Typical ignition timing response to throttle snap?

[Gary Derian]

Usually timing is retarded during throttle opening to avoid detonation.

Gary Derian <gderian at oh.verio.com>


> HI everyone
>
> I was wondering  what effect rapid throttle movement has on ignition
timing.
>
> I know that extra fuel is injected when the throttle is quickly depressed
to
> improve throttle response. Are there any ignition timing events that occur
at
> the same time to also improve throttle response?
>
> Do you get a little extra advance during TPS event or what?
>
> Thanks
>
> Jon