[BassDucksnTrucks]

Awesome--thank you!

Here is a picture of the fan per the above request, and I also included a pic of the interior.

Originally Posted by Stocker

This thread http://67-72chevytrucks.com/vboard/s...d.php?t=715056 will help get you started.

In short, an 18", 7-blade fan on a good heavy-duty thermal clutch should do the trick -- and should be what your K10 came with from the factory.