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Old 04-22-2012, 05:43 PM   #1
tektrans
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External fuel pump mounting and sump pics

I had to re do my fuel system so I decided to bend up a sump for my stock tank and I had my buddy weld it in. Dont mind the surface rust-this is just mock up-I am getting the tank coated. I made a bracket for the fuel pump mounts and the lines u see are all teflon inside so no fuel vapor smell.
The return reg u see will work with a deadhead reg under the hood.




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Old 04-22-2012, 05:45 PM   #2
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let's get some specs on that set up and what it is supplying.
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Old 04-22-2012, 06:04 PM   #3
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ok sure, thats one of Weldons kits
http://www.weldonracing.com/product/...Combo_Kit.html
can supply 1200 hp, I'll only be using it for my 530 hp 406
I'll be making around 750 ish on nitrous.
I just ordered an Autofab 9" 4 link set up
th400 trans.
Building a street/strip 10.0 index car
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Old 04-22-2012, 08:01 PM   #4
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Isn't it kind of a little dangerous having a fuel pump mounted to the impact bumper?
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Old 04-22-2012, 08:11 PM   #5
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The fuel tank is right there as well. Drop that pump off a roof top and drop that tank off a roof top and see which is in worse shape. The fittings would be the weak link and since the sump is right there it makes it kinda moot.
Turns out I need to move that return line so that will change a bit.
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Old 04-23-2012, 07:30 AM   #6
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turns out the return is better up high on the tank so I made a new line and ordered a bung for top of tank, I'll just plug the extra bung and use as a drain if need be.
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Old 04-23-2012, 11:55 PM   #7
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I'm still young and trying to learn a lot about cars, and restoring my 75 has really allowed me to learn a lot! I know a little about adding performance for your car, like the basic engine stuff, but what does the sump do? What are the benefits of adding all this stuff?
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Old 04-24-2012, 03:30 AM   #8
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The sump is basically a place, lowest on the fuel tank in which u can plumb an external fuel pump to. The sump holds fuel under hard accelleration and is designed to keep fuel slosh to a minimum and to not starve the fuel pump of fuel during that accelleration.
Most commonly used in drag racing cars which is what I will do with this car when its complete.
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Old 04-24-2012, 01:41 PM   #9
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Okay that would have been my guess as its function, but it's good to know for sure! I figure the same function for a oil sump, to create oiling to everything even under hard acceleration or high rpms
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Old 04-24-2012, 07:16 PM   #10
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Dang how many horse power are you feeding?
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I can't tell if I'm dealing well with life these days or I just don't give a shit any more.
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