Anyone With 4.11 Final Drive On Gtr34?

[32rulz]

Has anyone done a 4.11 final drive on their gtr34? What needs to be done for the swap?

The car is gtr34 vspec with A-LSD, and I have bought R32's 4.11 front and rear crown and pinion, anything else needs to be installed for the job?

driveshaft, axle, transfer case, etc??

thanks in advance for help.

[XKLABA]

I have gone the other way and put 3.545s in R32 diffs and they bolted striaght into my R34, though the front diff in the R34 is a R180 where the 32-33 is a R160

[Hattori Hanzo 69]

i have a 34 GTR 6 speed getrag in a 32 GTR with 4.11's

1st gear is essentially useless for launching i.e. 2 gear launches required.

top speed of 263kph @ 7,250rpm

get there quick tho

[XKLABA]

Al long as you can get through the gears quickly

Even with stock box stock ratios on the R34 with 300+kw first is nearly useless and still need to grab 5th down the quater, 2nd gear with 3.55s is just that little bit to tall but with enough revs and enough hating of clutch can be luanched in 2nd

Personally I would spend the money on changing the diff gears on getting more power

[32rulz]

So do i need to change to non-vspec rear diff and or R32/33 rear diff housing to fit?

thanks guys

[XKLABA]

depends if you want to keep the A-LSD or not

[choyda]

There's a thread on GTR.co.uk that has some more detail. From memory, you need to go non-vspec (no a-lsd). I haven't heard anyone locally who's done it.

[Piggaz]

depends if you want to keep the A-LSD or not

Which no one does

BIN IT!

[QUP29]

You can use the front crown and pinion with your bnr34 front diff centre, rear will need as ppl have said non vspec diff has 4.11 ratio in them already so u won't need the rear crown and pinion.

[choyda]

I'm pretty certain, given how rare non-Vspec R34 diffs are, you can use an R33 non-Vspec but there's more involved

[r32-25t]

The non vspec 34 diff has the same ratio as the vspec, it just doesn't have the a-lsd in it

[choyda]

Yep, thought you could just change the internals vs other changes with the R33

[r32-25t]

ask piggaz he went from a-lsd to mechanical in his r33, I know the diff and half shafts needed to be changed but not sure what else had to be done

But if the plan is to keep the a-lsd in place, just replace the crown wheel and pinions and enjoy your new shorter ratios

[Piggaz]

ask piggaz he went from a-lsd to mechanical in his r33, I know the diff and half shafts needed to be changed but not sure what else had to be done

But if the plan is to keep the a-lsd in place, just replace the crown wheel and pinions and enjoy your new shorter ratios

The A-LSD to a real diff isn't a set in stone rule Apparantly. Terry from Award said its a car by car thing. Mine I had to replace the shafts but that doesn't mean the very next car off the production line needs to. That's what he said anyway.

Doesn't really help .

[QUP29]

I'm pretty certain, given how rare non-Vspec R34 diffs are, you can use an R33 non-Vspec but there's more involved

not much more involved just changing the bolt size and length for the drive shafts. I'm using gtr33 non v spec diff but with 4.3 ratio... Edited October 22, 2015 by QUP29

[QUP29]

ask piggaz he went from a-lsd to mechanical in his r33, I know the diff and half shafts needed to be changed but not sure what else had to be done

But if the plan is to keep the a-lsd in place, just replace the crown wheel and pinions and enjoy your new shorter ratios

wouldnt it be easier if u wanted to keep a-lsd at 4.11 ratio to swap with vspec 33?

[r32-25t]

I can't promise the everything will be a unbolt, bolt in process by doing it that way