Woke up early today and started tuning my KAT around noon in 80 degree weather, and I must say tuning a car was quite an experience.
Granted, the car isn't fully tapped for power cause of the conservative settings (I hope).
Controlling the fuel was easy since I had a wideband, but ignition was another story as I have no way to monitor total timing. What I ended up doing was setting the base timing down to 15 degree and adding back a few degrees in the ignition map regions that were around the idle area. Throughout the rest of the map, I backed down timing even further by as little as -1 degree to as much as -9.
First few slow runs were done to see what the A/F were under part throttle - car was running slightly lean as boost was building so I richened that up a little. I had to play that game for about an hour and pushed the car slightly harder every run until I got an A/F of 11.5-12.5 throughout the rpm band.
Although the car runs decent (~6.6psi), it runs extremely hot. So hot that the chassi metal around the shifter is hot to the touch. My tranny was also pretty hot and about 1/2" low on gear oil so I filled it up again but havn't test drove it again to verify if that was causing the heat.
Why does it run so hot, and is it normal? Could the engine be running hotter because I've backed off timing too much?
I attached a picture of my emanage map settings in case any experts want to chime in! WARNING: I assume no liability for anyone wishing to use these maps.
Now for the fun part - the car builds boost at around 2400ish and hits full boost by 3300-3400. I feel that it should build boost around 2200 and hit full boost by 3200 because my off-boost timing seems a little retarded? When the engine gets past 3500 rpm though, the car really scoots!