Does this make sense to anyone? The tables have timing advanced as fuel heats up. This makes no sense to me. Hotter fuel is going to evaporate quicker and ignite with less delay.

Does this make sense to anyone? The tables have timing advanced as fuel heats up. This makes no sense to me. Hotter fuel is going to evaporate quicker and ignite with less delay.


it actully takes longer to burn when the fuel reaches those tempatures
its not a stable fuel anymore

Really? Evaporation is quicker, that's not disputable.

"stable"? I don't undestand. all distillates become less stable as temp increases. That's why diesel is relatively safe at normal ambient conditions, yet explosive at 300 degrees. It is this instability that causes sharper combustion MEP peaks to rise, and total torque to drop. Hence why I reasoned that timing should be retarded for hot fuel.

If I am wrong, straighten me out.