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Author Topic: Electric fuel pump  (Read 21435 times)
krede
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« Reply #15 on: January 29, 2008, 01:34:00 pm »

Who ever he is, he should be SHOT!! for having those horrible pedals installed !!! Roll Eyes
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Anders Dinsen
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« Reply #16 on: January 29, 2008, 03:27:29 pm »

Not only are the pedals horrifying, but the whole installation is just too much for my taste. And the pressure regulator with gauge is completely overkill as fuel pressure with a carb is not critical as long as it's not too high and the float chamber is kept at the correct level.

However using an EFI pump for a carb engine, is a bit "over kill"...

Not only that, it will cause massive fuel spillage. Unless you purchase an expensive pressure reduction valve. To compare: An EFI pump supplies fuel at 2 Bar pressure. The carb fuel pump needs to be no more than 0.35 Bar.

I've seen this installatin of a Facet pump:


Now that we are sharing engine room pictures, here's mine:


It's not perfect, but I'm quite satisfied with the pump installation which is neat and simple, I think.

@ Oetker - nice box. Simple, and we know how it works Wink

- Anders
« Last Edit: January 29, 2008, 03:35:04 pm by Anders Dinsen » Logged

'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
krede
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« Reply #17 on: January 29, 2008, 03:32:26 pm »

Messy installation if you ask me.. hoses and wires everywhere...  (the top one)
« Last Edit: January 29, 2008, 07:33:47 pm by krede » Logged
RazorbackNOR
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« Reply #18 on: January 29, 2008, 05:54:47 pm »

Messy installation if you ask me.. hoses and wires everywhere... 

Sorry Anders, i have to agree abit with krede there.....

Some braided hoses, and straping them down i think would be a good improvment.

Otherwise,  Wink very good jobb! especially on the pump-relay box.
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krede
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« Reply #19 on: January 29, 2008, 07:39:15 pm »

Why not get some braided fuel hoses Anders?.. would look much better... ans a steel/glass fuel filter too... the type you use there looks like the sort you use on a moped or lawnmower Smiley

Your electrics look neat though... Is that a small fuse holder by the relays?
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Bart_Maztra
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« Reply #20 on: January 29, 2008, 09:01:20 pm »

And the pressure regulator with gauge is completely overkill as fuel pressure with a carb is not critical as long as it's not too high and the float chamber is kept at the correct level.

I have to disagree. Fuelpressure is important for a carb.  If it is a bit too high, the floatlevel will be too high. The fuelpressure is pushing the needle back in. So in my opinion the regulator and the gauge is the proper way to go.
====Disclaimer: this is only my opinion===== Cheesy
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Oetker
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« Reply #21 on: January 29, 2008, 09:10:56 pm »

I think Bart is right about that, but if you take a pump that is near the pressure the mech. pump gives, no regulater is needed.
Stay near 0.3 bar and I think it wil be no problem.
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I feel like Jonah, only my fish looks different.
Murena 2.2 Red 1982. Murena 1.6 black on places.
Anders Dinsen
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« Reply #22 on: January 29, 2008, 10:06:59 pm »

My hoses *are* braided, cotton braided! Except for the 8 mm connections to the pump which are rather thick EFI-type hoses. Unfortunately this pump was only available with 8mm connections. And they will never get any steel braiding. It will only be for cosmetics and I don't like things that are *only* designed to look good Wink If I was building a race car, it would be another issue, but then EVERYTING would have been upgraded to the most serious spec Wink

The relays are there to make my insurance company happy. And there's only two, because theres a thrid one hidded somewhere else in the car. They are misplaced and will be moved out of sight!

Yes, it's a fuse holder integrated in the relay socket: http://www.vehicle-wiring-products.eu/VWP-onlinestore/relays/sockets.php
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
RazorbackNOR
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« Reply #23 on: January 30, 2008, 08:14:05 am »

Quote
And they will never get any steel braiding. It will only be for cosmetics and I don't like things that are *only* designed to look good
Why not, you do drive the Murena after all....  Grin

Don't see nothing wrong with having something that works fine, AND look good to  Wink
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RazorbackNOR
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« Reply #24 on: January 30, 2008, 08:30:27 am »

There!! Finally found it!!  Grin

http://murenapassion.free.fr/images/histoire/Reparations/pompe_a_essence/pompe_a_essence.htm
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krede
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« Reply #25 on: January 30, 2008, 08:31:58 am »

I like steel braided hoses... I like polished aluminium, and stainless steel..
As long as it looks "purpose full"
 
What I don't like is brightly coloured and cheaply chromed bits and gizmos.
Like... a completely stock engine bay... but with a chromed valve cover and nothing else.

I agree that a steel braiding might not be at all necessary, and that the condition of the "hose rubber" becomes next to impossible to check.
But I still prefer them especially since they are easy to replace, looks good, doesnt soak up oil and water like the cotton braided ones.
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Oetker
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« Reply #26 on: January 30, 2008, 08:42:14 am »

quote
---------
http://murenapassion.free.fr/images/histoire/Reparations/pompe_a_essence/pompe_a_essence.htm
------------------------------------------------------------------------------------------------
His project costed € 338.-  Grin
Mine costed € 50-60
Some money left to buy a extra beer Wink
Overkill for sure.
« Last Edit: January 30, 2008, 08:43:46 am by Oetker » Logged

I feel like Jonah, only my fish looks different.
Murena 2.2 Red 1982. Murena 1.6 black on places.
krede
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« Reply #27 on: January 30, 2008, 08:53:47 am »

True... but it is amazing how quickly cost accumulates with these things... especially if you want new parts from known "brands".
 
And if you buy a cheap Chinese pump when is it gonna give up the spirit ?
That's right..... on a rainy Saturday night, in the middle of NOWHERE just as you are on your way to a party with two girls in the car!!..

I haven't had this happen to me.. but I just KNOW that's how its gonna go down.. Smiley
« Last Edit: January 30, 2008, 08:59:43 am by krede » Logged
RazorbackNOR
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« Reply #28 on: January 30, 2008, 10:43:51 pm »

Anders, how do you hook the relay up to the coil?
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1983 Matra Murena 2.2 Platine
50cc Pocketbike
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Oetker
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« Reply #29 on: January 30, 2008, 11:09:22 pm »

quote Krede
---------------
And if you buy a cheap Chinese pump when is it gonna give up the spirit.
--------------------------------------------------------------------------------------------
What is not made in China?
Empi is a old name in performance car parts.
No matter what brand you buy, there is always somewhere a part with a chinese (child) hand in it.
We will see if it stands the test of time.
Lucky I dont use the car on Saturdays nights.
The girls pick me up Cheesy
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I feel like Jonah, only my fish looks different.
Murena 2.2 Red 1982. Murena 1.6 black on places.
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