Any good for a turbo si.(greddy)

 

yeah

 

No good for anything unless you have the software and hardware interface.
Right now there is a bootleg being made for hondas but its not out yet.

 

that's not quite true is it? when you say software are you talking about the PowerEXCEL?

I thought that you only need the PowerEXCEL (or its bootleg counterparts) to change your base maps, which cannot be tuned with the handheld. I know for RX7's, places that sell the PFC can adjust the base map depending on your mods. So the PFC is pretty much "pre-tuned", but it still needs to have minor adjustments made to the fuel and timing maps, for your specific conditions (which you can adjust with the handheld).

So IIRC there are two maps that can be adjusted, the BASE map (PowerEXCEL) and the fuel and timing map (handheld). The BASE maps values once set by the PowerXL cannot be adjusted. The handheld is used to adjust the Base Map's set values by a percentage.

If you look at the cells in a PFC map you will see numbers like 1 or 1.5 or 0.80....IIRC that would mean for example the BASE value for fuel is 14.7 (A/F ratio), if you have the handheld value to 1 in your cells then your overall A/F ratio will be 14.7 (for that load and rpm point). if the handheld value was 0.90 than the overall A/F ratio would be 13.23 (90% of 14.7)

does that sound right to you PFC users? I got most of that stuff from http://www.rx7club.com which has a ECU forum specifically for PFC base maps, and for PFC discussion.