Originally Posted by RoketRdr

Here's the shield I build and glued some thermal radiant barrier on top. I line my garage door with this stuff and during the 100+ degree Houston summers it dropped my garage temp by 12-15*. Two weekends ago I blew another rear diff and the temp was just over 200* when I pulled it off the track. Going to test this Saturday with the new shield and radiant barrier. Will post results.