I had hundreds of hours on my two place Air Comand with the oil lite bushings and never had a problem with them. I don't know what they're made of, some type of oil impregnated metal. But you're the builder so you can use whatever you think is sufficient strength.
I had hundreds of hours on my two place Air Comand with the oil lite bushings and never had a problem with them. I don't know what they're made of, some type of oil impregnated metal. But you're the builder so you can use whatever you think is sufficient strength.