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Can you turn normal attessa system into attessa pro ?

jezzrrr

By jezzrrr,
in R Series (R30, R31, R32, R33, R34)

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gtrken Grand Master

gtrken

Posted
Posted

Jeremy, what are you chasing exactly??

A normal attessa is more than capable of providing the driving ability /handling required.

As mentioned, a torque split controller will provide the adjustment required for the spirited driving phase when required.

As far as using a pro? I think it is only V Spec vs normal and in the R34 GTR, you would need to be VERY switched on to pick the difference, especially for street application.

Cheers

Ken

jezzrrr Community Regular

jezzrrr

Posted
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Posted

Ken,

Im not getting enough torque to front wheels during 7 grand launches, the gauge is reading max 30kg/per(whatever the measure is) rather than going up to the full 50 and I get wheel spin at rear when belting it around corners. this apparently means its an electrical issue rather than a clutch pack issue in the transfer case. Thus my enquiry about attessa pro which throws more torque up front

Cheers

Jeremy

Duncan Grand Master

Duncan

Posted
Posted

Yeah all you guys need is an atessa controller to move more power to the front wheels. I understand the HKS ones are getting harder to find but there are a few different ones out there.

Generally if the xfer case is working OK you can adjust between 0 and 50% front torque

gtrken Grand Master

gtrken

Posted
Posted
Ken,

Im not getting enough torque to front wheels during 7 grand launches, the gauge is reading max 30kg/per(whatever the measure is) rather than going up to the full 50 and I get wheel spin at rear when belting it around corners. this apparently means its an electrical issue rather than a clutch pack issue in the transfer case. Thus my enquiry about attessa pro which throws more torque up front

Cheers

Jeremy

Jezza, I don't think I have seen any of my GTR's get to 50% and even with the HKS torque split controller, they don't get there in mine. Not saying they won't but maybe I am not brutal enough :rofl:

Virtually all the GTR's ( once again) I have had also spin the rear tyres somewhat during cornering as the reaction/action of the computer and fliud is not instantaneous. Mind you, it's is more fun than rex understeer..

Cheers

Ken

DJ984 Mentor

DJ984

Posted
Posted

i honestly am not a genius or anything on this topic, i have limited knowledge (very) so don't flame me buuttt.....

In theory, wouldn't it be better to leave it as is and have much more rear-bias torque split rather than an even 50/50 split etc...?

I say this because i know (in theory) that the front wheels pulling on the 4wd does induce a certain amount of understeer thus I would have thought that it would be better to run a 30/70 (front/rear) split rather than say even 45/55 or 50/50 etc for the sake of being able to pull the car round a corner/curve/bend etc exceptionally whilst still maintaining a tight line... :confused:

I understand the rear wheelspin and oversteer is also an issue for consideration 'cause it can get annoying but if it was that big an issue wouldn't you turn to tyres, suspension, weight distribution etc before contemplating the possibbility of reducing the cornering cpabilities of the car by using the torque splitting.... :confused:

Then again... if it's a drag car, my theories just go totally out the back door don't they... lol!... can someone elaborate on this for the benefit of expanding my knowledge?... Cheers.

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