The most expensive miners in the mod IR2 require diamonds. These are rare to find and expensive to craft (using cubic press).
With the TA miners mod, diamonds become useless ... also the miners are too cheap on the IR2 resource scale.
There is also a problem that flying robot frame recipe is hidden in the IR2 mod, making it impossible to craft the mantle extractor without hacks.
require diamonds in moho and mantle extractor - maybe 10 for moho and 100 for mantle?