money is not the problem.
Money is always the problem.
Not even remotely easily, no. But it's possible.
You would need to hire a shop to do the work that is comfortable
with effectively complete chassis fabrication.
$50K probly do it but it depends on a lot of things.
Ha! Maybe $50k if you supplied all the hardware.
Funny part is there are a number of ls1 miata running around.
By running around I mean being awesome.
FTFY.