You could also build Devcon Flexane mounts with 60-95a hardness.
I need a machinist
This is the dumbest fucking thread I've seen in a long time. OP is the automotive equivalent of idea guys coming to /v/ asking if anyone will do the programming and art to make their game for free. He should have never been given the time of day.
You don't need any special steel for motor mounts
3/8ths is overkill, 1/4 is fine.
But he has an autodesk file! That is like 90% of the work done!
All that is left is for some idiot with out a STEM degree to load some metal in a machine and push a button. Why is this so difficult to find for free?
Look who just blew in from stupidtown.
Nigga just take a sharpie, ruler, file, and drill. Goddamn.
Find a better metal shop. A big one. One next to me has 30 employees and bills $34/hour. But they have water jet and other CNC so they work fast.