I have a 1981 240D which has the optional second fuel tank. I wanted to know if the second tank is the tank at the back of the trunk, and if so, can it be removed to make room for a WVO tank? If it can be removed what do I need to consider to make sure I don't mess up connections to the main tank.

Thank you in advance for any information, assistance or for pointing me in the right direction.

Pictures? There was no second tank as an option so whatever extra tank is back there was installed by a past owner.

The original tank is between the back seat and the trunk, below the back windshield deck.

I might be interested in the aux tank if you do remove it.
Where about are you located?
Thanks,

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Gary
Experience is something you get, Just after you needed it....
'99 E300 295K, '83 300D 220K, '75 240D 185K sold
'80 MCI Bus Conv DD 6V92TA, w/4 cyl. Kubota diesel GenSet 12.5KW

The original owner was my father who said he got the 'extra tank' when he purchased the car from the dealer. Maybe a dealer add-on? I thought the additional tank was the one in the trunk, but couldn't find what looked like a second tank anywhere else. (Never thought to search before.) I haven't tried filling it up, but my dad said it takes about 40 gallons fully fueled and can make it from Los Angeles to Portland, OR, without stopping to refuel. Is the tank in the picture a standard tank or is that a larger capacity replacement?

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The one in your pic is definatly not an OG/OEM part. Someone added it on.

Found the original tank. It's behind the one in the picture. No way to see it except by pulling out the first-aid kit and looking down. Smaller than I expected.

I appreciate all the help. I now have a better idea of what's going on and can now check if there's a way to remove the second tank and replace it with a WVO tank.

cessna5354, I'm located north of San Diego, and if you're interested in the tank email me at trentmb {a.t} pacificstar.us I'll save your information in case I decide to remove it.

If you next tell us you want to take out a manual transmission to put in an automatic - we'll know you're crazy!


Just joking - don't you know people WANT those tanks here?

Ken300D

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1982 300D at 351K miles
1984 300SD at 217K miles
1987 300D at 370K miles

Why don't you make the auxillary tank you Vegetable oil tank???? Seems like it would handle the mods to me!

I like driving a standard, but I'd like this one more if the rubber boot around the shift would stay attached to the thing that's suposed to hold it. Any ideas there?

Any ideas on how to do that? I'm still reading up on the different companies that sell the kits, and trying to find a solution that's reliable and as easy as possible to set up.

Buy a new boot.....

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Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John

Glue?

I did. It's the new one that doesn't stay in place.

Is glue the preferred method of attaching them? Thought maybe I was missing a clamp or fixture of some sort.

That's what I did. A drop of superglue in each corner. Enough to keep it in place but still easy to remove without damage.

Contact the company that sells the kits and tell them you have a tank and give them the measurements! Kits usually DON"T include the tank. That is something you have to order separately at additional cost! You already have one that you know fits really well because it's been there for a long time! You could save yourself a few hundred bucks! Since you already have the tank set up, you just cleared one of the hardest parts! You will need 2 things to start, a way to make the tanks operate independently, and a way to keep your WVO warm. Take plenty of pictures you can download to the kit makers and see who comes up with the best plan at a price you can afford! And by all means, keep us in the loop! I can't wait to see how it turns out!