. Or you can use high pressure pumps in. This video is a response to one of my Facebook friends who asked me how I did the Dual Fuel Tank mod to my OFNA 95 MBX.

Here it is in detail If you have a. The point is with dual tanks once the first tank is empty the second tank works just like having a single tank. And you will not get any more bubbles in the feed line to the engine than with a single tank.

And if you are getting bubbles in the second tank before the first tank is empty you have issues with the setup of the first tank. Remount your fuel filter water separator up under the gunnel in the stern of the boat near a scupper. The spin on type filters head will have multiple inlets and outlet.

Plumb each tank into a seperate inlet with a manual shut off valve on each. It has multiple advantages. 100 control with virtually zero percent failure potential.

Installing fuel tank selector valve 1986 Winnebago this will work with any dual tank with return fuel lines. Connecting 2 fuel tanksdraw from both. Make sure you understand how the fuel pump system works.

The fuel pump in a conventional nautical system simply sucks the gas from a height of several feet using an engine driven mechanical pump or a crankcase driven vacumn operated pump. If the fuel level remains below the carb level then air tight. In this video I install a water separating fuel filter into my boat the Green Machine.

All ouboard motors have small fuel filter inside them but a larger e. Engineered right for the recreational boating market. Replacement fuel pick-ups fuel caps and sight gauges for 95 of the portable fuel tanks in the marine industry Direct factory replacement parts for your portable fuel tank.

Moeller Marine Manual Vent Fuel Tank Cap 62150110. For tanks which dont have a bottom outlet youll have to use the TD4000s top-mounted sensor named Top Mount Tank Spear and cut a hole into the top of the tank if there isnt one already. The key to a durable composite diesel tank is a thick well-cured epoxy coating.

If you find a composite tank isnt for you consider a custom aluminum tank. Aluminum is easy to work with fabrication is reasonably priced and it is PSs preferred diesel tank material. See the May 2007 article on diesel tank replacement to find out why.

Theres quite a few fuel solenoids that will work fo rthat. Most F150s through F350s with dual tanks Rams and even GM garbage had switchable tanks with electric solenoids that will do the trick. Some even have 6 port configuration that allow you to return to the same tank you pull from.