Never tried using a hairdryer... interesting. I would imagine that would take forever and a day though. There is actually a how-to that Pete put up after I ranted and raved about hwo cuting the headlights open was about the dumbest thing you could do to perform the so called hightower mod. You can use an oven to bake them open, which is efficient and if done correctly completely harmless to the lights. I'll see if I can find the how-to that Pete did based off my instructions.
Alright I found them... orignal post about the debating of the cutting vs. baking is
here
Then when someone actually tried it my way... they made a how-to about it, which is
here
