How much could I get???

I'm really thinking of partin out my engine to get some cash together to pay for my next semester in school and for my dream engine. I was wondering how much I'd be able to get for my parts. After looking at my sig, the only parts I could sell would be the heads, cam, intake, cai, or just remove all the accesories and sell it as is. What would be a better idea to make more money??
Thanks