It's a long story but I was pretty well dialed in (by feel) for a brisk 1/8 mile and daily driving, then I got on the dyno in 5th gear (my 1:1 ratio) and found it was on the lean side (12:8 - 13:0). I have never really pulled through 5th to redline, and that explains my weak top end and once in a blue moon top end knock.
So I added a bit of fuel and it would not stop breaking up rich on the dyno. It produced 341 wheel torque a popping zigzag pattern 245 wheel horse. Both the PLX wideband and tailpipe sniffer agreed it goes stupid rich right after 4k RPM. Obviously, I am "doing it wrong" and need to connect the PLX to the software (a link to learning to do that would be sweet).
So I decided to stop messing with the other software I was using all this time and use HPT exclusively - as it is dominantly better for this application. Please don't scream at me or tell me I am going to blow my engine, as I've only had HPTuners for 1 week. I am sharing my tunes because I desperately need advice, me and my buddy Joe have been going back and forth about it in e-mail but at this time I need to open up to a wider audience to chime in. Thanks!
So tune "A" is going back to the first lean dyno, and making some changes. I know I should have just changed one thing at a time but I couldn't resist because there are SO many great options in HPT. The result was a VERY strong street pull and it rockets to 70 MPH with a blip of the throttle in 5th, no AFR issues except it pops hard as hell when I stand on it to downshift in "D". Had to pull over and stop the detonation by re-tuning.
A - hard, pops.hpt
In this tune B I made some changes that I though were going to reduce knock, it ran like a bat out of hell, felt like 400 wheel horse and it FLEW when I nailed it but... knock really bad on shifts. So I stopped again.
B - bat out of hell, POPS.hpt
Sick of the pinging (more like bombing), I pulled more boost and timing, and added more fuel - thinking it will not knock at all and I can slowly go back up. AFR ended up way too rich, around 10:5 but...still pops on shifts!
C - too rich and pops on shifts.hpt
Sadly I did not log this time, I usually do (some preferred PIDs would be appreciated). I am new to logging with HPT.
The setup is a stock LHU with a 6T50, running 93 pump with full intake and exhaust. Newest PLX in ZZP downpipe. No cats and no boost gauge. My goal is to run mid 20s boost and make 300 wheel horsepower and 400 wheel torque and be able to pull through all gears smoothly whether on the dyno, at the strip, of in 99 degree traffic. I got a long way to go... please chime in if you can and care to. I will gladly answer any and all questions. Thanks!