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Location:
Ipswich QLD
Registered:
May 2002
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Confict of fuel pump types! for 18RGU
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Fri, 02 August 2002 23:56
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U guys have told me to get a high pressure pump for my silly car when i run EFI and turbo, but i've just read this;
"Do not rely on the Toyota mechanical or electric pump- use a low pressure, high volume pump."
Is that only talking about carby's/non-turbo? I should still get a VL pump from the surge tank to the injectors, and use the holley red to fill the surge tank?
its from: http://www.toysport.com/2tg_18rg_3tg_tech_notes.ht m
What do u think.
Thanks
Ben
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Location:
Brisbane
Registered:
May 2002
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Re: Confict of fuel pump types! for 18RGU
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Sat, 03 August 2002 06:53
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You need a high-pressure EFI pump for your high-pressure EFI fuel system. The pump you use to fill the surge tank (if you have one) isn't really important since it's running at close to zero load. It still needs to be able to flow enough volume to keep up with your engine, but nearly any automotive fuel pump should be able to do that.
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I supported Toymods
Location:
Oyster bay NSW
Registered:
May 2002
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Re: Confict of fuel pump types! for 18RGU
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Mon, 05 August 2002 18:03
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The set up I run on a blown 18rg with 20 psi, is a holly to fill the surge tank, I have also used a facet pump, and a VL turbo for the High pressure feed to the fuel rail.
Only thing that you may have trouble with is if you go to a huge boost pressure you may not have the correct pressure across the injectors (fuel rail about 20 psi high than intake pressure) for the injectors to spray correctly.
If so then you will have to find a pump to suit. 
Shane
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