I see a lot of modern engines, such as the new Hemi or the LS-series, getting custom big-bore sleeves. Can a similar process be done to, say, a flathead Ford? Everyone I ask about this says you can't ...

That's a big deal on those LS aluminum blocks with bore-oversize-limiting, cast-in-place factory cylinder liners, but you can see that in terms of old-school engines—particularly the ancient engines ...