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Where To Get My Diff Shimmed In Sa

Skyline1989

By Skyline1989,
in South Australia

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Dohmar Grand Master

Dohmar

Posted
Posted
Boss Automotive is another place as they are the diff specialist

+1, I had my r31 fitted with an LSD made by Boss and it was awesome. Wasnt cheap because I went all out but it was damn good...

-D

Krishy Grand Master

Krishy

Posted
Posted

i am in the mist of looking at getting my r33's diff shimmed

got a quote of like $600 for removal, shimming and re fitting the diff

which i dont think its over the top as they are the speciallist in it and from memory they were going to be replacing the bearings as well

MYCEF3 Collaborator

MYCEF3

Posted
Posted

A shimm diff it basically a locker

Also shimms wear down unlike welding... which break :wacko:

I reckon 1.5 or 2way LSD is the way (orrrr the welder)

1.5 is more streetable

2way is a bit iffy, depends where, when how you drive

I shimmed mine LSD. Was tight as a b!tch, great to have 150% locked. Saying that though, one day through marion car park reversing out a car park..... f**king BANG :D ..... it broke.

MYCEF3 Collaborator

MYCEF3

Posted
Posted (edited)
It impresses da chickz uleh

-D

HAHAH yeah it like

Hey uleh... Look at me!

Ehh Ehh Ehh Ehh Ehh Ehh Ehh (trying to do a U-turn)

LOL Shimms r fun but wear down over time and need adjusting

Check out http://www.skylinesaustralia.com/forums/Di...Gt-t164288.html

Edited by MYCEF3
JMW Mentor

JMW

Posted
Posted (edited)

Just remember, more tractive force from the diff center puts a lot more load on drive shafts, cv joints and bearings. As well as on the rest of the drive train and mounts.

Edited by Jamesrb25
D_Stirls Veteran

D_Stirls

Posted
Posted (edited)

I will shim peoples diffs for $250 + you supply the oil and gasket if needed (HICAS diffs a little extra unless you pull it out). People can also came and watch while I do it and that way they can learn how it is done them selves. This is handy because as people have mentioned above they will wear so after a couple of years they will need to be done again.

What people are saying about a shimmed diff's being a locker isn't necessarily true. You can shim then to be a locker but if you select the right shim it will just be a really tight V-LSD and it won't skip. Also the Shimming is preloading the viscus cuplink and isn't actually changing the back lash, the bearing shims do this not the cuplink shims.

Edited by D_Stirls
nisskid Grand Master

nisskid

Posted
Posted

i found a bit over 3mm (over both sides) was best for me, i recently just chucked in 2x 1.6mm ones in over the top of the standard ones, locked her up good and tight lol

just be careful, if u go too thick like i did, it wont fit in the housing anymore, i had to create custom bearing shims (thinner) so it fit in lol.

Skyline1989 Proficient

Skyline1989

Posted
  • Author
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please correct me if i'm wrong, but i believe my diff is the same as S15 (Helical diff) not viscous

am i still able to shimm this diff? i'm intending to use this for drift, only until i can afford a 2 way LSD

looks pretty easy to do DIY

cheers for the help guys, and keep the constructive criticism coming :woot:

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