Input needed - Timing curve - Terminator X

These end up in Electrical, as well is Small Block, Performance Issues and General Tech. Take your pick -any one of them is appropriate IMO.

Yep a little blurry but probably OK starting point.
I know we've had a couple discussion about MAP - RPM AFR tables FI LA engines. They may be worth looking at.

This one starts with a 408
https://www.forabodiesonly.com/mopar/threads/figuring-out-advance-timing.494616/post-1973509003
and another
https://www.forabodiesonly.com/mopar/threads/timing-advance-guru-input-needed.442145/post-1972615292
This one is for a 360 Magnum but you can see what the factory was doing.
https://www.forabodiesonly.com/mopa...p-with-my-timing-curve.532105/post-1974150156