The name is a bit of a misnomer, as most of the length is in the legs (and arms, I suppose)

You can get about 12 pounds of belly from a short pig, which is where delicious bacon is usually cut from.

Given that the ideal fat-to-meat ratio in a long pig would be in the rectus abdominis, external oblique, internal oblique, and transverse abdominal muscles of the abdomen, you would likely get considerably less bacon from a long pig.

I suppose if you went out of your way to find a particularly lengthy long pig, your dream could potentially be possible.

However, long pig tastes quite similar to veal, if you're looking for a genuine Denny's Grand Slam flavor of bacon, you might be a little disappointed.