Why Use A Surge Tank? What Is The Real Purpose?

[r33_racer]

yes its great line...just abit exxy. Handles the heat very well.

[Sayajin]

oil surge....fuel surge. Both shit things especially in racing. Im surprised you know what one is and how to fit one up but yet not know the purpose behind it.

Yea well, like I said. It is not that I dont know WHAT it does. I just was unsure as to the real reason behind it. Thanks a lot for all of the info everyone.

I especially like the info on the Teflon braided hoses, I will have to be SURE to get those.

-Sayajin

[Omurru]

Yea well, like I said. It is not that I dont know WHAT it does. I just was unsure as to the real reason behind it. Thanks a lot for all of the info everyone.

I especially like the info on the Teflon braided hoses, I will have to be SURE to get those.

-Sayajin

Yeh the teflon hose is where it's at, only problem is it requires different fittings from rubber hose so you can't use speedflow/earls nice colourful fittings with it they are normally just a silver fitting, more of an industrial type, on a good note though they are much cheaper What you spend on the hose you'll save on the fittings....

[Beer Baron]

that's not true at all. I've used earls teflon line a number of times in the last 6 years or so, and the regular earls compression fittings fit on it no problem. you use it the same way as the stainless sheathed rubber hose. tape it, cut it, press in olive, assemble hose end. done. for fuel use I would then get it pressure tested to be safe.

[Beer Baron]

it's all here: http://www.earls.com.au/category.php?ID=2

[Omurru]

hmmm, fair enough then. Was recommended to me to use specific teflon hose fittings and not rubber hose ones.....although I am not using the earls teflon hose it's an industrial brand, can't remember what it was...

Edit:

it's all here: http://www.earls.com.au/category.php?ID=2

It says rubber and teflon line uses different fittings Maybe the guy in the shop I go to was unaware they make fittings for teflon hose....

[Gts-t]

So who sells the best surge tank??

gcg website is down, and are's site is rubbish. Im thinking ill have to get off my ass and pay them a visit.

Also how many Ltrs does one need to be?

Edited April 17, 2007 by 2630GTS

[Beer Baron]

well i can tell you with my own two hands i've fitted earls annodised compression fittings to teflon line. in fact if you follow the link it shows you pics of them. they work in exactly the same way as the rubber ones do. just possibly a slightly different wall thickness means they have two different product lines.

[NXTIME]

I've also got teflon hose fitted for my oil return to thhe sump with Earls anodised compression fittings connecting it up. Will use the teflon in place of my existing rubber braided lines to see if that eliminates the strong fuel vapour smell from the cabin. Otherwise it will be solid lines.

[RRob]

I'm not familiar with earl's, but the in the speed flow range teflon fittings are black and blue (instead of rubber braid fitting's being red and blue).

[Gts-t]

Whats a good size for a surge tank?

[Sayajin]

From my understanding, 1.3 - 1.9L is standard size.

-Sayajin

[Omurru]

well i can tell you with my own two hands i've fitted earls annodised compression fittings to teflon line. in fact if you follow the link it shows you pics of them. they work in exactly the same way as the rubber ones do. just possibly a slightly different wall thickness means they have two different product lines.

Ok spoke to the guy in the shop again today when I was down there getting bits, he said you can use fittings for rubber braided line on teflon but they won't hold up to as much pressure, the fittings specifically designed to be used with teflon braided line (yes I know earls have a line of them too I thought I made that clear) actually bite into the line to give a better seal. In our case with fuel lines we are using teflon because it doesn't weep like rubber does, but generally people go to teflon lines because they hold more pressure than rubber. But if you want to use them for high pressure (3000psi odd) you need to use a completely different swaged on fitting anyway

[GeeTR]

So who sells the best surge tank??

gcg website is down, and are's site is rubbish. Im thinking ill have to get off my ass and pay them a visit.

Also how many Ltrs does one need to be?

People run from 2-5L. Call up some fabricators as well, as some alloy pipe, with two ends and some threaded pipes handing out of it, cant cost as much as some of the surge tanks going around.

[T04GTR]

basicly so yuo can go out to the track with the exact amount of fuel on board so your no wasting wieght. on the v8 team i was with it comes in with 1-2l left in it.

its all about saving wieght

[T04GTR]

I'm not familiar with earl's, but the in the speed flow range teflon fittings are black and blue (instead of rubber braid fitting's being red and blue).

no. thats just part of there range. the normal ones are blue and red. in both brands

heres some hard lines i made for a s15

[GeeTR]

no. thats just part of there range. the normal ones are blue and red. in both brands

heres some hard lines i made for a s15

Niiiice. Hey Dave, are the pumps outside the boot? How come the feeds also enter the top, do they go down to the bottom of the tank? Also what the wires going to the top?

Cheers!

[T04GTR]

its a sard twin pump surge tank. all inclosed. i uses two gtr pumps or bosch or whatever you can fit in it hehe. very neat option

[RAZOR32]

very nice work mate

[NIS.26L]

its a sard twin pump surge tank. all inclosed. i uses two gtr pumps or bosch or whatever you can fit in it hehe. very neat option

Dude thats a great set up real professional,where can i buy that surge tank from,and have you done the same set up to a r34 gtr yet?