Tuning boost curves for the street/strip with traction control logging*Note* I'll add screenshots soon
I'm a recent convert to ProEFI, and today I got to playing with traction control when something amazing dawned on me. I logged a run with driven and non-driven wheels, boost, RPM, and a bunch of other stuff that's less pertinent to this thread. Now, this may be more common knowledge than I'm aware, but it's new to me and I'm excited so I'm sharing with you all
I thought to myself, traction control wouldn't have to kick in if I had less boost JUST before my rear wheels slipped. So I picked the last RPM and vehicle speed point before the engine flashed and wheels broke traction. Then I went to my iBoost curve and decreased boost accordingly at that RPM point (which was 5000RPM, incidentally where I must be making peak torque because I lost traction here in each gear). I adjusted the boost at the other few wheel speeds that coincided with traction loss.
I also can see where I'm getting into boost in my log, so I can ramp up to appropriate boost levels by gear, using the VSS/boost table.
Basically, I've optimized my boost curve for my max grip given the current tires and outside air temp. No more feathering my throttle, losing boost, and worrying about killing myself! Just floor it and let the tune do its thing. Once I've got the two-step and launch control set, I'll be destroying (stock) GTR's all day long. I've got 5 iBoost settings on my switch, so I'll use it for:
3)warm summer day
4)drag strip with DR tires
5)dyno with boost set at max at all speeds
I f***in LOVE my ProEFI!