Originally Posted by
senor honda
I rebuild stock motor mounts with Polyurethane,
and it almost makes them solid rubber. Never had one break.-Bob
they still break, even when you put urethane in them. The grade urethane that hasport and avid uses is much better then the stuff normal people can get as its made with a different process.
Also i dont think he was reffering to the urethane breaking, more along the lines of the mount itself.