OK WHEN I Z THE FRAM TO LAY THE TRUCK FLAT OUT ON 20'S & 22'S . WILL THIS ALLOW THE TRUCK TO LAY ROCKER OR WILL HAVE HAVE TO STOCK FLOOR THE CAB THE LAY COMPLETELY OUT? ALSO I DO KNOW THAT I WILL HAVE TO RAISE THE TRANS TUNNEL BUT WOULD I NEED TO NOTCH THE CAB AND BED FOR THE DRIVE SHAFT.
you will still be about 1" from laying pinch. You can lower you cab mounts and get what you need!
will i need to get a drop spindle?
Yes you will need spindles and you will have to cut the cab for a one piece driveshaft. Check out 67-72chevytrucks.com Those guys know everything about C-10s