maybe he didn't get the answer he wanted over there. I don't scan the forums, and I have a solution to his problem. However, if he follows your advice, he'd never get my fabulous advice
On my last couple of planes I've used the plastic pushrods--the ones that have an inner and outter tube. They work great, and come in all kinds of flexibility. I wouldn't use them for anything else, but they are great for routing a throttle linkage through the fuse! Just a thought.