Tinkerreknit; never, never, never, NEVER build a storage barn/car port as small as you can! Always build bigger than you think you'll need. From past experience
, you'll wish you'd gone the extra height to allow you to move around the roof while under cover, and don't forget the ends for sun protection. You can even modify end panels with hinges to open like a gate for vehicle access, but still protects from the elements. Think big, you'll be glad you did.
OOPS! Appears I'm too late, you've already built it. Looks good.