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Paul Sakuma, Associated Press
San Francisco 49ers quarterback Alex Smith, right, smiles at tight end Vernon Davis (85) late in an NFL football game in San Francisco, Sunday, Oct. 9, 2011. The 49ers defeated the Buccaneers 48-3.

SANTA CLARA, Calif. — The 49ers are headed to Motown with some serious mojo.

Running back Frank Gore reflects on his dominant days at the University of Miami. Cornerback Carlos Rogers also has to go back to his days at Auburn to find a time when things were going this well.

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Quarterback Alex Smith and San Francisco's improving offense are piling up points — as in 62 the past six quarters — while timely plays by guys like Rogers on defense are creating extra scoring chances, too.

Both sides of the ball and special teams have carried the division-leading 49ers to a surprising 4-1 start. Not to mention new kicker David Akers and reliable punter Andy Lee, who are also doing their parts in the "process," as first-year coach Jim Harbaugh always refers to his team's 2011 journey.