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Author Topic: Fuel rail pressure.  (Read 3501 times)

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CG2

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Fuel rail pressure.
« on: 26 May 2013, 23:43:02 »
Anyone now the stock fuel rail pressure on omega?

3.2 lump.  :)
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Jimbob

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Re: Fuel rail pressure.
« Reply #1 on: 26 May 2013, 23:46:32 »
3.8 bar from memory :y
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CG2

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Re: Fuel rail pressure.
« Reply #2 on: 26 May 2013, 23:50:01 »
Oooooh, just shy. Need 60 psi.  :-\
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tunnie

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Re: Fuel rail pressure.
« Reply #3 on: 26 May 2013, 23:57:52 »
Quote from: Joe Bloggs on 26 May 2013, 23:50:01
Oooooh, just shy. Need 60 psi.  :-\

Out of interest, why?
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CG2

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Re: Fuel rail pressure.
« Reply #4 on: 26 May 2013, 23:58:59 »
Quote from: tunnie on 26 May 2013, 23:57:52
Quote from: Joe Bloggs on 26 May 2013, 23:50:01
Oooooh, just shy. Need 60 psi.  :-\

Out of interest, why?

Because 55psi is too low. :)
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Andy B

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Re: Fuel rail pressure.
« Reply #5 on: 27 May 2013, 10:00:15 »
Quote from: Joe Bloggs on 26 May 2013, 23:58:59
Quote from: tunnie on 26 May 2013, 23:57:52
Quote from: Joe Bloggs on 26 May 2013, 23:50:01
Oooooh, just shy. Need 60 psi.  :-\

Out of interest, why?

Because 55psi is too low. :)

Too low for what?  ???
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Kevin Wood

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Re: Fuel rail pressure.
« Reply #6 on: 27 May 2013, 11:03:24 »
If the pump is designed to deliver 55 PSI I'd say it'd stretch to 60 with a different FPR... and a different engine, of course, because increasing the fuel pressure on a standard V6 is a hiding to nothing. ;)
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Johnny English

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Re: Fuel rail pressure.
« Reply #7 on: 27 May 2013, 11:16:37 »
Retrofitted an AutoGauge fuel press gauge, which indicates 3,0 bar when starting and 2,2 - 2,3 bar on normal run.
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TheBoy

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Re: Fuel rail pressure.
« Reply #8 on: 27 May 2013, 12:13:27 »
Doesn't the replacement engine come with the correct FPR that it needs, or is this being done piecemeal?

Kevin Wood does present a valid point - is the in-tank pump man enough, or would you be pushing that a bit hard. Certainly wouldn't want it going lean at WOT.

Does the pipework and filter allow enough flow? Looks to be a few gotchas that are out there that could trip you up.
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CG2

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Re: Fuel rail pressure.
« Reply #9 on: 27 May 2013, 16:30:27 »
Quote from: Andy B on 27 May 2013, 10:00:15
Quote from: Joe Bloggs on 26 May 2013, 23:58:59
Quote from: tunnie on 26 May 2013, 23:57:52
Quote from: Joe Bloggs on 26 May 2013, 23:50:01
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! ;)
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CG2

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Re: Fuel rail pressure.
« Reply #10 on: 27 May 2013, 16:33:57 »
Had a 3.2 inlet manifold in my hand today, had 3.8 bar printed on it.  :y



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albitz

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Re: Fuel rail pressure.
« Reply #11 on: 27 May 2013, 16:44:18 »
Got a 3.2 injector rail sat on my bench and it is also 3.8 bar. I guess that's decided then. :y
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CG2

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Re: Fuel rail pressure.
« Reply #12 on: 27 May 2013, 17:43:32 »
Need 4.15 bar from the same system.

Possible?  :)
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RobG

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Re: Fuel rail pressure.
« Reply #13 on: 27 May 2013, 17:46:31 »
If most of your replies are cryptic how do you expect answers ???
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martin42

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Re: Fuel rail pressure.
« Reply #14 on: 27 May 2013, 17:51:04 »
more info would be use full,its like saying what heating pump will suit my heating system with out know how many rads,how many floors etc,please be helpful,we cant give advise if you dont tell us!!!!!!!!!!
and it also wastes members time and also the WRONG advise can also be given!!!!
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