Just a thought: You could try to split your mesh into more geoms (e.g. with the script from octreefy optimize collisions - #7 by jbandhauer) and see if the result gets better:
python .\eggoctree.py -v -l -n 1 -r 150 input.egg
Just a thought: You could try to split your mesh into more geoms (e.g. with the script from octreefy optimize collisions - #7 by jbandhauer) and see if the result gets better:
python .\eggoctree.py -v -l -n 1 -r 150 input.egg