Can you turn normal attessa system into attessa pro ?

[jezzrrr]

I want to upgrade the Attessa system on my R34 GTR to be more front torque oriented in corners etc. Anyone know if I could put in an Atessa pro computer from another Vspec R34 GTR ?

SK .... you out there ?

Cheers

Jeremy

[YO880]

how about an adjustable torque split controller?

HKS and GRID make some

[gtrken]

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]

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

[jezzrrr]

ps when I get an hour I will bring the car down and show you what I mean

[lwells]

I have wondered about this myself, but in my case for an R32: what would happen if I grabbed a R32 v-spec ETS-pro controller....?

Hopefully someone out there has done it

LW.

[Duncan]

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]

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

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]

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.

[jezzrrr]

I drove in a vsepc today and belted it a bit and I have to say that it was totally different in 4wd resonse and torque split. I think I have an electronic issue with my car that Im trying to sort out.

Thanks guys

[ylwgtr2]

if i dump mine my torque gauge max's out ....jezzr .....have you bleed the system?

[PHATR32]

what about using a controller and box of a r34 gtr on a r32 gtr? ive read the r32 takes longer to apply front tourque than the r34.

steve

[ylwgtr2]

jezzrrr.....have you bled the system?I am interested to see your answer...i think you most definatly have a problem