Continuing ignition timing debate from the 416 thread.

92b said

How would a locked distributor cause a motor to foul plugs in the staging lane? It would have to be either too much timing or not enough, right? Which would it be?

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It can be a lot of reasons.

Too much timing down low heats the plugs. So you add fuel to cool the plugs. And it fills the exhaust ports with nasty tar.

That’s one sign.

Again, you have yet to show a single engine that wants the same timing at peak torque as it does at peak power.

You can’t because it doesn’t exist. Well, that’s not exactly true.

There are some engines that at peak power have so much mixture motion that you need to to pull some timing out at peak power.

That’s pretty rare.