I've used a 10lb slide hammer on alloy stuck in carbon.I've got a stuck seat post in a frame, caustic will sadly eat the carbon so not an option for me. It's actually my first ever stuck post, and I've only got myself to blame as I bought it like this.
I had to avoid the cat…Good end result. I'd probably have done this outdoors though tbh.
I'd battle a cat before bathing in caustic soda.I had to avoid the cat…