putting a cam in a speed density car

[dcbizkit88]

if I put a cam in this car do I have to get it tuned or what do I have to do to get the idle?I was told when I put an e cam in but it wouldnt run right ..so I've converted it to mass air .that was my old car .this car I don't want to convert it I wanna see if I can deal with the map sensor

[Sleeper]

Just put some nitrous on it.

[Z06killinsbf]

SD will actually make more power, just need it tuned properly. Why people continue to use letter cams is beyond me though.