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Old 05-06-2003, 03:50 PM   #1
GQ
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Default Fuel pickup problems

I have been having fuel pick up problems on track and on the street when the tank is below half full. The problem occurs under very hard cornering. How can I remedy this problem?
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Old 05-06-2003, 04:30 PM   #2
Teamugi
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Welcome to the club. I have the same problem.

Suggestions

1) Keep your tank full
2) Get some foam blocks and stuff it in your tank. you reduce the capacity, but I heard it works. you can get this at summitt racing i think.
3) Apparently, you can open the tank and take out the fuel pump. Then bend back some flaps that are in the tank, which allow the fuel to reach the pump easier. Someone posted on this subject awhile ago. I would do a search for it.
4) Get a custom fuel tank made!
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Old 05-07-2003, 01:52 PM   #3
Subie Gal
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get rid of your tank and replace it with a fuel cell

seriously.. you'll need to add more gas to keep this from happening.. or go all out and add a fuel cell.

cheers
Jamie www.subiegalracing.com
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Old 05-07-2003, 02:10 PM   #4
jeffg
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What about the STI anti surge tank thing? Or adding some sort of swirl tank to you system. It would require another fuel pump and some sort of small fuel cell/tank, but I think it would solve your problem.

I had this issue at an AutoX a while ago, but I only had like 1 gallon of gas in my car.

J
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Old 05-07-2003, 10:21 PM   #5
Storm
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Lightbulb

Well, since It still hasen't been answered by the search function, I'll post what I did (again).

We removed the fuel pump assy. to make room for the foam block installation, which we wedged in through the hole and squeezed into the center position where the tank is the most shallow.

While we had the opening accessable, we could see that the fuel pickup is surrounded by a box that has no means of being fed, except for splashing over the sides. With this in mind, I took a pair of tin snips and cut a couple slices down the sides as far as I could reach. Once this was done, I bent the sides over (outside) as far as I could. I did this with a tire iron at first, as soon as I slipped off and whacked the bottom of the tank once, I grabbed a broomstick to finish. I didn't want to put a hole in the tank.

Once this was done, we re-assembled everything and went for a drive. We let the tank get down to the low fuel light and then did some practice moves to try and get it to bog.......nope....all gone!

Since then we've run fast, open along with short, tight courses while on the low fuel light with no problems. A far cry from having to exit a course, drive STRAIGHT to the gas station and then get back into grid at a SoloII Divisional.....while dual driving the car!!!

Note that the metal surrounding the pump opening is SHARP! We had slices all around our wrists and forearms from wrangling the foam block and snips inside. Not fun when you're working with 1/2 tank of gas! The results make the pain worthwhile!


Jay Storm
www.sourcemotorsports.com
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Old 05-08-2003, 09:40 AM   #6
GQ
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Kewl, thanks Jay.
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Old 05-10-2003, 12:06 PM   #7
Storm
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Quote:
Originally posted by GQ
Kewl, thanks Jay.
No Problem! Have fun and watch your limbs on the edges of the tank when you're in there.

Call SummitRacing for safety foam (#SUM-290190) as it's not listed in the catalog for some reason. Use 1 block or 2 if you really want to keep sloshing to a minimum. I doubt the volume reduction will be of any noticable difference.

I wish we would've taken better pic during the job.....some are available n the below site under "pics from Topeka".

Jay Storm
www.sourcemotorsports.com
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