I must have missed your picture before, but I was curious when you were saying that you used a peice of plexiglass over the whole front. Now I see what you mean. That probably helps as much as anything since the gaps alone on the front of these trucks are larger than the grill openings on a lot of newer cars. I thought about doing something similar when I had the Bravada grill on my truck as it sits flush with the headlights.But for now I am just going to probably remove the tow hooks and make some kind of block for those openings too.
I also see that you made a opening for your radiator. I think you mentioned that your engine was getting hot without it, and honestly that was one of my main concerns when I put the block on mine since it covers the entire grill. But so far the engine has not gone over around 200~205 even while sitting in stop and go traffic. I assume the fan is just able to move enough air through all the gaps in the bodywork to keep it cool. Gotta love GM.
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-Kevin
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