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thats exactly my thought. i know Datsun engineers are 10 times smarter than me, if they use solid, then there must be reasons. i asked this question just because a friend of mine asked me, and i don't know how to answer the question. live axle vs independent, both have pros n cons

english is not my first language, pardon me for my grammar errors.

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That is some really nice looking gear..

Bakat the 180b in the pic is IRS though so dont worry about 2-3 degrees
with a solid when you already have the best Datsun could engineer.

As we discussed Benny, I got mine done to, big difference!

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In the case of V8 supercars and many other live axle racecars, to acheive the desired rear camber setting they also employ the use of floating hub assemblies, like these Harrop bad boys.




If budgets could allow, these would be fantastic on our datsuns. [i wish]

I sent my diff housing away to a diff specialist who specialise in camber correction [allignment] of live axle housings utilising laser allignmnet methods. Basicall they straighten the housing to 0 camber and 0 toe and then allign the housing to the customers requirements after that. I managed to get -3/4 degrees camber and 3mm toe in. Anything exceeding those types of numbers and the life expectency of the bearings will be significantly reduced, plus also additional forces would be seen on the alxe splines and side gears in the hemisphere.

wow i never imagined any other way than going independent.

All the V8 supercars do it, they run neg camber on their live axles.

Basically the axle tubes are bent the amount required. I have done it (involuntarily after a massive jump and even harder landing) and we ran 500kms with a couple of degrees camber on the rear with no issues.

I have also straightened axle tubes that have been bent in similar circumstances as mine, just heat the tubes cherry red and then quench with a cold wet rag, it slowly brings the tubes back into line quite easily..

you can do it with a solid axle, you just have to modify the diff so that instead of running normal axles it runs irs style axles with CVs so that they can handle the change in angle

Its pretty expensive to do i imagine and is more for racing situations where rear camber is wanted

They don't go over 30kph, so it lasts a while.