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3000hp liberty gearbox for RB. I want it

khezz
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khezz Rising Star

khezz

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Liberty make transmissions for RB 25/26. basic unit is rated for 1500hp and next one up is 3000hp. Come in 3,4,5 speed and unlimited ratios. Clutchless. Prices are in USD but still seem way cheaper then any sequential. These things seem to be just about unbearable. Why isn’t any one using one in a GTR?
 

 

joshuaho96 Veteran

joshuaho96

Posted
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15 hours ago, khezz said:

Liberty make transmissions for RB 25/26. basic unit is rated for 1500hp and next one up is 3000hp. Come in 3,4,5 speed and unlimited ratios. Clutchless. Prices are in USD but still seem way cheaper then any sequential. These things seem to be just about unbearable. Why isn’t any one using one in a GTR?
 

 

Supposedly those are drag-only and can only be shifted up. To go back down a gear requires going into neutral to reset the shifter then trying to rev-match your way into the desired gear.

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khezz Rising Star

khezz

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Well I’ve sent them a message asking if the transmissions in question are streetable and what’s involved in fitting one. We will se what happens. I’m still surprised that none of the dedicated drag cars run them if they are a proven product in much much faster cars. 

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Murray_Calavera Mentor

Murray_Calavera

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Posted

Surprised this hasn't been mentioned, they pop out of gear if you let go of the shifter. So yeah, hand off the shifter and your back in neutral. 

So no, not a streetable gearbox for this reason and all the other reasons listed above. 

r32-25t Grand Master

r32-25t

Posted
Posted

With the way people have to fight the steering wheel in these cars to keep them straight, I’d hate to be having to do that with one hand because of not wanting to end up in neutral if I use both 

also if you miss a shift, it’s a rebuild and you need to cut a big portion of the floor out to get everything to fit 

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niZmO_Man Grand Master

niZmO_Man

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Posted
On 19/03/2023 at 9:16 PM, GTSBoy said:

It's totally streetable. It's just that the streets are pretty short and have lots of concrete barriers, lights and a return road.

So applicable... if you live life [drive?] a quarter mile at a time.

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