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Lotus in the Peak
26th - 28th June 2026

I Seem To Have Been Spending Again!.......new Fuel System On My S2


Dr H

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Posted

What started as a exercise in replacing the fuel lines on my 2005 Link-up conversion - possibly about £10 worth of hose and clips, as ever with me, got rather out of hand...............fear2.gif

 

I got to thinking what a 'mess' the current system was and how it could be changed / simplified to make it much simpler and neater. It used a secondary pump ad swirl pot sat near the nearside wheel arch:

 

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Bit messy, get in the way of mounting the air filter in line with the SC inlet.

 

So the only way to remove this was to look at a solution that used just a pump in the tank. I looked at all the options and ended up at ProAlloy discussing what could be done. After some great discussions it was agreed that they could make one of their 60 litre endurnace tanks with a central collector and a built in filter and pump that would get rid of the need for the current in-tank pump and use just the Bosch 044 originallyused asasecondary pump.

 

After gathering all the bits over a few weeks the car went to Unit 4 in Burton on Trent on Monday to have the swap done and I picked it up today.

 

Took all this out of the engine bay:

 

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Replaced by fitting them in the tank:

 

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Fuel exits through the pump on the passenger side. Fuel goes up to a Sytec filter and exits to the end of the AEM billet fuel rail.

 

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Across the fuel rail (gauge was used to set up the FRP but will be removed and repalced with a port plug soon).

 

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Out the other end of the fuel rail and across to an AEM adjustable FPR

 

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Then through the FPR and back down to the return on the tank on the passenger side.

 

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Much neater, much simpler and leave shit loads of room where theold pump/swirl pot were which will help loads when the new strighter SC inlet is fitted.

 

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The old tank was showing 9 litres on the stack when it was removed. It was all transfered to the new tank. I then managed to put 47 litres in on the way home. Which suggests about 56 litre capacity. This sounds about right as the 60 litre capacity was reduced by about 3 litres by the cut out for the filter and pump.

 

I now have to 'learn' the fuel gauge again as the 9 litres in the old tank read 'refill' when the bigger tank was fitted. The stack reads full when there is probably just over 40 litres in it.

 

Instead of £10 it cost a little bit more biggrin.gif

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Posted

Stunning job there!

 

A PA 'Endurance' tank is probably my next 'to do' as with the 630cc injectors I seem to be getting through quite a bit more fuel!!!

Posted

laugh.png I do like providing MLOC with ammo to take the piss out of me.

 

Russell - the car is filthy. 2 trips in the snow and grit and I won't have time to clean it before I go snowboarding this weekend - I don't know how I'll relax on my hols........;)

Posted

laugh.png I do like providing MLOC with ammo to take the piss out of me.

 

Russell - the car is filthy. 2 trips in the snow and grit and I won't have time to clean it before I go snowboarding this weekend - I don't know how I'll relax on my hols........wink.png

 

Don't worry mate its just pure jealously on my part

Posted

Don't worry mate its just pure jealously on my part

 

Sheldon, my lot in life is to give people a chace to take the piss out of me so the more the merrier!

 

I am probably the last person in the world that needed a larger capacity tank......

Posted

Nice job, saw that fuel tank on pro alloy's facebook page, I'd love one of those ;) You seem to like tinkering, i'm just the same, keeps me from under the mrs feet! :)

Posted

Wow looks fantastic! Wish i had chance to read this thread now but work calls :o(

Posted

Very impressive.....

 

Has gav bought a heater yet????? :-)

 

No he F-ing hasn't! I don't know how he does it to be honest as he never seems to have the roller shutter down........

Posted

Stunning.

 

Tell me, where do you get all those nice bracketry and mounts from? Did you get the gear linkage fitted as well?

Posted

Bracket for the FPR was made by a local place in Coalville - laser cut stainless to my design. Nose charger brace was made by an MLOCer's bro who has a mahcine shop in the West Mids. Brackets for fuel filter on roll bar is a bodge of mine. Srping clips riveter to jubillee clips!

 

Cant see any others I don't think?

 

Oh -bracket for header tank which you can just about see was made by the same place in Coalville - they still have the designs for that and the FPR bracket so can make more if needed.

Posted

Leigh - looks great. Love the look of the tank and fuel pump - shame you won't ever see it again. I'm trying to resist the temptation of wanting such .... ohh u2u me how much ... no don't ...ermm go on then.

 

How come you are jetting off snowboarding when we've just had all this snow? lol

Posted

Leigh - looks great. Love the look of the tank and fuel pump - shame you won't ever see it again. I'm trying to resist the temptation of wanting such .... ohh u2u me how much ... no don't ...ermm go on then.

 

How come you are jetting off snowboarding when we've just had all this snow? lol

 

Tank without pump or filter but with the cost of custom mods to house them was just into 4 figures............look on the ProAlloy website it's all there :)

 

Don't joke about the boarding, might not make it to the airport!

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