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Blue Blood



Member Since: 14 Jun 2022
Location: Shropshire
Posts: 138
United Kingdom 1990 Defender 90 200 Tdi HT Bonatti Grey
Alloy fuel tanks
Hi all just wanted to pick everyone’s brains. I think my fuel tank has a slow leak. It is the tank that’s mounted under the driver seat for a 200tdi engine. I was just thinking why aren’t they made out of aluminium? I didn’t know if it were worth while getting a fabricator (specialising in fuel cells of course) to create one to sit in the same position with the same mounting tabs and everything with baffels to stop fuel sloshing around. I suppose my question is why aren’t these available already on the market??
Or am I missing something blatantly obvious? Any thoughts or help is much appreciated.

Regards Blue
Post #1043373 20th Aug 2024 9:53pm
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TexasRover



Member Since: 24 Nov 2022
Location: Paris
Posts: 1247
France 2002 Defender 110 Td5 DCPU Chawton White
Aluminium is more susceptible to cracking. Also more expensive and whats wrong with the original design, I believe you can still buy replacements no?
Post #1043396 21st Aug 2024 6:13am
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Blue Blood



Member Since: 14 Jun 2022
Location: Shropshire
Posts: 138
United Kingdom 1990 Defender 90 200 Tdi HT Bonatti Grey
Yes replacements are still readily available but I just wanted to know if there was an option that could have even more longevity in it by material choice. I know some fabricators produce stainless steelvv no tanks too but mostly for marine based applications
Post #1043400 21st Aug 2024 7:27am
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2326
United Kingdom 1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey
They used to be available in other materials. I bought a stainless underseat tank for my old 90 about 20 years ago.
Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey
Post #1043432 21st Aug 2024 10:07am
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Zed



Member Since: 07 Oct 2017
Location: In the woods
Posts: 3355
United Kingdom 2010 Defender 110 Puma 2.4 XS CSW Santorini Black
Give Allisport a call. WARNING.
This post may contain sarcasm.
Post #1043433 21st Aug 2024 10:07am
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Blue Blood



Member Since: 14 Jun 2022
Location: Shropshire
Posts: 138
United Kingdom 1990 Defender 90 200 Tdi HT Bonatti Grey
Mo Murphy wrote:
They used to be available in other materials. I bought a stainless underseat tank for my old 90 about 20 years ago.
Mo

I had seen some fabricators offering stainless but the prices are eye watering!!
Post #1043439 21st Aug 2024 10:52am
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Blue Blood



Member Since: 14 Jun 2022
Location: Shropshire
Posts: 138
United Kingdom 1990 Defender 90 200 Tdi HT Bonatti Grey
Zed wrote:
Give Allisport a call.


Good shout I may hit them up to scratch their brains and see what they would suggest.
Post #1043440 21st Aug 2024 10:52am
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2326
United Kingdom 1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey
Blue Blood wrote:
Mo Murphy wrote:
They used to be available in other materials. I bought a stainless underseat tank for my old 90 about 20 years ago.
Mo

I had seen some fabricators offering stainless but the prices are eye watering!!


One time purchase though ! Fit and forget. I'm not sure I'd want an aluminium tank given its exposed position to road muck and salt and the fact that it'll be bolted to a steel chassis no matter how well you'd try to isolate it.
The most cost effective solution is to change to a TD5 / Puma plastic rear tank with a rear filler from YRM. That'll last forever and you'll get a 20l capacity boost to boot.

Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey
Post #1043454 21st Aug 2024 1:39pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20780
United Kingdom 
Anything of interest here:
https://devon4x4.com/catalogsearch/result/...e_make=315

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Post #1043458 21st Aug 2024 1:45pm
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