Fuel Tank Options?

[mattw 2]

On a recent track day I was experiencing quite a bit of fuel surge so I was considering a swirl pot.

 

However I have a couple of friends with race cars that have aluminium fuel tanks in the boot which should solve the surge problems anyway (with a foam baffel). However their cars have a separated boot area (one is a classic mini and one is an anglia) from the main cabin. Obviously the 205 has no bulkhead between the boot and cabin areas so just wondering on the safety of putting a new tank in the boot. This route seems less hassle and expense than fitting a swirl pot and new pump etc.

 

So I was wondering what other people have done? The other thing I considerd was placing a swirl pot into a sealed box in the boot for safety?

[Anthony 1,003]

Another option that is often championed by Petert and I believe a few members on here have done is to have the standard tank cut down and plastic welded, although I've no personal experience of it to comment on effectiveness or costs.

[allye 530 3 Cars]

A few people have mounted the in the boot and as Anthony says sunk them in the boot floor to keep the weight low, I know its a 106 but it give you a good idea

 

http://forum.205gtidrivers.com/index.php?showtopic=107689&st=10

 

I have no experience of 205's on track but from what I gather the majority of people have no major issues with the standard tank. Nice and low too

[mattw 2]

Could sink it but that loks like a bit of a mission! Maybe a swirl pot would be easier. Just worried about the fuel being in the cabin though.

[Anthony 1,003]

A few people have mounted the in the boot and as Anthony says sunk them in the boot floor to keep the weight low, I know its a 106 but it give you a good idea

That's something else entirely and not what I was talking about.

 

This link shows what I'm talking about, which is seemingly a proven, straightforward and cheapish solution to the problem (3rd post down onwards).

[harryskid 193]

On my rally 205 i have a half size alloy tank and its fitted on drivers side in normal position. The pick up pipe is located in an internal baffled part of the tank. My fuel pump is a remote one which i've installed in a sealed alloy box in the back. This set up i find works really well. Of course i also have a tank guard fitted.

[stu8v 68 1 Cars]

You could always mount the swirl pot under the bonnet with its additional pump, no issues about the cabin space then.

[mattw 2]

That's something else entirely and not what I was talking about.

 

This link shows what I'm talking about, which is seemingly a proven, straightforward and cheapish solution to the problem (3rd post down onwards).

 

Looks like a good option. Is plastic welding strong/safe enough?

 

 

On my rally 205 i have a half size alloy tank and its fitted on drivers side in normal position. The pick up pipe is located in an internal baffled part of the tank. My fuel pump is a remote one which i've installed in a sealed alloy box in the back. This set up i find works really well. Of course i also have a tank guard fitted.

 

Do you have any photos of this set up?

 

You could always mount the swirl pot under the bonnet with its additional pump, no issues about the cabin space then.

No space in the engine bay at the moment, that would involve relocating the battery which I suppose isn't a massive problem.

[Tom Fenton 1,548]

The cheapest solution is to just run a bit more fuel level.

[mattw 2]

I've decided to go the swirl pot route with this.

 

My latest plan is to buy an aluminium battery box (or similar) fixed in to the boot floor and mount the swirl pot in there.

 

I suppose the list of items I will need to buy includes:

- Alloy box

- Swirl Pot

- Fuel lines & connectors

- New pump

 

Anything else?

[welshpug 1,666]

probably just as cost efective to have a custom baffled tank made to sit in the standard position using the original pump, iirc this is what colin satchell has done for a few 106's, using the 205 pump as they bolt down easily into the top of the tank, not needing a threaded neck like the 106/306.

 

saves the need for lots of expensive pipework and fittingss, pump etc.

Edited May 13, 2011 by welshpug

[mattw 2]

probably just as cost efective to have a custom baffled tank made to sit in the standard position using the original pump, iirc this is what colin satchell has done for a few 106's, using the 205 pump as they bolt down easily into the top of the tank, not needing a threaded neck like the 106/306.

 

saves the need for lots of expensive pipework and fittingss, pump etc.

 

Would that be a fabrication of the existing tank or a completly new unit? Any ideas where would, make one of these?

[petert 601]

As said earlier, I've now had two track 205's with the plastic tank cut in half and welded up. This gets the fuel capacity down to approx. 30L and cures the surge problem. However, the weight is still on the driver's side. A better solution is to fabricate a half tank on the LH side to distribute the weight better. Capacity would still be 25+ Litres. You can then have an external pump etc. I don't like the idea of having a fuel cell in the cabin either. A swirl pot/pump is the best idea if you want to retain the full tank capacity.