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09-05-2007, 08:57 PM
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Smile
Join Date: Dec 2004
Location: Merrylands Sydney
Posts: 8,541
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Today I had half a day off at home and decided to install my walbro 341 fuel pump . It was a can of worms to install. It took 15 minutes to remove the whole tank and 3 hours to get the dam walbro into position.
Why you may ask?? Firstly , the diameter of the walbro is way smaller than the fuel pump holder. Secondly I had to modify the existing fuel line to the new pump by using fuel line. After much time playing with it. She was ready to slide back in.. The pump would not fit back in its casing so I moved the pump into a slightly higher position in the holder .It went in and clipped together.I installed the lot ,reinstalled the tank and went for a drive.It drove ok but nothing to write home about. At home tonight I checked fuel pressure with the gauge on the after marker regulator. It sat where I set it at idle.35 psi. When i revved the motor a little pressure went a tad up then went down to 30 psi. I had tightened all hoses and crossed my t's. It is not holding fuel p[ressure when turned off and it drops to 20 psi when turned off. I think there may be 3 issues here. 1 the pump is crap or the fuel line is leaking in the tank.There is no whirring noise and the unit is nice and quiet. Releasing the vacumm hose allows pressure to remain constant when idling. The frigging pump is supposed to be direct replacement for our fords. It was definately not a direct replacement at all.It was totally different to my old pump. I am not surprised that the fuel pressure is playing up. This weekend the old pump will be going back in or a ford typhoon one going in... If people talk up walbro as a raplacement tell them get stuffed...its not comaptible and leads to headaches.
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Stingray Car Security ph 0414445444 Single din radio fascias for fg to fgx fords Australia wide . FG 1 2 and 3 gauge holder in stock now! https://stingraycar.com.au/shop/ Site Sponsor See Sponsor Stingray Car Security 😍👌✌ AU wagon 6 14.241@96.75 1/4 mile sold.Octane fg xr6 turbo!! 12.312 112.21 mph home tune f6 injectors gone ..now in nitro fgxr6t ready to go again 
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09-05-2007, 09:00 PM
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FF.Com.Au Hardcore
Join Date: May 2006
Location: Perth, South
Posts: 3,064
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one question to ask is was it a genuine one, or a cheap chinese one?
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09-05-2007, 09:03 PM
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Smile
Join Date: Dec 2004
Location: Merrylands Sydney
Posts: 8,541
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It was a genuine one from a reputable racing shop.The product may not be faulty but its not a direct replacement . I will get new fuel line and replace it all to make sure nothings leaking but highly doubt it. Leaky fuel pumps make a whirring sounds.
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Stingray Car Security ph 0414445444 Single din radio fascias for fg to fgx fords Australia wide . FG 1 2 and 3 gauge holder in stock now! https://stingraycar.com.au/shop/ Site Sponsor See Sponsor Stingray Car Security 😍👌✌ AU wagon 6 14.241@96.75 1/4 mile sold.Octane fg xr6 turbo!! 12.312 112.21 mph home tune f6 injectors gone ..now in nitro fgxr6t ready to go again
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10-05-2007, 07:38 AM
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Back on the road
Join Date: Dec 2004
Location: Wollongong, NSW
Posts: 3,205
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They are definitely not a "drop-in" replacement.
I would be more suspect of your fuel pressure reg if your fuel pressure at idle is inconsistent.
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------------------------------------------------------------------------- AU XR8 Ute 13.90 @ 100mph - http://www.aufalcon.com/xr8ute 5L Windsor, GT40X heads, Crane 2030, Pacey 4-1s, Lukey 3", 3.91:1, auto. Tuned by me w/Quarterhorse and BinaryEditor. Coming Soon: Ported lower intake, Tickford "Premium" Brakes, and a good wash. |
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10-05-2007, 04:37 PM
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Smile
Join Date: Dec 2004
Location: Merrylands Sydney
Posts: 8,541
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Well some good news after all that.I got on the dyno to just check where everything is and the pump is working fine. The tune is right out the window and the car pulled 161 rwkws where the standard injectors maxed out again even after playing with the regulator. In manual form the wagon could be pulling 171 rwkws
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Stingray Car Security ph 0414445444 Single din radio fascias for fg to fgx fords Australia wide . FG 1 2 and 3 gauge holder in stock now! https://stingraycar.com.au/shop/ Site Sponsor See Sponsor Stingray Car Security 😍👌✌ AU wagon 6 14.241@96.75 1/4 mile sold.Octane fg xr6 turbo!! 12.312 112.21 mph home tune f6 injectors gone ..now in nitro fgxr6t ready to go again
Last edited by Stav; 10-05-2007 at 04:43 PM. |
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11-05-2007, 09:25 AM
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Join Date: Jan 2005
Posts: 611
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Shouldn't the reg+pump force more fuel in? how about all these turbo cars that have rising regs and standard injectors? maybe your just making more power then them, hehe.
Time for some XR8 injectors. :hihi: |
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Walbro fuel pumps for an AU ford.
Linear Mode
