Take some advice from an old spraypainter. Buy a good quality automotive paint stripper (Wattyl Auto strip,CAM stripper etc)
Put a good healthy layer over the car (one panel at a time) and cover with a sheet of plastic.
let it sit for an hour or so and remove with a paint scraper. Clean up with thinners and a scourer pad. repeat if necessary.
Finish off with a 3M Clean and strip wheel.
Works a treat and NO heat distortion.
This method has worked for me over the last 35 years.