[402Bowtie]

Regarding your second question about bedside differences....the longbed bedside has a different wheel arch than every other model. In other words, Blazers, Suburbans, and shortbed have the same wheel arch. Here are two threads I found discussing the difference.

http://67-72chevytrucks.com/vboard/s...d.php?t=333727

http://67-72chevytrucks.com/vboard/s...d.php?t=495474