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What Chip Do I Pull On My R33 Gtr To Make It 2wd?

double overhead sun visors
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double overhead sun visors Community Regular

double overhead sun visors

Posted
Posted

So I've go ta 2wd dyno day comming up (in the 'gong) the 4/2/07 for anyone interested check the cruise thred.

Anyhoo, problem is. Can I turn the R33 GTR into a 2wd by pulling a fuse the same way you can on a 32? :(

Thanks....

GTRsean Grand Master

GTRsean

Posted
Posted
32 only.unless you want to stuff ya transfer case.. i think by memory you will have to take out drive shaftso it dont wear..

correct if im wrong

Yep. Along those lines. The R33 and 34 GTRs run a preload on the transfercase clutch pack so it'll do some bad stuff to clutches.

Pull drive shaft to front diff if you want 2WD.

double overhead sun visors Community Regular

double overhead sun visors

Posted
  • Author
Posted

K- thanks.

Thought so.

I have a HKS pro torque splitter (in cabin), but doesn’t always switch over to full 2WD.

Does the HKS torque splitter remove the chance of clutch damage? I just got a new twin plate clutch last week!

Beer Baron Grand Master

Beer Baron

Posted
Posted

it's not clutch damage that is a problem. it's transfer case damage. it's simple for 33 and 34 GTR disconnect the front prop shaft (sends drive from the transfer to the front diff). otherwise your front wheels will not be moving, but the transfer case will be trying to send a small amount of drive to them, this will wear out the clutch packs in the transfer case (not your clutch in the gearbox).

ebola Proficient

ebola

Posted
Posted
OIC - but will my HKS torque splitter avoid this damage in the trasnfer case?
32 only.unless you want to stuff ya transfer case.. i think by memory you will have to take out drive shaftso it dont wear..
R34GTFOUR Mentor

R34GTFOUR

Posted
Posted (edited)
I might be wrong, but with my mates r33gtr we just popped in no gear then turned it off slowly and it went in 2wd

shouldnt do, that trick works on r32's only >_<

r33/r34's cant be fully switched to rwd only unless you undo the prop shafts like its been said. The hks toque splitter will only change with percentage of power sent from the motor to front and rear wheels, there will always be a small amount of power going to the front wheels even with the torque splitter fully adjusted to rwd. Just the way it is unfortunately...

first post btw woooh woooh woooooooooooooooooh

Edited by R34GTFOUR
double overhead sun visors Community Regular

double overhead sun visors

Posted
  • Author
Posted (edited)
shouldnt do, that trick works on r32's only :)

r33/r34's cant be fully switched to rwd only unless you undo the prop shafts like its been said. The hks toque splitter will only change with percentage of power sent from the motor to front and rear wheels, there will always be a small amount of power going to the front wheels even with the torque splitter fully adjusted to rwd. Just the way it is unfortunately...

first post btw woooh woooh woooooooooooooooooh

first post & spot on the money...ended up proping the front end of the GTR up (edit: cause it was too much hassle to pull the prop shaft) & running it with the torque splitter sending everything to the rear. But as you said the front wheels still turned & it lost power at the rears due to the fronts free wheeling...

Still screamed like a banshee thou... :P

thanks to D_I_F for the youtube clip...

Edited by double overhead sun visors
  • 3 weeks later...
maverick_au98 Contributor

maverick_au98

Posted
Posted

You CAN make an R33 GTR real wheel drive only, WITHOUT removing the prop shaft. I have done this many times for dyno runs.

Under the drivers side dash, there is a small brown plug with a yellow wire.

Disconnect this with the car turned off.

Then when you start the car, pump the brake pedal 8 times in 5 seconds and you will see the light flash on the dash. Then drive the car forward for a little bit to complete the depreasurisation.

This de-preasurises the centre diff housing, but also disables the A-LSD diff on V-Specs, but this is no problem on a dyno.

Once the key is tuned off, this resets the centre diff to re preasurise

This information came from the towing recomendations section from the skyline service manual.

Hope this helps!

  • 1 month later...
Beer Baron Grand Master

Beer Baron

Posted
Posted

i'm not quite sure what you mean by drift ready. yes it's 2WD but I'd wouldn't call it drift ready. 32 GTR doesn't make a good drifter. lots of reasons why.

btw, dynoing your 33 GTR with the front of the car resting on a jack would have to be one of the sillier things I've ever seen someone do.

  • 3 weeks later...
markimak Grand Master

markimak

Posted
Posted
Is a 32gtr drift ready just by unplugging the 4wd fuse n disabling 4wd?
haha this deserves a flaming.. im guessing your under 21...?
i'm not quite sure what you mean by drift ready. yes it's 2WD but I'd wouldn't call it drift ready. 32 GTR doesn't make a good drifter. lots of reasons why.

btw, dynoing your 33 GTR with the front of the car resting on a jack would have to be one of the sillier things I've ever seen someone do.

got a good clip of a BNR32 drifting.. but yeah.. lots of issues.. weight being one.. and early GTR have oil issues.. RBs dont like being reved high for long..

LOL at guy resting a car n a jack.. while dynoing...

i wanna see pics lol

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