2005 Golf 2.0l bent valve replacement
 

Hello guys, to be honest I didn't do a very good search for this, so please point me to the right thread if it's there already.

My timing belt spun and I have some bent valves. Can I replace all the valves without machining the head and get this car to survive another year or two?
I found this on you tube, to do a shade tree valve polish, so I'm just curious if it'll really work?