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Source For Standard Fuel Pump/sender Units? (2.2 Na)


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#1 Mandarin Pete

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Posted 08 December 2019 - 05:07 PM

My pump/sender unit is a little bit totally buggered. 
Where can I get an OE pump/sender? 

Presumably they are a standard unit, what do/did they fit? 

(I am aware there are various "uprated" units available but I am not looking to pay £300+ for a fuel pump for a road-only car)

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#2 jonnyboy

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Posted 08 December 2019 - 05:35 PM

Any used ones will be a risk I would just get the Spitfire its a fit and forget and even good to stay in there of you Supercharge later. 



#3 2-20

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Posted 08 December 2019 - 05:48 PM

How many miles on your car ?

#4 The Batman

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Posted 08 December 2019 - 06:06 PM

i have a S1 pump that you should be able to do some parts swapping to make one good one if you want thumbsup



#5 Mandarin Pete

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Posted 08 December 2019 - 07:06 PM

I'll explain a little further... 
The car is already known by some - it has 19k miles on the clock and had been stored in a (probably damp) garage for 14 years - hence the inside of the tank is now full of rusty crap.
I removed the sender/pump unit because the fuel level was permanently showing empty.

I wont be turbo/SC ing it, as to retain its value, the car needs to remain stock. 

The tank itself doesnt leak, so I will remove it, flush it and line it with tank liner juice (Which I have on both my Lotus Elan and Lotus Esprits in the past)
The pump actually works(!) but its definitely not going back in the tank.
The level arm had seized in place at the bottom, hence the low reading, I cant get it to move freely, otherwise i would keep it and just replace the pump itself.

I am not going to fit an uprated £300+ part if i don't need to - surely the sender/pump cartridge must have been standard fitment on a production car of the era

Sorry, I'm not getting irate!!, I am just not the type to "throw money at a problem" without exhausting all other options first. 

 


Edited by Mandarin Pete, 08 December 2019 - 07:08 PM.


#6 Mandarin Pete

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Posted 08 December 2019 - 07:07 PM

i have a S1 pump that you should be able to do some parts swapping to make one good one if you want thumbsup

Interesting... Does it have a working level arm? 

(Is the S1 part similar?)



#7 2-20

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Posted 08 December 2019 - 07:18 PM

A second hand tank might be less money than your tank liner juice...

#8 Mandarin Pete

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Posted 08 December 2019 - 07:22 PM

A second hand tank might be less money than your tank liner juice...

£17. 

And I would line a used tank anyway. 


Edited by Mandarin Pete, 08 December 2019 - 07:22 PM.


#9 mbes2

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Posted 09 December 2019 - 08:17 AM

What is the lotus Elise ones like ? Or are these only used on Vx ?

#10 smiley

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Posted 09 December 2019 - 09:07 AM

Didin't JG put a compleet lotus unit in his VX at some point?

 



#11 mbes2

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Posted 09 December 2019 - 09:13 AM

Ebay stevestrange has some for sale..

Think new lotus or modified versions will be best option given the age of the car.

What's the rest of the car like ? Bushes etc

#12 Spitfire Engineering

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Posted 09 December 2019 - 06:43 PM

My pump/sender unit is a little bit totally buggered. 
Where can I get an OE pump/sender? 

Presumably they are a standard unit, what do/did they fit? 

(I am aware there are various "uprated" units available but I am not looking to pay £300+ for a fuel pump for a road-only car)

attachicon.gif78635342_10162850983220714_1576641460244054016_o.jpg

 

That's probably the worst I have seen and that's several hundred.

 

No, they are not a standard unit, very unusually they were made for Lotus by Delphi, now obsolete due to the terminal block melting.

 

:)



#13 Spitfire Engineering

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Posted 11 December 2019 - 05:20 PM

i have a S1 pump that you should be able to do some parts swapping to make one good one if you want thumbsup

 

There are no components from the S1 OE pump which will fit an OE S2 pump.

Well. I suppose you could cut the plastic pipe off and some of the wires to use but I don't think it will help much  :)



#14 The Batman

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Posted 11 December 2019 - 09:25 PM

you can fit the Delco pump and canister from an American car can’t remember what it is but it has the same new wiring connector like the spitfire one, looks identical to be honest.

Fez found it I seem to remember.

#15 smiley

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Posted 11 December 2019 - 10:51 PM

The model spitfire uses is quite generic.

Search for acdelco MU series and you will see a very large amount of units very close to it.

Most actually not far off spitfires price.

 



#16 Spitfire Engineering

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Posted 14 December 2019 - 04:07 PM

The model spitfire uses is quite generic.

Search for acdelco MU series and you will see a very large amount of units very close to it.

Most actually not far off spitfires price.

 

Well they may look generic, especially the online images which are generic  :)

but a few variables...

 

D of the canister otherwise it will not fit into the tank

D of the top otherwise it will not fit into the recess

Seal type and dimensions

fuel spigot size

Canister height otherwise it will either not touch the bottom of will not comprises enough to fit

sender unit ohm range

sender unit arc

sender unit type 3/4 wire

sender direction

sender arm length

 

The 2 important ones are the flow/pressure graph and the refill capability, the only way to get this is by testing. Remember some of the pumps are for carbs and are very low pressure, none are HP, they are a special order.

 

Most cars have a compact tank so refill rate is not important and often poor, for the S2/VX tank it is critical.

 

There are about 30 units which will fit the aperture correctly, as for the rest :rolleyes: 

 

As for pricing the HP pumps we sell are actually cheaper than the OE ones when they were available (they are not great by modern standards nor E85 compatible).

 

I'm sure the US supplier will love to hear from you regarding any fitting issues and warranty returns etc

 

:)    



#17 smiley

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Posted 14 December 2019 - 11:23 PM

In the end it is not important what base you used.
You spend time on R&D on making something work on our cars where vauxhall/opel do not care anymore, and you ask a reasonable price in my book.

I'm a happy customer.

 

Topicstarter may need to look for a unit that was replaced with one of yours, and swap just the pumpunit for a new one and be done with it.

I cannot think of anything else on a budget.

 

 



#18 Nev

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Posted 15 December 2019 - 08:18 AM

Another option is to eliminate the OEM pump config. Simply replace it with a time tested Bosch 044 pump, a good place to mount it is on top of the existing tank hatch. It will deliver strong pressure and last a long time.



#19 Spitfire Engineering

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Posted 15 December 2019 - 10:15 AM

Another option is to eliminate the OEM pump config. Simply replace it with a time tested Bosch 044 pump, a good place to mount it is on top of the existing tank hatch. It will deliver strong pressure and last a long time.

 

 

If the OP doesn't need the output from a HP pump then a 044 is not really the solution.

It will circulate the contents of a 50% full tank around the warm/hot engine bay and back through the FPR and into the tank about 10-15 times per hour.

Now add all the pipes, junctions, external filters, new wiring etc*

 

Without the OE unit you have no recharge either? or are you saying fit both pumps? i.e 20 amps of pumps?

 

:)

 

 

 

This is not thread particular btw, I have posted many times over the years regarding over fuelling issues (usually vapour lock) and the wisdom of joins and junctions in fuel lines within the engine bay.

 

The best place for the pump is in the fuel tank as it avoids pre turbine cavitation, freely cools and is OE quiet.



#20 Nev

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Posted 15 December 2019 - 10:32 AM

It's a fairly simple install really, not much harder than the 6 hours I wasted fitting a new OEM type pump in the canister in my tank. Hot fuel and vapour lock don't affect me at all, even if I'm just chugging round for 3 hours at 2000 RPM in the summer.

 






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