Big Sump for RB25DET

[Freebaggin]

Does anyone know if you can buy a big sump for RB25DET off the shelf?

Also any details on volume increase, windage trays, pics etc. would be great.

Ta.

[Ronin 09]

Freebaggin,

http://www.skylinesaustralia.com/forums/sh...&threadid=24468

about half way down the page... i am interested if we can get anyone to make some up for us instead

[grepin]

Hey kenny

Mick Stanic warned me about oil surge when going on the track.

Very dangerous he believes.

[Freebaggin]

Grepin, yep that's right and hence the reason for this post. Does Mick do custom oil sumps for RB25s?

Ronin 09, thanks for the link, $900 is bullshit.

[KamikazeR33]

i know UAS have a larger sump for r33 gtst

[Steve]

Freebaggin,

AED quoted me around $400, was a while ago, cant remeber the details but he may be worth a look in.

[Duncan]

lol, another case of Sump Baffle Syndrome (SBS)!

Are you guys personnally aware of any RB25DET that has had problems caused by oil surge on the track?

I will admit that I have heard of some RB26DETTs in race cars running slicks that have had problems, but not 25s.

[Steve]

Just found something that may help, an add in zoom - High Energy high performance oil pans - says they make to suit nissan,

In vic, free call 1800 622 104

[Freebaggin]

Cheers Steve and co., I will look into it and let you know.

[Chris32]

Yeah mate, a big sump will be a good idea - especially once the truck turbo goes on and the pistons have no ring lands left on them - you'll be burning more oil than fuel!!!!! Thats where the extra capacity will come in handy!!!

Nah seriously though, not a bad thing to get, and maybe a oil cooler as well. Did you contact the place in Victoria?

[Sydneykid]

Hi Duncan, "I will admit that I have heard of some RB26DETTs in race cars running slicks that have had problems"

We have rebuilt 3 X RB26's that had problems, no slicks. Two just had normal road tyres, one had R type tyres. But like you, I would like to hear from anyone who has had a problem with oil surge in an RB20 or RB25 in a RWD chassis.

[Duncan]

Yeah, and another of the club's RB26DETTs on road tyres blew up at Eastern Creek about 12 months ago.

But really, AFAIK these examples are all *really* hard track driven cars, and all GTRs. I just think there is a bit of hysteria regarding SBS (Sump Baffle Sydnrome) on the forums at the moment.

[benm]

I think the GTR boys are just looking for excuses if you ask me Duncan.

[Freebaggin]

The main reason for bigger sump was as a substitute for a cooler. I've assumed that the bigger oil capacity would be enough to give the motor a bit of protection during the occassional hills blast and track days.

I have also assumed the big sump would be much cheaper and simpler than cooler setup.

So RB26 vs RB25 oil pressure issues are simply due to

- exit corner G force with GTR vs GTS-T or

- some inherent design fault or

- 1k higher RPM limit with RB26s????

If the standard sump is OK for my next step, bigger turbo and therefore higher RPM use, maybe up to 7600rpm then I won't worry about it.

By the way, are RB25s OK for valve bounce at higher boost & RPM?

[Steve]

GTR has a bloody great diff in the middle of the sump;)

[Clint32]

Im guessing by the time you buy a sump and go to the hassle of fitting it a oil cooler would be cheaper and easier to fit. Cooler should only be about $300, and another $200 for fittings and the mount block.

[Guest INASNT]

Originally posted by Clint32

Im guessing by the time you buy a sump and go to the hassle of fitting it a oil cooler would be cheaper and easier to fit.  Cooler should only be about $300, and another $200 for fittings and the mount block.

The good oil coolers with the remote oild filter adapter sell for around $800 new!

[Clint32]

the Jap big name stuff sells for that, you can get other good stuff for less if you look around

[JNR24]

Thermocool??

Aussie brand, rockett distributes them.

Very high quality. REASONABLY priced. (300-400 Brand new)

you only get what you pay for. But theres no way i can justify spending $800 for a oil cooler.

[Steve]

Originally posted by Clint32

the Jap big name stuff sells for that, you can get other good stuff for less if you look around

Hi Clint, do you have any examples or urls with details?

Cheers