How do I Datalog?

[svtshadow]

How do I datalog?
Is there a way to datalog air fuel ratio?
Also what needs to be datalogged?

I have an SCT SF3 Tuner and new laptop just for this task


Thanks In Advance

 

[03cobra#694]

You'll need a wide band to log a/f. You'll need to log via SCT's Livelink.