With summer in full swing, it's time to cool down that classic truck of yours. That's right, roll those windows up and feel the cool breeze as Stacey shows just how easy it is to install this complete AC system from LMC Truck. Now that you're done sweatin', let's take a look at headers and intakes and get that motor performing the way it should. And don't miss out on the ins and outs of turbos and super-chargers…which one fits your needs? All this and plenty of sparks in the garage this week on GearZ.

Cheetah lovers will be excited to see Stacey's solution to keeping the headers both cool and looking red hot. Want to keep using your stock tank after converting to fuel injection? Get psyched, because Holley has a new fuel pump that's going to make your life a whole lot easier. Think your car is buttoned up tight? Stacey and some friends from Redline Detection blow smoke at the old soap and water test and show you how to really test for leaks in your vehicle. It's a world of problems out there, but Stacey's got you covered in the garage. All this and more, this week, on GearZ.