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Hey guys,

Out of curiosity how much power did you put out before your gearbox has blown with the rb30.

Give us a rough breakdown on the
- clutch ( single / twin / triple plate )

- torque figure

- kw / hp

- how you drive it ( track it here and there / often or street it only )

My gearbox is in great condition when i was running 234kw on the 26 and redline oil but now ive got a RB30 with HKS2530's expecting close to 600hp, probably a decent torque level too with the ported head, ported manifolds , ported rear housings etc...

Going to wakefield soon.. Will probably blow the gearbox there... hopefully not till the end of the day haha.... can only hope !
I've got a single plate 6 button brass button now without a spun centre which is gna be a bastard... Lol... told jim berry i wanted something nice and driveable but he gave me that ... oh well..

How did yours go ?

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Hey guys,

Out of curiosity how much power did you put out before your gearbox has blown with the rb30.

Give us a rough breakdown on the

- clutch ( single / twin / triple plate )

- torque figure

- kw / hp

- how you drive it ( track it here and there / often or street it only )

My gearbox is in great condition when i was running 234kw on the 26 and redline oil but now ive got a RB30 with HKS2530's expecting close to 600hp, probably a decent torque level too with the ported head, ported manifolds , ported rear housings etc...

Going to wakefield soon.. Will probably blow the gearbox there... hopefully not till the end of the day haha.... can only hope !

I've got a single plate 6 button brass button now without a spun centre which is gna be a bastard... Lol... told jim berry i wanted something nice and driveable but he gave me that ... oh well..

How did yours go ?

This will be interesting I have one of the jim berry clutches too just built I think its solid centre to and im getting my 26/30 built as we speak

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Guys, what's your turbo selection?

Precision 7175, come on Paul give me the bad news. :)

On the other hand, give me directions for a good box that should hold up......

Edited by GTRPSI

Good luck :D.

As for the box, you'll start to realise there is a "gap" in the market. OS set, maybe, but a few guys on here have busted them with sub 500 kw atw, let alone the 5 million you're gonna make with that thing! Whatever the direction, it's $$$ and lots of it! The 1-4 PPG helical dog set is prob the cheapest way out.

The 1-4 PPG helical dog set is prob the cheapest way out.

Ive been lurking in that PPG thread of yours a few times now, seems to be the right way going by discussions.

At the moment saving pennies and dimes, and trying to convince my son to do the change before the engine goes in, while he still has a box to work on before he blows it.

Watching.

I have an rb30det in a patrol, same gearbox (internally), weighs in at 2200kg on 35" tires, so has massive drive train load. (and 240,000km old)

My only upgrade was the cusion button sprung center clutch- 2100kg pressure plate.

Don't have a power figures yet, but guesstimate around 200-210kw atw?

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