I hear you lynngrove, but I must admit, I like the vent cowl in spring and fall weather...... but I don't have A/C yet!

If your trying to keep your pickup at least looking stock I'd leave the louvers and do your plan of sealing it off. Just my .02


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