RB26 oil drain, restrictor and return in block

mangiavelox · Oct 17, 2017

I stay in a new way for my building, I just removed the head and I will put a brian crower stroker kit and I need some advices to imporve the oïl circuit of my rb.

On internet there is many threads for the oïl drain.

https://www.youtube.com/watch?v=Guesf6zMwxU&t=26s

Tomei oïl restrictor

https://www.youtube.com/watch?v=GpEjxBGhsN8

oïl return in block.

https://www.youtube.com/watch?v=M_3prtDBQOc

All these upgrades are nice but my question is if it's the right way to put all on the same engine. If the engine have the restrictor, the oïl return in block increased and the oïl drain added, it will remain enough oil in the up of the head ?

GT-R David · Oct 18, 2017

https://www.sau.com.au/forums/topic/110680-oil-control-in-rbs-for-circuit-drag-or-drift/

Read the second have of this thread carefully and you will know what to do.

mangiavelox · Oct 23, 2017

Thank you for the link...

If I understand well the post if all these mods are fitted with an upgraded oil pump it's a nice combo

Skyrel · Oct 24, 2017

There was a thread on overfilling as well on this forum from someone who monitored the oil pressure with a very sensitive sensor that he datalogged on the track. Im not sure if he had any oiling mods, I think not, but the data was very interesting. If I remember it correctly he had pressure drops when the oil level was on maximum and they went away when he overfilled (I believe up to the bump on the dipstick). Not really a mod, but well worth to look into when you get it running.

AlexJ · Oct 24, 2017

That's me

Running around 400wheel hp on an N1 pump, tomei restrictor in the feed to the head, big oil cooler and 15w50 overfilled to the top hump on the stick. Worked well on track on good A048R and AD08R tyres.

RB26 oil drain, restrictor and return in block

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