Surge tank etc.
Ok, im going to make a surge tank setup.
I have an aeromotive stealth 340lph in tank. Thinking of buying a 2.5l surge tank and use a 044 as the external pump. What do you think? Its proper? I would like to know your thoughts. |
Why do you think you'll need a surge tank in the first place?
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All of rx7s have issue with starvation at high sideways g forces.
I dont want to blow up my engine. |
Ive never heard that to be a systemic problem with FC's but unless you have the resources or the need to have a surge tank(professional drift events). i would just keep the tank full when your sliding.
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yea just run a stock pump in tank. run those lines to your fuel cell that has the high flow pump.
the in-tank pump can just be a stock turbo 2 pump or an NA engine pump some people run carburator (spelling??) low pressure pumps that put out lots of flow. it isnt highly pressurized untill the after the second pump hits the fuel pressure regulator the return needs to go from the regulator back to the fuel cell and then back to the tank |
Am i going to use an aftermarket fuel pressure regulator?
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oh yea... and aftermarket lines as well. It is going to be pretty expensive with all the AN fittings and what not.
I have just installed a holley dominator dual pump in-tank, with -8AN lines feed and return, using a turbosmart 1200 fpr (BLACK: TS-0401-1004) and NO issues with fuel slosh really. i keep it pretty full |
How much for all these?
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$350 for 20' Earls fuel line and 4 hose ends (-8AN)
$150 for Regulator $120 for hose ends and fittings on fuel rails idk dude i just spent like $1400 on my fuel system and thats with no surge tank |
I have stock fuel rails and imjectors.
On the other side, im thinking of buying a racing fuel tank about 10 gallons. |
Stock Injectors= stock power
surge tank is overkill. Really. |
The stock fuel tank has a small holding tank with a hole.
If you wanted an easy fix, you can make a holding hat and divert the fuel return into the box. Im currently making this, It will be a very easy solution and will cover most fuel slosh problems. stock or modified, you don't want fuel slosh issues. So if your local track has some high speed left hand turns, a surge tank / anti slosh / reservoir is a great cheap idea. The FDs have a nicer fuel sock tank, and they make a nice cover that works very well. Unfortunately the FC tanks don't have the best fuel pump pick up design. |
FC system
https://www.rx7club.com/attachments/...r-fc3s-069-jpg Stock FD with hyperion surge cover https://www.rx7club.com/attachments/...on-surge3-jpeg stock 99 spec ? FD https://www.rx7club.com/attachments/...p-dsc00007-jpg Nice upgrade, but you loose utility space in the back https://farm7.staticflickr.com/6075/...bdabbf68_z.jpg |
So do you have an update to this solution??
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there are many solutions posted in this thread.
You can use a stock pump and run that to your aeromotive in a surge tank you can modify the swirl pot located in the tank to help with slosh you can just keep it topped off all the time. i wouldnt go with a 10 gallon fuel cell as it is small and more work required, just build a surge tank with your aeromotive pump inside and buy some -6 AN fuel line to run to and from the engine and fuel tank. |
What about welding sump tank to the oem tank?
http://www.summitracing.com/parts/cee-4041 http://static.summitracing.com/globa...EE-4041_xl.jpg |
https://cimg9.ibsrv.net/gimg/www.rx7...6de6359714.jpg
Great thread showing the inside of a variety of RX7 tanks! My solution (1986FC) is to mount this under the hood, attached to the shock tower area. Using URO brand pump inside a 1.5 liter aluminum tank ($45 on ebay) |
Originally Posted by mschiap
(Post 12507844)
https://cimg9.ibsrv.net/gimg/www.rx7...6de6359714.jpg
Great thread showing the inside of a variety of RX7 tanks! My solution (1986FC) is to mount this under the hood, attached to the shock tower area. Using URO brand pump inside a 1.5 liter aluminum tank ($45 on ebay) |
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