[pusherfans]

Okay, so I removed my valve covers that are cork and were glued on (both sides) with Right Stuff or something like that.

I finally got it all off the heads/intake manifold. (FE)

I got the cork off the valve covers, but was unable to get the "sealer" mentioned above off. I have used 2+2 gum cutter and a plastic razor blade and no use. I tried a real razor blade, but already put a small nick on the valve covers.

Any tried and true methods that I could try?