Just thinking outloud....

Knowing the additional steps that are needed (see my other topic "school me on flex fuel") to make the LMG work on my project (missing harness, DBW throttle body, etc), would it be wise to swap an LM7 intake, cable tb, full harness and computer for $300? I would still need to hack through the harness and reprogram for changes, but it would make for a complete package. I can do the harness myself, just need to send the comp to get done. Any negatives? I have an 2000 LS1 intake from my last build if it would be better.