Identifying a diff R34 GTT

[Murray_Calavera]

50 minutes ago, Dose Pipe Sutututu said:

Have driven 2x S15s with the Nismo Pro (adjustable initial torque, both on low) and 1x S15 with an older style Nismo diff without option to adjust (old Intima / trak-life S15) and there's a big difference. The latter would behave like my KAAZ diff.

So reading this, I doubled checked the receipt for my diff.....

@Kinkstaah sorry mate for all the confusion above. I have a Nismo GT Pro 2 way diff. I must have early onset dementia, I forgot it was the pro version =/ 

Sorry for the confusion everyone

[Kinkstaah]

Yeah, I mean the only photo I have seen is my own one, and looking at the ramp angles it FEELS like it's even front and back. The Nismo Pro being an adjustable uneven-ramp-1.5-way diff that-is-adjustable-ontop-of-that seems to account for everyone's experiences here.

[Thistle55]

On 12/03/2024 at 11:04 AM, GTSBoy said:

The VLSDs have one long and one short axle inside. The helicals are either exact same length or ever so slightly different (so technically one long and one short, but only just).

Thats really interessting, are you 100% sure? Ive got a customer car there with same length axles. I cant imagine that I have one of that rare helical R34 GTT diffs here.
The diff what is mounted (i believe its an aftermarket inside) locks so much that the tires rubbs on slightly corners, almost like welded. Its really uncomfortable to drive on the road with it. So I want to mount a Kaaz 1.5 SQ, but I dont want to order twice. If you are 100% sure that Helicals have the same length, I would order that version 😃

 

[GTSBoy]

If that is not an optical illusion then they do not look like the same length. The closer one has longer splines.

But here's the rub. You say it has an aftermarket mechanical diff in it? Well, when you buy a Nismo LSD you get 2x new stub axles to go with it, because the Nismo mechs are not intended to work with the original unequal length VLSD stubs.