Ok guys… I’m going to paypal the money over to get the checksum corrector for tunerpro after this post and begin to SLOWLY tuning everything. Spen was nice enough a while back to get my definition file in order, and he said I should have everything I need to tune, and I've been reluctant to mess with all of this in-depth tuning because I'm basically scared of it. BUT I'm not sure what the hell I'm scared about considering I'm using lemmiwinks right now, and I have my fuel dialed in as good as i feel it's possible to get with lemmiwinks, logging with vag-com to confirm all of this, and basically everything is going well. Better than when I started messing with it in fact. So it's time to move into the big boy realm. But I'm not 100% sure on how to modify the tables in tunerpro and a few other odds and ends questions that probably can be answered with 1 response and I want to basically make a blog on my tuning and have you guys call me out on mistakes. In my mind, someone in my position is going to run across this thread in the same situation that I am in and want to know the same stuff I want to know, so I'm trying to do this for all of us ya know? May be a bit delusional, but if such a thread were out there I’d read it. So... where to begin?

I decided that I was going to try to start tuning with something small like the rev limiter or something. I say this and it may sound silly to a lot of you guys who are hardcore into this stuff, but because all of these "I bricked my ecu" threads the average guy like myself gets too scared to try it. So to maintain the happy puppies and snuggly rainbows feelings about doing this stuff I wanted to do a small test to feel a bit of accomplishment and re-assurance that it'll all be ok as long as you take everything in small steps. So, it’s my understanding that you can read/flash the ecu on the car just be sure to run a battery charger yes?*  As in voltage loss is the main reason for a bad flash.

*someone please confirm this

And if I were to change my rev limit to say 3k rpm and flash it to the ecu and all is successful I should be able to see my car bounce off the rev limiter like a Honda at 3k rpm when revving it while just sitting there with the gas pedal pressed correct? So that’s the pointless but reassuring test I’d like to do first and I’ll do it and post the results after someone replies to this.

I’d like to point out that I am fully aware that this rev limiter thing is a complete waste of time and may make anyone reading this apprehensive about helping me because it sounds like I’m a total stupid and I’m going to end up blowing up my car. But please know that I’m just being WAY too cautious. It’s strictly for the fuzzy bunny reassurance feelings. I am borderline obsessive on taking it slow when venturing into unsure territory with my car. I try to have as many steps and fail-safes and whatnot that I can. But have faith in me please J. I know what I’m doing and can say that with confidence… but the more you know the more questions you have.

I apologize for the rambling, run-ons, use of words such as “whatnot” and “stuff”, the informal tone, and all of the other stuff my English teacher would have freaked out about. My goal is to build this thread to be a dummy’s guide to tuning, or at least bring out the info needed for one. The s4 tuning wikki is already pretty good but I want to fully elaborate everything.

You didn't say what map definitions file you are using. The good ones should already have the axis swapped.