Originally Posted by mrarroyo

For about 25 years I have gone to a Lowe's or Home Depot and bought a section of aluminum screen (used on the outside of home windows). I then cut it to match the front of the condenser and radiator and install it in front of them behind the car's front grill. It will not only diminish the chance of an small rock perforating your condenser but will also reduce the number of bugs that impale themselves on the condenser thus improving cooling.