Z31 rear conversion

[s13eater]

Originally Posted by CamInHead

I imagine after 20 years they're likely all slipping like fook anyway. I was keen to keep the stock s12 axles/driveshafts so I could potentially upgrade to an S13/14 based LSD later.

yeah, thats what i was planing, i've got the s13 lsvd in mine, so at a later date i could go with a machanical one.

[CamInHead]

I set about compairing my two rear beams today.


-Turbo S12 Mk2 top, Z31 turbo lower. Using various mounting points as datum points they're identical to within +/- 5mm.

I offered up my Z31 arms to the S12 beam and they line-up spot-on. TBH I'm not sure if the arms are turbo or N/A, but they're 5-stud;









BEHOLD my brush painted arms!

I then offered-up the Z31 beam to my S12. I didn't fancy fitting my bushes to the beam incase I culdn't get them out again lol so this was a very rough mock-up;




I won't be using the Z31 beam as the machine work done to it is sloppy as fook but otherwise I see no reason why it wouldn't match up.

[s13eater]

spot on, i din't think they would be different,good on ya for letting us know,

[Draconis]

You are doing what I should have done. Very well done indeed. Mind if I use this in one of my write ups by chance?

[CamInHead]

Originally Posted by Draconis

You are doing what I should have done. Very well done indeed. Mind if I use this in one of my write ups by chance?

Sure, no probs.