Thread: Engine Guru's, Help Me Understand Ignition Timing

Originally Posted by turbocharged406sbc

ok but it'll be lkong and drawn out since rotating assembly geometry plays a huge part in how and where peak cylinder pressure occurs (which ideally would be at around 30* ATDC)

Okay, Im kinda glad you dropped in because I was unsure if the ideal timing was at 0* or after, but that helps.

So we would want spark to occur say at 0* and maximum pressure build at 30* ATDC for example, correct?