Ironically, I feel pre-prime Wlad has a better chance to blitz Lewis than prime Wlad has to outbox him.
Wlad being flung out for Akinwande style panic-clinching wouldn't be a shock. Manny Steward did well papering over Wlad's glaring weaknesses by mastering a one-two-clinch combination. Lewis isn't Alex Povetkin or David Haye though, two guys who could be physically bullied. Lewis is simply too much fighter for a manufactured guy who boxed by numbers. KO or DQ for Lewis before half way for me.
I think this looks similar to the Vitali fight except Lewis gets hurt more in the early going, but stops Wlad, not on cuts, but by a proper KO.
Gut feeling is that a prime Lewis would fold him like a cheap deckchair. As stated above, Wlad more than capable of getting the knockout himself should Lewis walk into one.