65 Dart Rubber Motor Mount

I have factory mounting brackets.

I checked the later incorrect ones I have against the 2710s and there is definitely a difference in the distance between the studs, it ends up moving my mounting bracket about 3/8" further forward.

I wouldn't be surprised if it's just something wrong with my setup, the previous owner did a lot of sketchy and incorrect work that I'm fixing. For now it'll probably have to be shims, but sometime down the road I'll have to tackle this again.

Thanks for the help and links.