R33 Rb30 Conversion

[Cubes]

just thinking about the volumes of these return lines, if the volume gets too high it might cos a block

in the system and not allow the oil to return fast enough.. just a thought.

Well yer thats the idea behind it. BUT realistically have you seen the size of the turbo's oil return?

Have you seen the size of the heads internal oil return?

Its massive.

I really don't think the T'ing in is the issue, I think its the overall setup. Oil pump used + oil restrictors used.

All the ppls I know of that are or have had issues is due to the oil restrictors.

My tuner has recently done a VL rb30/25 that had the same issue, he's in the process of ripping the head off and dropping smaller restrictors in it.

[5hift]

hi all. this WASN'T covered in this thread (actually used the search )....are any of you familiar with the RB30 used in a nissan patrol? think it came carbed. Can this engine be used? thank you

Edited March 9, 2006 by 5hift

[StockyMcStock]

i would say it's not an issue to Tee the line in if you have quite a large oil drain from your turbo. for instance, mine is 3/4 inch ID braided line which is huge, even for an oil-only turbo drain. i would have no qualms teeing mine in, if it comes to that.

[Craved]

Joel, did you happen to remember the other company in AUS that sells the restrictors?

[Cubes]

Nope..

I stumbled upon the company via this board. Be buggered if i can find it again though.

[Craved]

oh bugger lol, got a supplier trying to chase the tomei ones from JPN, see what that turns up.

did you see the question about the heater feeds?

[r33_racer]

3/4" is about 19mm or 19.05 (if your a fitter'n'turner) which is a pretty bloudy big ID. So assuming that running nothing higher then a normal det oil pump and some form of head restriction or not?? T'ing into the return is prob gonna be ok. In the case of running a N1 oil pump or a/m equivalent with no head restriction and T'ing into the return will probably (no exact proof yet) cause some sort of return restriction. (based on Joels comment about the T'ing)

So in the case of that setup occuring then the most likely and easy fix is to give the head return its own bung and line into the sump somewhere. Otherwise it will be time to remove head and put restrictors in.

Everyone else agree that would be the obvious fix/mod to rectify or prevent that problem from occuring.

In my own engine Im going to run restrictors/the std head return into the sump/another return from back of head into sump and hopefully that will be enough to manage the oil control problem.(race car though) needs to be overkilled.

[Craved]

yeah, i have to braze (could be braise) a lug into the sump for the oil temp guage anyway, so i'll just pop another one in there for the head return, better off not risking it, if it COULD cause an issue.

once its in, i dont wanna take it back out lol

[Cubes]

Craved,

RE: Heater Fittings.

I'm not sure I know what you mean, any pics?

The RB30 block requires you to screw out (rear of the block drivers side) the rb30 item and screw in the rb20/25 item. You are also required to remove the pressed in water connection located on the thermostat housing as the rb30's item is once again different.

These parts can be had from nissan new, they are cheap.

Thats the only heater hose block attachments I can think of.

Pic attached is of the rb30 block with the rb20 rear heater hose attachment (as can be seen to the left of the green knock sensor and the other water hose attachment poking out of the thermostat housing.

While on the topic of heater hoses etc... PLEASE AVOID GROMMET rubber hosing/fuel hosing at all costs.

Its total crap, my grommet efi fuel hose began to crack after 1year and another grommet heater hose I used became very very hard resulting in slight coolant leaks when the car was viewed first thing in the morning.

[Craved]

HAHAHA well arent i silly .. as i only have bare block, i think i was refering to the knock sensors .. the green things near 5-6 and 2-3 Cyls.

cant see on my car what they connect too, and they look like hose connections..

well the info on the hose connections on the thermostat i didn't know..

GROMMET - is that a brand or a type of hose?

[Cubes]

lol.

yes Grommet is a brand of hose. Supercrap sell it.

[Cubes]

and..... a few pics from tomei.

And where to get them from..... Greenline appear to sell them for 500Y.

Thats... 500 Japanese yen = 5.78345824 Australian dollars + postage. Sucks when postage is worth more than the item.

Postage to aus via ems is $18.50 aud.

[Craved]

lol.

yes Grommet is a brand of hose. Supercrap sell it.

hahahah. yeah .

im using 600psi hydrolic hoses for everything .. from Enzed think they are coated for use with fuels.

think i'll wanna replace every water hose in my engine bay, after the turbo install i had 3 lines bust.. hate trying to fix them.. always hard to get to!

[Craved]

and..... a few pics from tomei.

And where to get them from..... Greenline appear to sell them for 500Y.

Thats... 500 Japanese yen = 5.78345824 Australian dollars + postage. Sucks when postage is worth more than the item.

Postage to aus via ems is $18.50 aud.

oh dear hahaha... wonders if some one bought a large amount, the cost of shipping would be heaps cheaper..

and yes, hate it when shipping = more... could just use normal envelope for these though lol

just checking if the ones for RB26 will fit the rb25, as none listed for the rb25 on greenline.

Edited March 9, 2006 by Craved

[Cubes]

I use Dayco 300psi fuel hose.

[Cubes]

I will grab a few things at once if thats the case.

I NEED. lol <looks around to see if the other half is looking, nope, ok quick type>

PFC 60cm extension cable $13.80

PFC Boost control kit $355.37

2 x tomei restrictors $11.56

+ ~$40 postage.

I've done quite a bit of searching. It looks as if the std tomei rb26 headgasket doesn't include a restrictor. Its ONLY the headgasket kit that does. The Headgasket kit also includes manifold gaskets.

[Craved]

I will grab a few things at once if thats the case.

I NEED. lol <looks around to see if the other half is looking, nope, ok quick type>

PFC 60cm extension cable $13.80

PFC Boost control kit $355.37

2 x tomei restrictors $11.56

+ ~$40 postage.

Hahahaha yeah, i hope i dont need anything else thats the thing. and where are you taking the PFC controller to need 60cm more lol i find the std ones too long

*runs to check greenline just incase

I've done quite a bit of searching. It looks as if the std tomei rb26 headgasket doesn't include a restrictor. Its ONLY the headgasket kit that does. The Headgasket kit also includes manifold gaskets.

always under the inpression the tomei one came with it, i like how greenline shows the CR change with each of the different gaskets . good info to keep for working out what CR i'll run later.

[Cubes]

The reason I want the extension is so that I can easily remove the h/c and plug in a datalogit.

off topic but...

Here's a good thread regarding piston oil squirters.

http://gtr.co.uk/forum/upload/showthread.php?t=36648

It doesn't really show anything we don't already know but there is a few interesting bits.

[Craved]

The reason I want the extension is so that I can easily remove the h/c and plug in a datalogit.

off topic but...

Here's a good thread regarding piston oil squirters.

http://gtr.co.uk/forum/upload/showthread.php?t=36648

It doesn't really show anything we don't already know but there is a few interesting bits.

Ahhh yes, datalogit would be awesome to get.. i still have to figure out how to turn the closed loop back on on the pfc.. things its in etc and the top one. but not sure what the jap symbol should look like..

only reason i think its not on, it because the AFR guage doesn't "bounce" when cruising like it used to..

hmm more reading, i should be working lol

[Bl4cK32]

i shouldnt need them oil restrictors should i cubes?