Vintage Air Guidance

[joesscamaro]

All, I'm in the process of ordering some parts for my truck and wanted to get some opinions on the Vintage Air system I'm going to order. I'm going to be doing an LS1 conversion and when I was speaking to the sales person they asked if I was going to use the stock LS compressor and LS drive system. They also gave me the option to go aftermarket compressor and the necessary bracket. What are the advantages of going aftermarket compressor, if any? Why wouldn't I just use the stock equipment? Any advice is appreciated.