Pinnacle of Piston fighter: XP-72 vs Spiteful Mk XVI?

[Jugman]

No charge cooling is a big minus.

It had a liquid aftercooler.

 

[Reluctant Poster]

It had a liquid aftercooler.

I'm not seeing it in the photos

 

[Peter Gunn]

OK, trying to keep up here but struggling.

So which is the top option between the V-1710-E27 and the V-1710-H?

And photos would help please...