4.6L 4v Tech for the 4V Cobra motors and Mach 1

What fuel pump

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Old Jan 11, 2008 | 11:49 AM
  #1  
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What fuel pump

Well when i had my car tuned last year it was running out of fuel on the top end.

We assumed due to fuel pump problems. it was a 255HP, but we were getting fuel pump codes. any how, it is not big enough.
i think i have a set of aeromotive rails coming, and will be running bigger fuel lines as well.

But i still don't know what fuel pump to run. i am pretty sure it has to be an inline.


It made 439WRHP,as the fuel pressure was dropping off.

So i guess i need a pump that will handle around 500HP and possibly an additional shot of spray.
Old Jan 11, 2008 | 11:57 AM
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Magna Fuel Pro star 500 FTW
Old Jan 11, 2008 | 05:02 PM
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Originally Posted by StealthGT
Magna Fuel Pro star 500 FTW
Actually it would be for the LOSS!

* High performance when rated at flow vs. pressure
* External by-pass to eliminate pump cavitations
* Instantaneous compensation for sudden changes in fuel demand
* Consistent, reliable fuel supply for optimum carburetor performance
* Compatible with both alcohol and gasoline racing fuels
* Light weight
* Hand assembled to the highest quality standard
* Pump bodies computer machined out of high quality 6061 Aluminum
Old Jan 11, 2008 | 05:31 PM
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Just create what I'm using.
I no its a PITA cause all those fittings but it works well

If not maybe look into a Aeromotive A1000, there rated for lots of power.

Let me know what you deside
Good luck.
Old Jan 12, 2008 | 09:58 AM
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ok then..try the Magna Fuel MP-4302, that should keep it from getting thursty
Old May 11, 2008 | 04:18 PM
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Gas Question

I was wondering what octane gas I should be running on. I have a 97 GT and I currently run on 93, but I heard that the recommended gas is regular unleaded, which is 87. My car has 78k, with flows, bbk o/r x pipe, bbk intake.
Old May 11, 2008 | 05:14 PM
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If you can get away with 87 with out any pining then use it and save your $$$.
Old Mar 9, 2009 | 09:36 AM
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What about a KB boost a pump
Old Mar 10, 2009 | 03:44 PM
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Originally Posted by Diver Down
What about a KB boost a pump
Thread is from 08' and member is no longer around.
Last heard he is running a Aeromotive A-1000
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