We like Seras, my brother was one of the first in the UK to have one and set up the owners club.
But this looks great, and the Sausage is nicely done.
However, the torque/power is wrong, the gearing is wrong, the rear roll stiffness is wrong, the handling is far too tail happy (and having won various championships and developed other cars for AC I think I'm vaguely well placed to comment).
I've unpacked the data file and am currently refining it for you (in 5MT spec, as I don't care for the auto), but right now it feels like you've done a weekends worth of work on it. Sorry.