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Lighter Pulley Kit + Tailshaft

justinfox
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JAGR33 Grand Master

JAGR33

Posted
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yeah mate running the bigger one(doesnt look quite as pretty , but tough as nails) and still light

cheers russ

How much was yours Russ? PMme if you want..

I wonder what the price difference is between the one Justin got and Russ' one...

T04GTR Grand Master

T04GTR

Posted
Posted
i run a one piece carbon tailshaft, and it is almost half the weight and we spin it to 8200 rpm also its rated to 1500 hp.

cheers russ

p.s we also dont have problems anymore with driveline shudder from the centerbearing on hard launches with the carbon one piece shaft.

hrmm. thats exacly what im after. mine shakes and wheel hopps heaps bad with my new nismo tripple. oh and my shaft is worn out. lots of backlash in the joints

  • 3 weeks later...
Beer Baron Grand Master

Beer Baron

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hrmm. thats exacly what im after. mine shakes and wheel hopps heaps bad with my new nismo tripple. oh and my shaft is worn out. lots of backlash in the joints

dave, if you don't want to splash out on the carbon shaft get one of johnny's one piece chro-mo shafts. still around half the weight of stock, and one piece but like 1/3 the price of the carbon job.

Kinks Grand Master

Kinks

Posted
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General rule of thumb for removal of rotating mass is for every 10kg of rotating mass you take out has the equivalent effect of taking 100kg out of the car.

that's a huge generalisation. rotating mass has much more inertia if it is far away from the axis of rotation. most of a tailshaft's mass is an inch or two away from the rotational axis, so lightening will have minimal effect.

most of a wheel's rotating mass is several inches from the axis, so lightened wheels would make a bigger difference.

GTS20X Enthusiast

GTS20X

Posted
Posted
that's a huge generalisation. rotating mass has much more inertia if it is far away from the axis of rotation. most of a tailshaft's mass is an inch or two away from the rotational axis, so lightening will have minimal effect.

most of a wheel's rotating mass is several inches from the axis, so lightened wheels would make a bigger difference.

But the tailshaft spins a lot faster than the wheels.

  • 3 weeks later...
  • 2 weeks later...
justinfox Mentor

justinfox

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I've got it!!! It came last week. I got pulled over by customs and had to pay $500+ on tax on top of the shaft + shipping :happy:

Anyways, busy busy won't be going on the car for a while I will post again once it's getting installed, with pics of-course :P

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