No 3/8 impacts, electric or pneumatic. Hand ratchet only, around 18-20 ft-lbs. With a ratchet you feel a cross thread starting. With an impact you don't.
Full install video: https://youtu.be/sv3qelihr8s
Racks made to order: https://standardamericanoutdoors.com/shop/ols/products/sao-v3-roof-rack
#standardamericanoutdoors #roofrack #2ndgen4runner #toyota
Full builds, parts and guides: https://standardamericanoutdoors.com
More 2nd gen guides: https://standardamericanoutdoors.com/f/2nd-gen-4runner-maintenance-guide-how-to-make-yours-last-300000