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Ben Socratous
Goo Roo
SA
I am the fibreglass/kevlar/carbonfibre king!

Posts: 1826
Reg: 07-2005

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Thursday, September 18, 2008 - 07:50 pm, by:  Ben Socratous (Socrates) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

After a brief search, I have yielded conflicting information. just wondering if anyone has a confirmed answer for the following...

From some deliberation, I have come to the conclusion that I NEED to run a surge tank (car will see some serious cornering when finished), as a few people here who have done track work all seem to complain about fuel starvation issues.

So, from what I can gather I need to do the following;
Mount surge tank. Filled from stock tank with stock pump. Pumped from surge tank to engine via Bosch 044 or similar, on a constant hotline relay switched from the stock fuel ecu.

Obviously there is a few filters and return lines thrown in as well, but that basically sounds about right does it not?

On a totally different angle, is there any way I could graft the stock fuel level sender into a custom tank? The lads at the shop are hell bent on making me a baffled custom tank, with inbuilt swirl pot. I told them that if I can still use the original fuel gauge in the dashboard I might look at their ideas.
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 9976
Reg: 11-2004

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Thursday, September 18, 2008 - 10:45 pm, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

What about a fuel cell in the wheel well like Adndrew McKellar is doing? Too hard core for your needs?
Ben Socratous
Goo Roo
SA
I am the fibreglass/kevlar/carbonfibre king!

Posts: 1827
Reg: 07-2005

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Friday, September 19, 2008 - 06:53 am, by:  Ben Socratous (Socrates) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Not so much too hardcore, just I have a list of requirements for the car...
1, I am keeping a full size spare at all times
2, I am keeping the original instrument cluster so need to make sure everything on it is operational
3, I need some form of fuel surge system

To many decisions :/
Ben Socratous
Goo Roo
SA
I am the fibreglass/kevlar/carbonfibre king!

Posts: 1830
Reg: 07-2005

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Friday, September 19, 2008 - 04:47 pm, by:  Ben Socratous (Socrates) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

No other opinions? Guess I'll be doing a bit of trial and error then :-)
Ben Lipman
DieHard
NSW
Soarer TT manual

Posts: 895
Reg: 04-2006

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Saturday, September 20, 2008 - 08:35 pm, by:  Ben Lipman (Ben12a) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ben,

when I converted my carby 12A rotor to a 12A efi turbo I just installed a small surge tank between the tank and the fuel filter. I put mine under the car (due to the hatchback design of the Rx-7 more than anything). The in tank pump filled the surge tank and a second pump provide fuel to the injectors under the required pressure. Power was hard wired to the battery with a relay to a system that goes 'hot' with the ignition switch set to "on".

Basically what you have said.
Matt Petersen
TryHard
NA
V8

Posts: 243
Reg: 01-2008

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Sunday, September 21, 2008 - 05:08 am, by:  Matt Petersen (Mattmannz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

If you are going to run a second pump it has to be triggered by the main pump which is only fed when the motor is running.

You do not want the pump running all the time as in an accident this could blast high pressure fuel everywhere.

Matt
Danny Hennrie
Newbie
wellington
v8

Posts: 1
Reg: 09-2009

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Tuesday, September 15, 2009 - 04:36 pm, by:  Danny Hennrie (Dhennrie) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

hi can anyone help me i have taken my fuel tank out and put another one in, the tank came with the fuel sender unit and pump and now my car wont idle thanks
Matt Petersen
DieHard
NA
V8

Posts: 580
Reg: 01-2008

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Tuesday, September 15, 2009 - 05:14 pm, by:  Matt Petersen (Mattmannz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Why did you replace your tank? You should probably create a new thread to address your issues rather than jack this one.

Matt.
Evan Kaio
DieHard
Beautiful sunny good @ rugby NZ
'91 UZZ31. 92 TT

Posts: 516
Reg: 01-2007

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Wednesday, September 16, 2009 - 07:30 pm, by:  Evan Kaio (Knave) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Now now Matt, Danny's first post.
To answer your question, the tank was replaced
because it had collapsed and broken the fuel level sender.
I'll start another thread for Danny.

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