My Hood does the same thing, I just have a friend help me push both ends sown to give it a better look.
I thought the 58s and 59s had the old Vac. wiper system. I think some one might have installed an elect. system in yours.

Cliff59

Deluxe \'52, Savoy \'54 Apache59
"She may not be the youngest girl at the ball, but she can still turn a head or two."