You're welcome.

Don't forget to weatherstrip.

I know, it sounds weird to have weatherstrip in a roadster.

When you're driving 25-30 mph or so, stick your hand out the window and get a feel for the ambient air temperature.
Then lower your hand so it's down far enough to catch the airstream emanating from the hood side louvers.
You'll note a 20-30 degree (F.) temp differential in summer weather.

You can also drive the car in shorts and you'll feel the hot air coming in the front gap hitting your leg.
And feel hot air coming in the rear gap and going straight up your side.

Not so noticable if you always wear Levi's or long pants, but your shorts wearing sweetie will notice....