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R33 Diff Problems

jb33

By jb33,
in Tasmania

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jb33 Enthusiast

jb33

Posted
Posted

ok guys its brain picking time ,today i competed in a motorkhana and the old girl was only spining both rear wheels every now and then,so can anybody give me some ideas as to why?and what to do to fix the problem ,as in fix tha standard r33gtst diff or what other options there are ,and what kind of price range for any upgrades :P

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https://www.sau.com.au/forums/topic/161782-r33-diff-problems/
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grandmasterb Grand Master

grandmasterb

Posted
Posted
ok guys its brain picking time ,today i competed in a motorkhana and the old girl was only spining both rear wheels every now and then,so can anybody give me some ideas as to why?and what to do to fix the problem ,as in fix tha standard r33gtst diff or what other options there are ,and what kind of price range for any upgrades :laugh:

Diff is open wheeling, time for a shim to tighten it back up :P

WogsRus Veteran

WogsRus

Posted
Posted

which motorkhana was it, i really want to get into some of these.

Yeah time for a him, you can get them from nissan for like $5, there is an excellent write up here about it.

I am going to do mine sometime soon i hope, along with about 30 other jobs. LOL

http://www.nissansilvia.com/forums/index.p...howtopic=223737

DJRIFT Veteran

DJRIFT

Posted
Posted (edited)

i would just like to mention that i have shimed my diff up before and it isnt realy as easy as said it is ment to be. i havent looked at the thread that you put up wogs but you do need a few basic tools and more than a shim. the biggest problem i had is that mine was to tight, much like a welldy and it made my car gay to drive :unsure: but if you get the right shim than you will be fine. i will also add that shimming the diff cost around $50 compared to at least $1000 for a locker it is a good option and i will be doing it again but a bit more reasearch will be put in.

oh and get yourself a lock bar

Edited by DJRIFT
jb33 Enthusiast

jb33

Posted
  • Author
Posted (edited)

the motorkhana was for the msct at archers manour ,as for shiming the diff i have looked at the thread in sau drive line and transmissions ,the thing being i am still only fixing up an old lsd with aims of doing lots more motorkhanas and other events and dont want to be having to shim it up on a regular basis ,so i would like to maybe find something a bit stronger but still qiute drivable on the road not something that will spin me around as soon as it rains :unsure:

Edited by jb33
PHaT MR30 Grand Master

PHaT MR30

Posted
Posted

buy a new centre then with a mechanical lsd, it will be pricey, but better in the long run. if your single spinning now, shimming it won't help much.

You can really only shim a diff if its in good order to begin with. if you try and shim a worn diff it will be the same if not worse pretty quick.

toffy Veteran

toffy

Posted
Posted

well the cheap way is to shim it, r33 diffs seem to lock easy (yes i tried it out on mine but didnt like it because im pretty gentle on my car), im betting a shimmed up 33 vlsd would last a couple years because when i pulled the shim out of mine it still worked the same as before i put it in. if you dont mind your diff being virtually locked under 40kmh then id go for a 1.0mm shim, if you dont want it locked go for a smaller one, it does work well and for alot cheaper than a mech lsd. saying that a mech 1.5 would be your ultimate, perhaps shim it while you save for the 1.5 way?

  • 5 weeks later...
toffy Veteran

toffy

Posted
Posted
Hay toffy, so if i put in a say .9mm shimm, what would that give me?

a locker mate, its not worth it imo unless its for a track pig, if i were you id look for a nismo 1.5way, these are awesome for someone as pedantic as you (meant in a nice way), they act like a std diff untill you dont want them too

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