its been almost 30 years since I owned a 46 but as I remember its like my 37 which means the rubber seal that fits between the windshield frame and the body could be bad...or like my situation the wrong one!!

1937 Chevy Pickup
In the Gallery
1952 Chevy Panel
In the Gallery
More photos
1950 Chevy Coupe
Pictures!

I'd rather walk and carry a Chevy hub cap than ride in a Ferd.
I can explain it to you, but I can't understand it for you smile