i have a 20 x 21 metal building it is taken down ready to move it has 9ft eves and has a 7x7 roll up door it is regular when new 5500$ it is like the carolina carports this on is all closed in it is the thick gauge steel also. i would also do some trading on parts need a 351w good short block need c4 rebuildable core 70's up.need intake for 351 also call me let me know what you have .863-698-0675