If you have the room on the back side of your garage you can make your garage into what is called a jack jill garage.
Making garage door opening taller.
Usually 4 or 8 feet.
To put it into perspective if the garage door is let s say 8ft tall make the height of your opening 8ft 1 5 inches tall.
Before removing the header you will have to support the roof above it.
That is the side where your truck is to go you can build out on the back side.
Easy to do and it can solve alot of problems.
That made my door height two inches taller.
Because garage doors are usually sized to snugly fit the dimensions of the garage itself making the door larger usually means making the garage larger.
This means building a wall that spans the entire distance of the opening and is strong enough not to move until you are done.
The height of the rough opening must be 1 5 inches taller than the garage door you intend to buy.