I need help doing ls1 swap into 69 camaro.

[chucks ss]

I just got off the phone with dirty dingo about ordering motor mounts and oil pan. I was told by their Tech guy that I didn't need an oil pan other than the stock F body oil pan on the LS1 is this correct I need to know and also if anybody can help if I ran the dirty dingo adjustable motor mounts would it slide the motor enough to use LS1 Kooks inch and 7/8 to 3 inch collector headers