IRS Differential Output Flange Height

[croweater]

I am setting out my build here in Perth Western Australia and Sierra diff centres are non existent. I am using a Subaru unit and despite it having a long nose, these are reasonably easy to get here.

What I would like to know, is what is the centre line height of the output shaft drive flanges, so that I can get the suspension and drive line angles correct.

I would like the dimension from the bottom of the chassis rail please.

It is not mentioned in the book, nor is there a rear view which shows this dimension and the axle rake.

I thank you for your assistance