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Greddy Breather Tank

im late

By im late,
in Engines & Forced Induction

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im late Proficient

im late

Posted
Posted

Hey All,

I have finally bothered to try and install my GReddy Breather Tank (for those people that reckon it's not needed, that is irrelevant to this post as I want to install what I already have bought) :/

As usual all instructions are in Jap. So I did a bit of searching and came up with the English translation of the connection diagram on the back of the packaging:

BreatherTank.jpg

Now every connection makes sense except one. The one the needs a feed from the top of the head.

I know on the RB26 there is a "Cooling System Air Drain Plug". It is just a screw fitting. This is normally used to help air escape when you are performing a full coolant flush/refill. I think it is part of a vacuum chamber which feeds to the fuel pressure regulator.

So my question is where do I connect the "hot" water feed required from the head?

Has anybody on SAU have a Breather tank installed in their RB26? Pictures of your setup would be nice. 

Any help is appreciated (saves me $$$ getting a mechanic to do it)

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Wheezy Mentor

Wheezy

Posted
Posted
Lot of expense for nothing

380rwkw circuit/targa cars car run a stock setup... if its good enough for them.. well...

Have you ever seen one of these in action? Great for bleeding the coolant system the rest of it's functionality does not bother me either way.

Im thinking people are over the "My way or the highway attitude", there is more than one way to skin a cat, no pun intended Trent :/

Mr. Untouchable Experienced

Mr. Untouchable

Posted
Posted

i'm installing one of these now on my 25. I'm sorta with nismoid when it comes to standard engines. (not standard power wise, as in stock plenum, T/B, radiator etc.

I have altered my coolant system by fitting a forward facing plenum, and not running coolant thru the T/B. the highest point has changed and i no longer have the factory coolant bleeder. so i'm running a line from the old bleeder point nibble on the plunum (factory runners and flange) and one from the bottom radiator hose and I have a swirl pot here I may put in the top radiator hose and might run a line from that also.

as for expense, you can pick up D1 or M spec breather tanks for a around 100 bux. a coolant line fitting a nipple go for round 30 bux and then its some silicone line. not too much expense really.

R31Nismoid Grand Master

R31Nismoid

Posted
Posted
Have you ever seen one of these in action? Great for bleeding the coolant system the rest of it's functionality does not bother me either way.

Im thinking people are over the "My way or the highway attitude", there is more than one way to skin a cat, no pun intended Trent :)

You already get one from the factory...

Yes i've seen them in action, a much better setup than the greddy as well, still doesn't mean you need one :)

STATUS Grand Master

STATUS

Posted
Posted (edited)
You already get one from the factory...

Yes i've seen them in action, a much better setup than the greddy as well, still doesn't mean you need one :)

yes the greddy and D1 systems are extremeley simple but they are effective and like you i dont think modifying the coolant/vacuum rail on the manifold is warranted. What most people need is a simple fix i think the whole setup owes us $100 :)

i can tell you that if you fit a forward facing plenum it is a must. It was also mandatory on our car as we run only two coolant hoses on the whole engine upper and lower rad hoses and bleeding the system was nearly impossible (rad is quite low too).

(Fit a clear hose to your engine and watch it on the dyno) you will be suprised after some heavy work the shortcommings of the std setup.

Edited by URAS
r33cruiser Grand Master

r33cruiser

Posted
Posted
yes the greddy and D1 systems are extremeley simple but they are effective and like you i dont think modifying the coolant/vacuum rail on the manifold is warranted. What most people need is a simple fix i think the whole setup owes us $100 :P

i can tell you that if you fit a forward facing plenum it is a must. It was also mandatory on our car as we run only two coolant hoses on the whole engine upper and lower rad hoses and bleeding the system was nearly impossible (rad is quite low too).

(Fit a clear hose to your engine and watch it on the dyno) you will be suprised after some heavy work the shortcommings of the std setup.

um wut? :w00t:

i was strongly advised against using one from my mechanic and tuner. if u have a radiator in the stock position why use one. its aimed at v mount setups that dont use header tanks...or so i was told.

ps i run a forward facing plenum, dont use one and im fine :P

STATUS Grand Master

STATUS

Posted
Posted
um wut? :thumbsup:

i was strongly advised against using one from my mechanic and tuner. if u have a radiator in the stock position why use one. its aimed at v mount setups that dont use header tanks...or so i was told.

ps i run a forward facing plenum, dont use one and im fine :laugh:

probably as your tuner does not know what it does....... if you read the second part of my post and carry out the simple test you will soon see why rb25's with forward facing plenums benefit from a swirlpot.

nIsMo86 Experienced

nIsMo86

Posted
Posted

I completely agree with URAS...its not necessary but it is beneficial as it is easier to bleed and will stop you having unwanted air in system.

It works like a header tank does on alot of cars these days...eg mazdas, most saabs, etc. These cars do not have bleed screws to get rid of the air. I personally think it is a good design and am keen to set one up on my RB20.

Has anyone done a breather tank on an RB20 and have pics of their setup? Sorry for hijacking the thread a bit. Just keen to see how people have done it.

I was thinking to run mine off the coolant lines that go to the throttle body or tap a nipple into the bleed screw hole on plenum.

9krpm Mentor

9krpm

Posted
Posted
Installed this Afternoon (car wasn't started yet when photo was taken so thats why there is not much coolant in the lines).

IMG_0031.jpg

From the picture, the bleeder tank is too low.

Your bleeder tank coolant level needs to be higher and above the head bleeding point for it to be effective.

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