Juicie

This is a picture of my 2500 now and this the front clip that I'm considering. I really don't see much difference from one front end to the other in air flow blockage.

Your good bud... I also have been tossing around some different ideas also but cant really find something that I want to pull the trigger on. I'm somewhat familiar with front end swaps as I did one on my 2003 Tahoe. I installed the Silverado front clip on my tahoe to be different.

What would cause the cooling issues ?

Well I call myself searching for the swapping the 2500 front clip to a 1500 front end and couldn't find anything. The reason why I would change is because the headlights are way more appealing than the HD ones. Not to mention the light output is 10 times better that the factory HD lights. The grill and bumper of the ltz 1500 is way more appealing that anything on the 2500HD

Has anyone attempted to change 2500HD front clip to a 2016 Silverado 1500 front clip? Curious to what all has to be done for this process to work.

whenever you did this modification did you also disable the auto light feature? Do you have to manually turn your lights on when its dark outside?