It seems to me a longer J hook will make it yank harder on the center of the door. It would also mean the motor would have to be further from the wall to allow enough room for the door to open completely.
It seems to me a longer J hook will make it yank harder on the center of the door. It would also mean the motor would have to be further from the wall to allow enough room for the door to open completely.
I'm looking here now:
http://ddmgaragedoors.com/diy-instructions/garage-door-high-lift-conversion.php
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