rb30 vct - GT-R Register - Official Nissan Skyline and GTR Owners Club forum

waxer52 · 30th July 2008, 05:22 PM

Just gathering as much info as I can, I will be fitting my rb25det head to an rb30 bottom end.
This is a link to using a different way of supplying oil for the vct on the rb25det head
Vct Alternative For 25/30 - Skylines Australia
Has anyone tried this and did it work?

Wanabee Kiwi · 30th July 2008, 11:36 PM

Yes it does work, i have a mate with a RB25/30 and it runs really good. It's a shame really because the engine is really good but the rest of the car is really rough.

fletch.rb30 · 31st July 2008, 04:28 PM

Yea it works well.
I still prefer the external line as it is a bit of a trick to get the brass plug out of the gallery and then machine a new one and tap it in and drill into it.

I dont have any pics doing it, but if your near london i can do it for you, for a small fee.... well maybe 12 small fees, about 500ml each

waxer52 · 31st July 2008, 05:09 PM

Sorry mate not in London.
I'm attempting an Irish rb30 build.

I have the facilities for machining the brass, but if you had a diagram of rough dimensions or a diagram of hoe to do it that would be great.

R33_GTS-t · 11th August 2008, 12:36 PM

Autospeed did an RB25/30 conversion, so it must work.

30th July 2008, 05:22 PM	#1 (permalink)
waxer52 GTR Register Member Join Date: Jun 2006 Posts: 49	rb30 vct Just gathering as much info as I can, I will be fitting my rb25det head to an rb30 bottom end. This is a link to using a different way of supplying oil for the vct on the rb25det head Vct Alternative For 25/30 - Skylines Australia Has anyone tried this and did it work?

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30th July 2008, 11:36 PM	#2 (permalink)
Wanabee Kiwi GTR Register Member Join Date: Mar 2007 Location: Christchurch NZ / Oxfordshire Posts: 542	Yes it does work, i have a mate with a RB25/30 and it runs really good. It's a shame really because the engine is really good but the rest of the car is really rough.

31st July 2008, 04:28 PM	#3 (permalink)
fletch.rb30 GTR Register Member Join Date: Jun 2008 Location: N.E London Posts: 58	Yea it works well. I still prefer the external line as it is a bit of a trick to get the brass plug out of the gallery and then machine a new one and tap it in and drill into it. I dont have any pics doing it, but if your near london i can do it for you, for a small fee.... well maybe 12 small fees, about 500ml each

31st July 2008, 05:09 PM	#4 (permalink)
waxer52 GTR Register Member Join Date: Jun 2006 Posts: 49	Sorry mate not in London. I'm attempting an Irish rb30 build. I have the facilities for machining the brass, but if you had a diagram of rough dimensions or a diagram of hoe to do it that would be great.

11th August 2008, 12:36 PM	#5 (permalink)
R33_GTS-t GTR Register Member Join Date: Apr 2005 Location: [544] days from disposing of Labour. BNFL are shit. One repossession, one (bank) window. Posts: 8,135	Autospeed did an RB25/30 conversion, so it must work.