should i do no headliner?

[chigger]

I think the Euro cars or standards only had a headliner only in the middle of the roof between the humps along the edges. The deluxes or most of the American cars had the headliner all the way across an down the pillars. The high tech stick on insulation with a light headliner cover only in the middle would be nice to keep some summer heat out, give a finished appearance, help the sound system from reflecting off the roof, and still be light weight.