2000 GMC Sierra, built LC9, 10.5:1 c/r, 218/224 .604/.612 Howards Cam 19035-13, 799 LC9 heads, TBSS intake w/92mm throttle body, stock LC9 flex fuel injectors, (36lb/hr I believe) ,built 4l60e w/3400 stall, 4:30 TruTrac, nothing crazy. Just a nice driver. It's essentially an LC9 converted over to Gen3 harness with a compression bump and a camshaft.
So, onto my questions that I hope you guys can help me with. I've been reading for weeks and got my MPVI3 yesterday. I've read my factory tune and have been looking through it attempting to understand what I'm looking at. I can't! I don't have a clue where to start. I'm viewing in ADVANCED and it's overwhelming! Where do I even start? I've read all the stickys, all the start guides and I still am scared to change anything. Obviously, I am looking at fuel, air and spark. But, what does what? There is so many parameters that I have no clue what it does or even what the words mean. What are say the 3 top parameters I would start with for the above referenced fuel, air, spark? Do I start with idle? But, change what? I'm very confused on what numbers I'm even changing to what? I've attempted to go through posts and follow links and then open my stock file but, I'm now just more confused then before. Not to mention, every time I follow a link and try to go back I have to sign back in and loose my spot. Can someone give me a starting point? My plan is to hopefully get it started and then datalog. I'm hoping that once I do that I'll have some awakening that will show me what I need to change. But, honestly I'm quite frustrated at this point and contemplating buying an email tune before I damage the nice engine I built. This thing is not wild by any stretch so, I feel like I should be able to do this!! Please, someone point me in the right direction!!