Hi all. I recently picked up a 64 Spyder coupe. It has a regular 'Monza' horn button, should this have the 'turbo charged' horn? I think I read somwhere that some came with the Monza horn buttons. Thanks! -- Ron Tinkham 66 Corsa Convertable, 140, 4sp. 64 Spyder Coupe, 150, 4sp. Maine