Here are a copule of PDF’s that I created with some general dimensions for the Altezza Beams 3sge engine and J160 6speed gearbox, also the dry sump system, sorry I don’t have a standard sump to measure anymore.
Here is a sample, download the PDF for the full size pictures and from different angles
http://aarons7.files.wordpress.com/2010/07/engine-top.pdf
http://aarons7.files.wordpress.com/2010/07/engine-lhs.pdf
http://aarons7.files.wordpress.com/2010/07/engine-rhs.pdf
http://aarons7.files.wordpress.com/2010/07/engine-front.pdf
http://aarons7.files.wordpress.com/2010/07/engine-rear.pdf
http://aarons7.files.wordpress.com/2010/07/dry-sump.pdf
http://aarons7.files.wordpress.com/2010/07/gearbox.pdf
I tried to be as accurate as possible with a tape measure, to the nearest 10mm or so.