Originally Posted by SouthArk370Z

I depends on your setup and how hard you drive.

When I had a factory SCd Pontiac, I changed the compressor lube when I first got the car and just did the occasional visual check after that. But it was a grocery-getter which seldom saw WOT and didn't have a lot of boost.

For a setup with much boost and/or driven hard, I'd go with something similar to what jwick does, just not every time I crank the car.