In this video I show my DIY piston rod heater and how it allowed me to repair a machine shop mistake on the spot. It’s not economical to make this setup unless you build a lot of engines however.
@HoldFast-un2fc I am not sure what you mean by setup marks but the 4.3 has definite rod direction requirements. See this video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-JFzTrqUxK0E.htmlsi=eJYhYw4XgKsQ6Mey