Removal of factory spray?

[Bird 426]

Yeah, salt and water can hide anywhere, undercoating or not. It's also somewhat of a sound deadener. Doubt most of us would drive our cars in that today! I don't even go out in the rain. You could just do the fenderwells if you didn't want to do the whole car.

 

[RT68440]

I had pretty good success with a heat gun and a chisel. I tried a scraper but it was too flimsy for me, so I used a chisel like a scraper and it worked out great.