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Author Topic: Fuel rail pressure.  (Read 3438 times)

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Andy B

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Re: Fuel rail pressure.
« Reply #15 on: 27 May 2013, 18:10:51 »

Oooooh, just shy. Need 60 psi.  :-\

Out of interest, why?

Because 55psi is too low. :)

Too low for what?  ???

Too low for 60psi! Silly! ;D

That's a difference of 5psi. Nosey Parker! ;)

 :P :P :P :P :P
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Andy H

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« Last Edit: 27 May 2013, 19:03:57 by Andy H »
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Re: Fuel rail pressure.
« Reply #17 on: 27 May 2013, 19:12:34 »

Need 4.15 bar from the same system.

Possible?  :)
Worth a call to those useless chavs at Courtney. They sell higher rated fprs, without understanding why it will do 3 parts of shag all in the application they sell it for. Might suit your requirements though  :-\
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Re: Fuel rail pressure.
« Reply #18 on: 28 May 2013, 00:42:19 »

Oooooh, just shy. Need 60 psi.  :-\

Out of interest, why?

Because 55psi is too low. :)

Too low for what?  ???
LS1 or similar (I presume)

http://www.omegaowners.com/forum/index.php?topic=113793.0;#33

Think you presume right mate ;)  We're back to the cryptic posts ???
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Re: Fuel rail pressure.
« Reply #19 on: 28 May 2013, 10:18:48 »

.. as to whether the pump is man enough, what you need to do is get a FPR set to your desired fuel pressure, connect it to the system and then measure the flow rate out of the return line. Time how long it takes to fill a 5L petrol can, for example.

There are various ways to work out the required flow rate for your engine based on expected power output. Just make sure you've got a sensible margin of flow above that (say 50% or so).
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05omegav6

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Re: Fuel rail pressure.
« Reply #20 on: 28 May 2013, 12:52:33 »

Fuel pipe diameter will have a bearing on flow rate vs pressure :-\

Would the fuel pipes/filter/pump from an early 2004 Monaro do the trick :-\
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biggriffin

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Re: Fuel rail pressure.
« Reply #21 on: 28 May 2013, 13:10:11 »

Very criptic,but me think as a few others Ls 1.
Yes would fit with some minor mods,and be easier to transplant it still on front subframe,to gauge what mod needed,to transmission tunnel.
 
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05omegav6

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Re: Fuel rail pressure.
« Reply #22 on: 28 May 2013, 13:27:35 »

Fuel pipe diameter will have a bearing on flow rate vs pressure :-\

Would the fuel pipes/filter/pump from an early 2004 Monaro do the trick :-\

Am I correct in thinking that the pressure marked on the regulator is the pressure of fuel required to open the valve within the regulator?

If so, pop a 5 bar regulator into an Omega fuel rail and see if the fuel pump can deal with it :y

If it can't, then you need a more potent fuel pump :y
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Re: Fuel rail pressure.
« Reply #23 on: 28 May 2013, 14:36:17 »

Oh to add an omega with an Ls1 fitted,was called a clubsport available.downunder. :y
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05omegav6

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Re: Fuel rail pressure.
« Reply #24 on: 28 May 2013, 14:45:12 »

Oh to add an omega with an Ls1 fitted,was called a clubsport available.downunder. :y

Sorry to dissappoint you, but the Commodore is only vaguely related to the Omega. The only parts that I know of which are fitted to both cars are the rear wheel bearings. They are the same on both the Commodore and the Omega B estate :y
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Re: Fuel rail pressure.
« Reply #25 on: 28 May 2013, 14:52:01 »

It bears a simalar resemblance. Part of the floorpan and rear doors,and some other interior trim. Not worth spliting hairs, built by gm tho.
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Re: Fuel rail pressure.
« Reply #26 on: 28 May 2013, 15:04:00 »

reckon you need Moroso pump and regulator- I got little one on rover 70gal per hour iirc
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Re: Fuel rail pressure.
« Reply #27 on: 28 May 2013, 23:39:32 »

If it is available, take the FPR off the new engine and fit it to a V6 Omega. Then if it starts take it for a drive and see if the Omega fuel pump can keep up :-\

Either way your question will be answered :y
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Re: Fuel rail pressure.
« Reply #28 on: 29 May 2013, 12:00:09 »

If it is available, take the FPR off the new engine and fit it to a V6 Omega. Then if it starts take it for a drive and see if the Omega fuel pump can keep up :-\

Either way your question will be answered :y

Urm 1st mr cixer is jo bloogs then he becomes cixer again,now he answering his own post.help the llunitics are running the asylum. ;D :D
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05omegav6

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Re: Fuel rail pressure.
« Reply #29 on: 29 May 2013, 13:00:54 »

I think you've confused yourself ;D
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