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Hi Charlie. 10 was with Trust 6 speed but in 4th. Everyone seems to have pretty low trap speeds at ASID. Seems about 130 mph (my fastest trap speed) is it for 4th anyway and my r32 doesn't have the power low enough in the curve to pull 5th properly at the strip. I'll post up my dyno sheet on my drag racing thread. The OS Giken clutch also is feeling/sounding a bit wierd that's why I'm getting yours. $2700 to rebuild an R3C - that's a friggin joke !

Yep, smashed 3rd in a series 3 box with OS Triple plate. Replaced it with an OS 5 speed box and billet centre plate i bought from Charlie(NXTIME) and loved it though sold not long after. I was making around 370kw atw and was spinning hard long into 2nd on the road no dramas.

  • 2 months later...

Running a os gikken twin plate sprung center clutch. Nicer on the gear box compared to the triple I had..

Got a second hand gearbox rebuilt last year with new bearings and synchros, put that in and it worked well (350RWKW).

But now something has flogged out in it the other night. It seems like it's some type of thrust bearing or washer maybe that has flogged out.

Makes a light dull grinding/ little tap noise.

It only makes noise when:

In neutral,

In any gear, even reverse on light throttle to full acceleration.

No noise when:

Decelerating,

Push the clutch pedal in to dis engage the input shaft.

Pissed me off that it cost me $1975 to get rebuilt, but it is handling double factory output though.

I think I'll go a brand new box and service it more often...

  • 5 years later...

The last posts were back in April "09" are there new boxes available now.

Have a standard R34GTR box and I will have around or over the 400awkw after a 3.2 stroker build and have an OS Giken Quad Clutch, if 2 and 3 plates are tough on boxes how will a quad go :unsure:

Smash it to bits. The clutch you have isn't sprung centre and well and truly overkill for what you want. Pete, I'd suggest to change that bad boy and give the box a fighting chance if living.

Thanks , I think,haha

Go to the Nismo twin coppermix?

What would you suggest?

If you can't get your username right, how do you expect to learn all there is to know about 1000hp GTR's in a few weeks?

It's so damn confusing. Which one is your real username Pete?

Hi Scotty

I have explained this a few times but here we go again , anything for you Scotty :wub: .I have even asked the SAU site for an answer to the problem, but I think it has to do with my security on the laptop and I cannot get it to work. I could not sign in on my laptop under TT350GT so I had to register as "The Real nismo1" and with a different email address , so when I am not able to access my PC I could still log in , read and participate in the Forum , SORRY :yes:

Why don't you use your wealth of knowledge for good instead of evil and answer some questions instead of being Mr Picky :action-smiley-069: maybe there should be an R in there somewhere :whistling:

As someone considering going GTR this thread concerns me. 380/450kw on e85 is a lot more common and smahed gearboxes appear to be a very constant issue.

Is it as bad as this thread suggests? With so many failures over so much time, has anyone 'fixed' this pre-emptively?

  • Like 1

As someone considering going GTR this thread concerns me. 380/450kw on e85 is a lot more common and smahed gearboxes appear to be a very constant issue.

Is it as bad as this thread suggests? With so many failures over so much time, has anyone 'fixed' this pre-emptively?

[/quote

^^ I have been spooked by the posts and other stories online but there seems to be a common problem,big motors, tough clutches and hard changes but it is hard not to get into the next gear ASAP and easy enough to stuff the shift, even for a lot of you blokes that have been doing it for yonks!

I have put my build on hold until I sort out my clutch/box situation. I have to make up my mind before I have the motor out and going to or past 400awkw with a heap of torque.If I am going to spend a shat load on the build I should get this box/clutch thing sorted as best I can and fixed with the build.

So I will keep my mind open and listen to you blokes.

From what I have read and been told, there are no absolutes with high KWs and how long a particular part will hold up under the stresses these powerful motors and drivers put them under but it seems you can make changes that will help and save $s down the track :)

I think the other answer is, with these high performance cars,shat is going to happen sooner or later, so save some money to fix the next problem or sell it while it is still going OK :(

You push high power, you will be constantly finding the limits of parts, driver sympathy plays a major role in saving boxes.

Be gentle and it may last to some degree, be a brute, expect to be changing boxes often.

We bought a newly refurbished Trust/quaife 6 speed dog box, does not guarantee anything, all it takes is a hard lauch on sticky rubber and it could break a input shaft in a blink of an eye.

If you want something as good as it gets try a PPG gear set or part with the cash and go Hollinger.

You push high power, you will be constantly finding the limits of parts, driver sympathy plays a major role in saving boxes.

Be gentle and it may last to some degree, be a brute, expect to be changing boxes often.

We bought a newly refurbished Trust/quaife 6 speed dog box, does not guarantee anything, all it takes is a hard lauch on sticky rubber and it could break a input shaft in a blink of an eye.

If you want something as good as it gets try a PPG gear set or part with the cash and go Hollinger.

Yeh, a bit of TLC must help but hard to do all the time, might have a look into PPG as I think the Hollinger is about $20k

Sometime crap happens when you are not even trying, a bit of gravel spin and then bite hard can = $$s

I'm running 450kw at wheels on e85 through a stock box, previously at 410kw went to the drags, no issues

Another drag night coming up on the 16th July

Should hold up, box doesn't crunch or anything might just be lucky

I'm running 450kw at wheels on e85 through a stock box, previously at 410kw went to the drags, no issues

Another drag night coming up on the 16th July

Should hold up, box doesn't crunch or anything might just be lucky

I think I should just get the main work done drive the car the best I can and if/when it goes pop fix it instead of worrying about , when and if :)

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