Jump to content
SAU Community

Recommended Posts

  • 6 months later...

Just a bit of info for those who want to do this.

The front diff in a GTR or GTS4 is an r180 short nose. This is the same diff as many nissans incuding n/a s13's, terrano front, pathfinder front, navara front, pulsar gtir rear to name a few. They aren't always r180's so check first as some are r200 depending on model etc.

I have not done this and won't be as I don't have a 4wd nissan. But in theory you should be able to use the insides from any short nose r180 in your sump. This will make matching ratios easier and open up more available ratios.

An exampe would be using the insides (crown wheel and pinion) from a mid '80's Navara, this is an r180. You could then use the insides from an r200 from the front of a terrano for the rear. Giving you a 4.6 ratio. These 4wd's have a number of ratio's and a number of diff combos. Ratios are 4.3, 4.6 and 4.8 but there may be others too. Navara and Terrano/Pathfinder front diffs can be r180's or r200's.

  • 3 weeks later...

just to clarify that.....workshop manual calls it an F160 not F180. From that I assume it is a 160 size not 180. I'm not sure either way, that's just what the manual calls it.

yeah like the d-man said to the best of my knowledge the front is a F160 not a F180. F being front and R being rear incase anyone is wondering why there are R200, R180 etc. front GTR diffs are tiny.

it's still worth looking into though if there are other 160 diffs out there but you need to figure out for sure if there are any differences between the F and the R models. I assume crown wheel is the same but the pinnion shaft could be very different.

  • 2 weeks later...

Like I said I have not done it and never will, but I have always been told the front diff was an R180 in the GTR and GTS4. I have seen references to the F160 which does put some doubt over it.

If someone has an R180 and a front sump from a 4wd skyline measure them both. That will clear it up.

I have never seen or heard of any short nose R160 diff though, so if it is in fact an R160 there would possibly be no other ratios available.

I doubt that an entirely new diff type was designed and built for only 1 car with only 2 ratios. So I would assume that if it is in fact a 160 there should be other short nose 160's found in something, somewhere.

Long nose 160's and 180's have been around for more than 40 years. They are found in Nissans and Subarus. They are largely interchangeable with minor differences that can be overcome. Short nose 180's and 200's have been around for 25 years plus too. Most of the minor differences can be overcome also.

These diffs are made by Hitachi not Nissan, so they are possibly found in other makes.

Short nose 160's would have to be available from something else, imo. I could be wrong though.

  • 1 year later...

Bump :)

Ok, Rb26 is going into my GTs4, so ive already got the gear ratio you are all talking about.

Would there be any implications leaving it as is?

And is this added aceleration not practial for street driving, OR its not that much of a differance.

Surely i must need to change some parts of the Drive train to suit the 26 going in.

Bump :)

Ok, Rb26 is going into my GTs4, so ive already got the gear ratio you are all talking about.

Would there be any implications leaving it as is?

And is this added aceleration not practial for street driving, OR its not that much of a differance.

Surely i must need to change some parts of the Drive train to suit the 26 going in.

Dont change anything, 4.3s are perfect

i have a set of front and rear crown wheels and pinions sitting at home, still tossing up whether to go to the trouble of getting it installed, around 1k mark if i recall correctly

car is mainly used for short drives and not much highway cruising unless going inter-state which will be interesting with higher revs

26 does lack below 4k, so it should liven things up

@dean - are you using the 4.375 diffs in your drag clip at WSID?

  • 1 year later...

How much better is acceleration down low?

acceleration will improve down low, by how much is all a matter of personal opinion, some will say it so a lot better and others will say a little bit
  • 3 years later...

Ok i'm resurrecting an old thread instead of starting a new one. I have a R34GT-4 manual, it comes with RC 4.3. I'm planning on getting a 33GTR gearbox series 3 as it is stronger. Are there any issues with using a GTR gearbox and the 4.3 ratio?

no, there is not. gearbox and diff choices are not linked. plus, r32 gts4 came exactly that way from the factory (4.4s and gtr box that is). I bet r33 gts4 is the same from factory as well

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now


  • Similar Content

  • Latest Posts

    • The 296mm rotors are the R33 turbo brakes. The 310mm rotors are the R34 turbo brakes. The calipers are nearly the same, but not. They're the same caliper but the R34 caliper has longer legs so that it sits out far enough to go over the rotor. The pads are the same for both. When you say, "I bough tsome EBC"....did you just mean pads? Or rotors? 310mm rotors fit under 17" wheels. There may be some wheels without enough clearance though. I can't fit my fingers between the barrel of my wheel and the "corners" of my R34 calipers, but there is plenty of room behind the spokes. This is on Enkei RPF1. You can fit 324mm rotors inside a 17" wheel, but I'd be willing to bet that it would be close to impossible with the Nissan/Sumitomo caliper (using an adapter, of course), because the Sumitomo caliper is fatter than the Brembo caliper that is supposed to go on the 324mm rotors.
    • Hi. Can someone tell me what brakes(and mainly WHERE) can i buy brakes on R34 GTT? I bought some EBC which SHOULD go on my car(i have GT but it has GTT brakes) but it does not fit, Brakes are "too" small(296mm) Are 310mm be good or? I have 17 inch wheel so no "big boys" but for me driving i just need one that fits and i can get here in EU/Czech.
    • Since winter isn't that harsh anymore in Poland, i will definetely drive it 365 days a year 馃槈. But if the snow hits i will try it for sure and let U know. Only swap i am planning to do is of course R34 GTR front 馃槏.
    • Hey. Very valuable information about pitwork, I will pay attention when buying any consumable parts 馃檹 As for the carpets - I got a handful of information from nengun, from which it appears that indeed the carpets for the driver's side are OEM. They are not able to show me any pictures due to the long chain of different sales entities but after I place the order, as soon as the goods arrive at the nengun warehouse from which they will send the shipment to me they can send me photos and if my purchase differs from OEM I can immediately return it / cancel the purchase. I think I will give it a try 馃槈. Of course i'll let you know what's what as soon as i get them P.s. I know the topic is not relevant to the thread, but both nengun and amayama have these SICK 馃槏 trunk room lamps available. Do you know anyone who ordered them? I need to have one in my car
    • I've managed to find this: Nissan_Stagea_AutechVersion260RS (1).pdf
  • Create New...