Confused about fuel basket problems - Forums at Modded Mustangs
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post #1 of 4 Old November 14th, 2013, 12:26 PM Thread Starter
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Confused about fuel basket problems

I've got a Focus SVT fuel pump that I'm going to put into my 2002 GT to get the fuel system ready for a KB blower, it will also have a BAP so it should be good for the 400rwhp I'm aiming for.

From what I understand swapping the pumps is easy and I just need to reuse the original fuel basket and hoses.

But I ran across a comment that this SVT pump can "suck the basket dry" when the tank gets lower than 1/4 full, causing a lean problem.

What is it about this pump that makes this a problem, it looks exactly the same so why wasn't this also a problem with the original pump and do I need to do anything to avoid the problem?
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post #2 of 4 Old November 14th, 2013, 01:57 PM
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Ehh that's more of a problem with dual pumps or a return setup and using the gt gas tank.
The problem is that the other pumps (cobra, focus svt) pump much more fuel than the stock pump.
It can cause a lean problem when there is little gas in the tank left (1/4 or less) and it shifts during a turn or hard acceleration; starving the pump(s) dry.
You can fix the problem by either using a cobra tank (internal baffle), or keeping the gas above 1/4 full (even 1/2 full to be cautious).
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post #3 of 4 Old November 14th, 2013, 02:13 PM Thread Starter
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Shadows, thanks for the input. So just to make sure I understand this, is the blurb below the way it is supposed to work in the stock car?

When the tank is low, the basket will fill up above the level of the fuel in the tank (somehow?).

Then on corners or under accel the pump will pump from the basket while the gas in the tank is pushed away from its inlet.

But with a high HP car and a boosted pump the basket might get drained before the gas settles back to the pump inlet and the only fix for this is to keep your tank from getting too low.

I've seen mentions of drilling holes in the basket but I don't see how that would help, it seems like it just would make the situation worse.
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post #4 of 4 Old November 14th, 2013, 03:12 PM
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drilling a hole in the basket (on the bottom of the basket) will ensure that there will be fuel in the basket. the basket sits lower in the gas tank, so the fuel will naturally go into this dip where the basket sits and will fill up the basket if there is a hole drilled in the bottom of the basket.

once you take the tank out and the basket and hat, you will see what im talking about lol
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