I have heard good stuff about this product. I wish I would have found it before all the work I did on my truck. Another member used it on his build, N2TRUX: it starts on page 20 Post #483
http://67-72chevytrucks.com/vboard/s...705824&page=20
And here's a video I found on youtube:
https://www.youtube.com/watch?v=9gOpldzfJBo