I started notice that my EGT while cruising is alarmingly high.
I could get up to 950C/1750F+, at first I thought the EGT is off (it does have a bad ground and the needle jumps around sometimes)
One drive when I was cruising @ 100kph/60mph~ I saw the EGT is very high, for every little gas pedal moment the EGT would raise even more...
It was dark, I pulled over and opened the hood, the exhaust manifold and the turbo turbine were glowing red like I never saw it !
Many reading days later, conclusions:
- Higher BTDC degree = Less EGT = Less power
- AFR lower or higher then 14.7 = less EGT
My ignition map when EGT was too high:
The marked area is my cruise cells.
I added spark to the cruise arae like so:
The EGT dropped by as much as 300C/570F~ !!
Of course the power in the area dropped too.
I'm ultra happy with my little win
Now I need to find the right balance between EGT and powa.