Instead of using a Torque Strap I went with solid Motor Mounts.
The material of choice is 2024 alloy cold finished machine stock Round bars, ASTM B211. This is some hard aluminum but can be machined. Order it cut to the same length as the stock mount. A drill press with an aluminum bit is required to drill the bolt hole. The bolt hole should be at least 1/32" larger than the bolt.
They said that you will only have to grind a little. Well, that was a myth.
Here is the Right Motor Mount.
Here is the Left Motor mount.
I had to cut a little metal from the left side of the block.
Here is the painted Right Motor mount.