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Rb36dett?

Ska

By Ska,
in General Automotive Discussion

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Ska Grand Master

Ska

Posted
Posted

Please excuse my ignorance, but I just saw this article:

http://formen.ign.com/news/16796.html?fromint=1

And it mentions the motor:

The Skyline GTR’s race-tested RB36DETT DOHC, 24 valve 2.6 liter intercooled, twin-turbo I6 at a very conservative 280 base horsepower and a very respectable 289 lb/ft of torque.

This is a typo right? What is the biggest RB motor out there?

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Deano Enthusiast

Deano

Posted
Posted
Please excuse my ignorance, but I just saw this article:

 

http://formen.ign.com/news/16796.html?fromint=1

 

And it mentions the motor:

 

 

This is a typo right? What is the biggest RB motor out there?

By the sounds of the article, they are refering to the RB26DETT so it looks like a typo. No such thing as an RB36DETT.

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dojobi Experienced

dojobi

Posted
Posted

While we're kind of on the topic, what's the biggest RB engine you could make? e.g. RB30 block, RB26 head etc - no idea what crank and other parts you'd need, but roughly how big could you make one. I realise it would totally change the nature of the engine if it was 3.5L or so, but I'm just kind of curious.

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dojobi Experienced

dojobi

Posted
Posted
We have tried up to 3.3 litres - we could have gone more, but it was diminishing returns, hence pointless.

Just for completeness, we also went as low as 2.4 litres...

Mario.

I suppose it does make sense that if you're increasing the stroke it wouldn't be as easy to rev as hard. Also, you aren't really increasing the volume of the engine that much % wise once you are adding only a few tenths of a litre.

How did the GTR respond to the reduced capacity? I think it was Nismo that reduced the capacity of a VH45DE to 3.5L and it revved like an F1 car. Your GTR already is a very revvy machine, so it must have been even better at 2.4L. If I remember correctly, you were having trouble shifting at very high revs at some point (my memory is bad, sorry). Did it make shifting harder?

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