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Rb26 Water Lines / Head Drain Kit

OMGGTR

By OMGGTR,
in Engines & Forced Induction

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OMGGTR Mentor

OMGGTR

Posted
Posted

Hi guys,

As a part of my rebuild all the mods i do also require a shit load of custom work to make them all fit.

todays question ( ive searched and found nothing) is...

How have you guys overcome the issue of using a head oil drain kit ( spool one) with the waterlines which run behind the head...

Pics are me holding the lines up. you can see the space from the head ( 10mm bolt ) to the water line bracket .

the only way past it that i can think is either bend the lines which i know will f*k them up... or cut them and insert rubber hose in place around the drain kit... but im sure it will rub and overtime cut into the hose.. :(

i purchased a justjap heater hose kit ... do any of these hoses help my issue ?

any help is greatly appriciated as allways..

cheers guys.

post-53107-0-03918200-1345899244_thumb.jpg

post-53107-0-34595900-1345899260_thumb.jpg

post-53107-0-82474600-1345899281_thumb.jpg

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https://www.sau.com.au/forums/topic/407815-rb26-water-lines-head-drain-kit/
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KiwiRS4T Grand Master

KiwiRS4T

Posted
Posted

Forget the head drain kit. Just drill out and relieve the existing internal drains. If the head drain kit does anything it acts as a breather for the sump and this function is better acheived by drilling and tapping a hole in the top of the sump and running a breather straight to a catch can - which is what I did to solve my oil out of the cam breathers problem (along with 2x 1mm restrictors on an RB30/25). Skim through the last few pages of this:

http://www.skylinesaustralia.com/forums/topic/110680-oil-control-in-rbs-for-circuit-drag-or-drift/page__hl__sk+oil+control

The Dan Grand Master

The Dan

Posted
Posted

Forget the head drain kit. Just drill out and relieve the existing internal drains. If the head drain kit does anything it acts as a breather for the sump and this function is better acheived by drilling and tapping a hole in the top of the sump and running a breather straight to a catch can - which is what I did to solve my oil out of the cam breathers problem (along with 2x 1mm restrictors on an RB30/25). Skim through the last few pages of this:

http://www.skylinesaustralia.com/forums/topic/110680-oil-control-in-rbs-for-circuit-drag-or-drift/page__hl__sk+oil+control

Drilling out the internal drains doesn't really do a lot unless you funnel the leading edge of the top side because half the hole is covered by the valve spring seat.

KiwiRS4T Grand Master

KiwiRS4T

Posted
Posted

Drilling out the internal drains doesn't really do a lot unless you funnel the leading edge of the top side because half the hole is covered by the valve spring seat.

Yep that's what I meant by "relieve" the drains.
The Dan Grand Master

The Dan

Posted
Posted

Does anyone know ? Or am i the first person with this issue?

You need to bend the lines out of the way and have them loosely sitting under the drain area rather than bolted to the head.

If you are worried about rubbing, put a slit down some fuel hose and cover the steel line where it touches. There is not a lot else you can do, that setup is designed for race applications and assumes you won't be using the standard crap back there

The Dan Grand Master

The Dan

Posted
Posted

Is there a kit u can buy that replaces that junk i really dislike it so messy

Not that I know of.

It's just water and boost. You can run vacuum hose to replace the boost but the water line will probably need to be braid or similar as it will need to go into the turbos directly

kitto Mentor

kitto

Posted
Posted

From their facebook page.

https://fbcdn-sphotos-f-a.akamaihd.net/hphotos-ak-ash3/s720x720/575130_375235542513766_80282491_n.jpg

https://fbcdn-sphotos-b-a.akamaihd.net/hphotos-ak-ash4/s720x720/485110_340008556036465_1137789783_n.jpg

https://fbcdn-sphotos-a-a.akamaihd.net/hphotos-ak-snc7/s720x720/306044_340008606036460_1294723610_n.jpg

Maybe they are not on the market yet. Their website hasn't got them listed. But its possible they are available just not online yet.

Ring Andrew and ask.

disco_potatoe Rising Star

disco_potatoe

Posted
Posted

i have the same problem on my rb25det, i have been trying to think of a way around it.

does anyone know if the line has to be on a fall, as in letting the water flow down into the turbo? or is it ok to use just rubber hose and bend it around head drain kit. i have lewis engine drain kit.

please help.

  • 8 months later...
$$slowmedown Mentor

$$slowmedown

Posted
Posted

All good guys proud owner of their first drain kit how mad ill show a pic with pipes once fitted

Keen to see/hear how you went this mate...

I am currently looking at the Nitto product

Cheers

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