Smoothing my interiour

there this forum

http://www.streetsource.com/forum/topic.aspx?method=reply&topic_id=28641&forum_id=45&forum_title=&M=False&S=True

but does that mean all i have to do is use primer??? i always thought i had to fiberglass the dash first.... all the plastuc is textured... 00 Silverado EXT

help

Artsar