Quote:
Originally Posted by Ville80
Any opinion if i should block the top grille or bottom? using lexan or coroplast?
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I like your left diagram with the upper grille block. Sending that air up over the hood is better.
As for lexan or coroplast, your choice -- the air won't care. I find coroplast so simple to work with, and stealthy if you do want to install it on the back of the grille's surface. I've never worked with lexan, though.