Surge Tank with stock s13 tank? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Punished · 11-30-2014, 12:12 AM

Has anyone run/seen a surge tank set up with a stock tank (instead of a fuel cell)? This would be for a drift car with 550hp.

Currently have in flow order-
Walbro 255 in tank
Walbro 255 in line just before engine bay
Aeromotive Fuel Filter
My stock tank is clean, no rust, etc.

As I understand the rules- leaving stock tank in car I do not need to seal off the back of the coupe. Not that it is time consuming to do so, I just don't feel like cutting up my trunk floor and tubing everything at the moment.

What I was thinking- Radium surge tank with external pump, mounted in spare tire well.
I can move the inline Walbro to in tank for dual setup as well (probably not needed) or just remove it entirely.

Any input on this?

jr_ss · 11-30-2014, 05:25 PM

I have the stock tank and a surge tank setup in my S14. It would be no different in an S13...

You need a larger pump than the Wally if you want 550. Bosch 044 will get you there. If your going with the Radium setup, just get their in-tank surge tank setup.

As far as rules are concerned, I would imagine that you'd still need a firewall/bulkhead built to pass inspection.

Punished · 11-30-2014, 08:25 PM

jr_ss, funny I just ran across your build thread last night and saw you put a surge on a stock tank.

Did you put fuel cell foam in your tank or just leave it as is?

Bosch 044 is what I was going to order with the radium surge tank. Was going to ask them if I should swap out my Walbro for an intank bosch as well and Im assuming remove the inline walbro I have now as well.

jr_ss · 12-01-2014, 07:25 AM

I left mine as is.

A Wally in the stock tank is fine, it is not your fuel rail feed pump anymore.

*TheRealSy90* · 01-06-2015, 12:35 PM

Can this sort of setup be ran with the oem style rubber fuel hoses? I really don't feel like converting the whole fuel system to AN lines...

11-30-2014, 12:12 AM	#1
Punished Leaky Injector Join Date: Jun 2012 Location: Washington Posts: 135 Trader Rating: (9) Feedback Score: 9 reviews	Surge Tank with stock s13 tank? Has anyone run/seen a surge tank set up with a stock tank (instead of a fuel cell)? This would be for a drift car with 550hp. Currently have in flow order- Walbro 255 in tank Walbro 255 in line just before engine bay Aeromotive Fuel Filter My stock tank is clean, no rust, etc. As I understand the rules- leaving stock tank in car I do not need to seal off the back of the coupe. Not that it is time consuming to do so, I just don't feel like cutting up my trunk floor and tubing everything at the moment. What I was thinking- Radium surge tank with external pump, mounted in spare tire well. I can move the inline Walbro to in tank for dual setup as well (probably not needed) or just remove it entirely. Any input on this?

11-30-2014, 05:25 PM	#2
jr_ss Post Whore! Join Date: Dec 2005 Location: Pa Posts: 6,052 Trader Rating: (34) Feedback Score: 34 reviews	I have the stock tank and a surge tank setup in my S14. It would be no different in an S13... You need a larger pump than the Wally if you want 550. Bosch 044 will get you there. If your going with the Radium setup, just get their in-tank surge tank setup. As far as rules are concerned, I would imagine that you'd still need a firewall/bulkhead built to pass inspection. __________________ My SR20VET

12-01-2014, 07:25 AM	#4
jr_ss Post Whore! Join Date: Dec 2005 Location: Pa Posts: 6,052 Trader Rating: (34) Feedback Score: 34 reviews	I left mine as is. A Wally in the stock tank is fine, it is not your fuel rail feed pump anymore. __________________ My SR20VET

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11-30-2014, 08:25 PM	#3
Punished Leaky Injector Join Date: Jun 2012 Location: Washington Posts: 135 Trader Rating: (9) Feedback Score: 9 reviews	jr_ss, funny I just ran across your build thread last night and saw you put a surge on a stock tank. Did you put fuel cell foam in your tank or just leave it as is? Bosch 044 is what I was going to order with the radium surge tank. Was going to ask them if I should swap out my Walbro for an intank bosch as well and Im assuming remove the inline walbro I have now as well.