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Fuel System Overhaul


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#101 2-20

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Posted 11 July 2012 - 11:57 AM

There are some swirl pots with an integrated HP fuel pump. Not cheap but easy install and compact.
Radium has a few models for every need: http://store.radiuma...g&parent=5&pg=1
or something like this:
http://www.intengine...d-044-pump.html


You can also have one from BOE fabrication.

http://www.boefabric...duct/surge-tank

#102 JG

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Posted 11 July 2012 - 12:15 PM

http://www.boefabric...rgeTankV2_1.pdf

seems a bit overkill, and where does the return from the rail go?

#103 siztenboots

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Posted 11 July 2012 - 12:22 PM

you don't have to have a return system

#104 2-20

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Posted 11 July 2012 - 12:42 PM

You don't need the fuel pressure regulator , so the fuel rail return line go to the black line at the exit of the (cancelled) fuel pressure regulator

#105 JG

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Posted 11 July 2012 - 03:08 PM

thumbsup

#106 Exmantaa

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Posted 11 July 2012 - 04:07 PM

You don't need the fuel pressure regulator , so the fuel rail return line go to the black line at the exit of the (cancelled) fuel pressure regulator


You mean that the fuel pressure regulator in a VX is integrated in our fuel rail return, so you don't need that seperate regulator... :happy:

#107 JimmyJamJerusalem

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Posted 11 July 2012 - 04:08 PM

Looks really nice setup but with shipping and tax it will be over £500


Nah, it comes out as $340 which is about £200 odd, I already have the pump :) This does seem my best option, I just need to mock one up and see if I can fit it in the engine bay somewere.....

#108 2-20

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Posted 11 July 2012 - 09:26 PM


You don't need the fuel pressure regulator , so the fuel rail return line go to the black line at the exit of the (cancelled) fuel pressure regulator


You mean that the fuel pressure regulator in a VX is integrated in our fuel rail return, so you don't need that seperate regulator... :happy:


Yes, this is what i meant :)

#109 techieboy

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Posted 11 July 2012 - 09:41 PM

Having just dug out a Lotus Europa pic for another thread, interestingly, it looks like their fuel tank is baffled.

Posted Image

#110 Exmantaa

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Posted 11 July 2012 - 10:14 PM

http://www.lotustalk...-baffles-95140/

And modified with trap doors:

Posted Image

Edited by Exmantaa, 11 July 2012 - 10:23 PM.


#111 JimmyJamJerusalem

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Posted 14 July 2012 - 03:28 PM

Mocked up a cardboard dummy of the pump housing and it fits lovely under the air filter. Will have to relocate the ECU slightly but that should be easy enough!!

So, ordered the Integrated Engineering solution

http://www.intengine...d-044-pump.htmlPosted Image

#112 JimmyJamJerusalem

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Posted 14 July 2012 - 03:56 PM

So the revised schematic

Should I include another filter on line A...?

Posted Image

So now I need to work out exactly which fittings fixtures etc I need.

Posted Image

#113 JimmyJamJerusalem

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Posted 14 July 2012 - 04:11 PM

And yeah, I just realised my check valve is backwards :lol:

#114 Bargi

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Posted 14 July 2012 - 04:37 PM

Having just dug out a Lotus Europa pic for another thread, interestingly, it looks like their fuel tank is baffled.

Posted Image


Isn't the Vx tank like that anyway?
my original float broke off and when we pulled the pump out it feeling around I'm sure I felt what was wall/baffle with holes at the top. Couldn't find the float and assume it's made it's way into the other chamber, can hear it banging around when cruising to a stop

#115 JimmyJamJerusalem

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Posted 14 July 2012 - 05:11 PM

Right I'm going to go hunting

Pump Fittings = 2 x AN -6 (-6AN JIC AN-06) Quick Connect 5/16" Female Fuel Line / Rail Adapter Link ...?
Are there two different sizes on the pump 3/8 & 5/16
also 2x AN -6 (AN6 AN 06) 150 Degree Fast Flow Hose Fitting Link
Hose A Fittings =
Integrated Swirl Pot =
Hose B Fittings =
Hose C Fittings =
Filter Fittings =
Hose D Fittings =


Fuel Rail Fittings = GM 2.2L 2.4L Ecotec fuel rail adapter adapters fitting Link
Hose E Fittings =

#116 JimmyJamJerusalem

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Posted 14 July 2012 - 05:37 PM

Right I'm going to go hunting

Pump Fittings = 2 x AN -6 (-6AN JIC AN-06) Quick Connect 5/16" Female Fuel Line / Rail Adapter Link ...?
Are there two different sizes on the pump 3/8 & 5/16
also 2x AN -6 (AN6 AN 06) 150 Degree Fast Flow Hose Fitting Link

Integrated Swirl Pot =
Pump outlet AN -6 (6AN AN6) Bosch 044 / 910 Fuel Pump Outlet Check Valve In Red Link
3 x XRP Aeroquip Hose Fitting,Goodridge Type -6x-6 male Link

Fuel Rail Fittings =
GM 2.2L 2.4L Ecotec fuel rail adapter adapters fitting Link
AN -6 (AN6) 90 Degree Teflon Hose Fitting Aeroquip Type Link

Filter Fittings =


Hose A Fittings =

Hose B Fittings =

Hose C Fittings =

Hose D Fittings =

Hose E Fittings =

#117 JimmyJamJerusalem

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Posted 14 July 2012 - 05:51 PM

Ahh, hang on, are there no fittings as such on the hoses (not even internal olives?), do they just screw into the fittings listed above...?

#118 JimmyJamJerusalem

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Posted 14 July 2012 - 06:48 PM

Right guys, enough ramblings..... I know most have probably given up on this thread now lol but I have some questions.... 1, as above are there two different sized pipes on the normal Sytec pump....? 2, Are there any fittings at all required when terminating the hoses.....? ie any olive? 3, The filters.... There are 30 micron and 100 micron available. Can anyone say where they'd go? I guess one between hose C & D and the other would be in hose A, but could someone confirm?

#119 JG

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Posted 14 July 2012 - 07:20 PM

No olives. If you want i can pop up tomorrow morning to show you. they are utter genius :)

#120 JimmyJamJerusalem

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Posted 14 July 2012 - 07:43 PM

Leaving for Brussels tomorrow dude, cheers for the offer though. I want the Aeroquip fittings is that right...?




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