The vin info I typed out was just from memory... but there's a page on this site
http://67-72chevytrucks.com/Chevyear.html that is very acurate... only a few things missing on it, but dead on for your rig, and 80% of the pick ups that are on here.
The standard catalog book el jay mentioned is great, the red book, I wasn't impressed with and gave away.
I have been collecting any and all lit I can get my hads on and have a good bit, I prefer old dated stuff, but some of the newer ones are ok too... ANYTHING you can get from the factory or dealer stuff is golden. I have stuff here that has never been published except to dealers.
Here's a link you'll want to book mark. I never did finish it, like the K seris stuff, or the 20 series... but it
DOES still have a bunch of nice info for you...
http://67-72chevytrucks.com/vboard/s...d.php?t=121155