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Good news, these are available again.

PMs sent to those on the waiting list, and there should be a couple of units left over anyone else who wants them

  • 2 weeks later...
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  • 2 weeks later...

Hi Duncan, just bought my self a R33 GTR and am new the the forum. Any Attessa controllers left and can i get you to fit it? email me: [email protected]

  • 3 months later...

hey mate, pretty keen, had a quick read through the posts but there are too many and im in a hurry. :)

Just wanted to know if this can transfer 100% to the rear wheels?

Cheers. :sorcerer:

  • 1 month later...

Hi guys, sorry I haven't been getting notifications for this thread. :P

As mark said there are 4 ready to go atm, pm sent with details!

DWN80Y the only things you can see when its installed are an LED to show the split level and a button to adjust up or down.

zertek yes it can, but only safely in a r32.

Well...the basic theory is the same, and we originally started with something simple like the ebay ones.

But after testing they just didn't work as well which led to the ones we have now - with a program on a chip. The dial ones are pretty crude adjustments.

Check out this thread, Giant has a very quick track GTR and has tried the simple style ones and uses our one now instead....and he has got around Wakefield Park in 1.04.1..... http://www.skylinesaustralia.com/forums/in...howtopic=171761

Guest mark32
Thanks for the reply Duncan, gives me some more info to digest and research to do, I think I will get my transfer case checked out while my clutch is fitted to be confident in using one of these

I was originally going to build a torque controller from a circuit that Julian Edgar had posted on the web years ago, which i believe that the ones on ebay are based on. but thought it was too bulky for a start and also required some work with resistors and such to tune the op-amps to give the correct input-output ratio, which is not that much of a problem if your doing a one off but if you intend to sell them this can become troublesome because if you are going to tune it properly it would take some time or you would have to use trimpots which can easily come out of adjustment with vibration and the like.

When microchip released this version of their PIC chip I thought it would be perfect for such a job because all of the analogue to digital conversion (for the input) and pulse width modulation (for the output) could be done on the chip without the need for bulky add on chips to do such functions thereby keeping size to a minimum (70mm * 40mm). The all important input-output ratio of my devices is always linear by virtue of the accuracy of the PIC chip, the same cannot be said of an analogue controller that was owned by a friend that I had tested it was all over the place at the high ends of the scale, the more the voltage swing the more inaccurate (input-output ratio) it became.

My units are small enough to fit under the console and most guys with R32s usually use the in most cases redundant AM/FM radio tune buttons on the left hand side of the dash to select between different modes. This is particulary useful for guys who race them and want to change modes on the fly, just have to tap the button up or down depending whether you need more or less front bias. There are 10 modes from 1 normal factory setting to 10 which is MAX front bias these modes are all indicated by a LED to let you know what mode your in by flashing a number of times corresponding to the mode number, this will only flash when you start the car or change mode. It also has 2 other modes which are 1) 2wd mode just like pulling the fuse in the R32 (and should only really be used in a R32). 2) A mode which allows little bias to the front wheels thereby letting you spin the rears very easily (although eventually the ATTESA intervenes and pulls the fronts in.)

Although my units are more expensive than the ones on E-Bay I believe they are much more precise and are definately much smaller

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  • 2 months later...

These are the least blingy thing you can do for your GTR. If you are looking for more noise, flash, HP or whatever - look elsewhere. All you get is a very nondescript switch and a little LED.

On the other hand - if you want your GTR to handle like its on rails - buy one of these. Very noticable improvement on the track and I did DECA last weekend with one in. OMG - they should ban the damm thing on a skid pad it is so good (very slick pad so I ran it at 7).

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