I worked it out Borntworide, we were both being plonkers 😊 first job is clean the original pedal like I also failed to do and you will then see a steel sleeve inside the original, heat the alloy pedal near the pivot hole and press out, I used a long bolt with a stack of washers along with a 10mm socket and larger socket with large penny washers on the other side! Great idea all the same sandblaster 👍🏼