[Mikel]

Just make sure you've got enough thread in contact. 3 x bolt diameter is the most you'll ever need.

The first three threads will carry up to 80% of the load. It will get to a point where the bolt will break before the threads shear, but I think it will be a lot less than a depth of three diameters.

 

[Mikel]

Paul, very cool engine stand. It needs a dana 70 in the rear

 

[Mikel]

That's why I said up to. You are right, there are many factors