4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Fuel System ideas

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Old 09-10-2008, 02:22 PM
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97modifiedmustangGT
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Default Fuel System ideas

Can someone point me in the right direction as far as upgrading my fuel system? Obviously I will get 30 or 42lb injectors, a SVT focus fuel pump but then i am stuck after that. Should i get bigger fuel rails? I was looking at aeromotive fuel rails but i don't see a whole bunch of mustangs with aeromotive stuff, why? As far as the car it will be a street car with around 330whp and on nitrous i figure i will be in the 450-475 whp range which will put me over 500ft-tq. so basically i just want to have a safe fuel system that would hold that power and be safe enough for a little more power. thanks.

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Old 09-10-2008, 02:31 PM
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35thAnni99GT
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SVT Focus pump w/ 40amp Kenne Bell BAP, but wait, isn't your car a return style system still?

You could do an A1000 inline system with a better regulator and bigger rails and injectors.
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Old 09-10-2008, 02:54 PM
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97modifiedmustangGT
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yes i'm pretty sure it is a return style system. lol. Could someone tell me for sure what cars came with what style fuel systems?
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Old 09-10-2008, 03:17 PM
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35thAnni99GT
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I know after 99 they went returnless.
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Old 09-10-2008, 04:56 PM
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n0th1n2kn0vv
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96-98 have two high pressure fuel lines. I'm almost positive that one is delivery and the other is return, because 99-up went returnless and they have one high pressure fuel line running to the rail. I may be wrong but check to make sure before you buy anything.
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Old 09-10-2008, 05:32 PM
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97modifiedmustangGT
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Originally Posted by n0th1n2kn0vv
96-98 have two high pressure fuel lines. I'm almost positive that one is delivery and the other is return, because 99-up went returnless and they have one high pressure fuel line running to the rail. I may be wrong but check to make sure before you buy anything.
I think you are right... that is how i remember the fuel rails when i took apart the 01 spare motor i have. I'm not looking to buy right now i just like to know what i need before hand so i can research everything and get what best suits my car.
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Old 09-10-2008, 06:13 PM
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lizzyfan
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You are return style! Go with a 255LPH drop in
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Old 09-10-2008, 06:34 PM
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Drop in a walbro and upgrade your injectors and maf and you will be ok. You have a return style fuel system. You can run a fuel pump speed controller which will increase the fuel with the RPMs and be safer when spraying.
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