Diff Ratio For R32 Non Turbo Rb20De ?

[GTEES]

hey guys

just wondering the gear ratio on the standard non turbo diff (not lsd)

As I'm upgrading to an LSD and want to know the best ratio for my n/a 32

any advice please!?

[GTSBoy]

An NA RB20 has all the torque of a 1 legged mouse on a mogadon and serapax cocktail. Therefore the best diff ratio will be the shortest one you can get. RB20DET autos had 4.3 which is pretty short. I think the GTS4s had 4.375 or similar, which would be better again, and I have heard people talking about 4.4 but I'm not sure where that's from (or if it's real - might just be misdescribed 4.375). Easiest option for you will likely be to get a turbo auto diff as there would have to be heaps of them lying around on scrapheaps.

[KiwiRS4T]

Standard R32 DE is 4.363

R32 RB20 DET is as above 4.375

Most GTRs are 4.1

You will have to resist the urge to put bigger wheels on or you will make the gearing taller again.

[GTEES]

cheers for that, so your 100% certain on that ratio for the DE?

Guess I'm on the hunt for an LSD from an auto gtst

[KiwiRS4T]

Here's a complete list if you want to look:

http://www.nismo.co.jp/en/products/competition/lsd/pdf/lsd_price.pdf

The difference between 4.363 and 4.375 would not be noticeable.

[rb26zed]

If it's mainly street driven 4.3's would be best.

If you want shorter than 4.375 you can get a 4.6 or even 4.8. The easiest to find are out of the front of a 90's v6 Pathfinder, Navara, Terrano etc. The housing is useless but you can use the crown and pinion in your housing. If you go down this path the ratio is stamped on the build plate. It will have an axle code eg; CA46 is 4.6. PM me if you want more info.

Are you putting a stock viscous lsd in? If so don't forget the stub shafts that go in the diff. You will need one of the long viscous ones. If you need a viscous lsd or long shaft PM me as I have a few. I'm in QLD. Personally I would try getting something better if your going to all this trouble as most viscous lsd's are pretty old and past it by now. They may 2 up with some mild use but once pushed a bit will just 1 wheel.