04/18/2007 12:00AM

Disco's Son good and getting better

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OZONE PARK, N.Y. - Disco may be dead, but Disco's Son is making a comeback.

After waltzing to victory in a second-level allowance race at Gulfstream Park, Disco's Son takes the next step on what his connections hope is a stakes-filled campaign on Friday when he heads a six-horse field entered in a third-level allowance race at Aqueduct.

According to trainer Phil Serpe, Disco's Son had been plagued by a chronic breathing problem early in his career. But last summer, after coming out of a Saratoga allowance race with a severe bruised foot, Disco's Son was given time off and also underwent a throat operation.

After running fifth, beaten 2 1/2 lengths, in a comeback race going seven furlongs at Gulfstream in February, Disco's Son came back to win a six-furlong allowance race by 5o1/4 lengths, timed in 1:08.60 and earning a Beyer Speed Figure of 106.

"We sort of knew going into that seven-furlong race that we were kind of giving him a race," Serpe said. "That's as fit as he was. From that race moving forward he really trained good. He was touting himself a lot; he'd work in 59 and gallop out in 1:11. But there's a big difference between the morning when there's not pressure to the afternoon when there's pressure.''

In his last start, Disco's Son handled the pressure just fine, dueling with longshot Winnies Tigger Too through a half-mile in 45.06 seconds, before opening up turning for home and taking off in the final furlong after Joe Bravo gave him a tap of the whip.

Though nobody would have questioned Serpe if he had run Disco's Son in the Grade 1 Carter Handicap, Serpe isn't convinced his horse will succeed racing farther than six furlongs.

"The jury's still out on that," Serpe said. "When a horse gets beat or something doesn't go right it can really back you up."

Serpe said a successful race on Friday could earn Disco's Son a start in the Grade 3, $200,000 Maryland Breeders' Cup Sprint Handicap at Pimlico on May 19.

Though there are several front-running types inside of him, Disco's Son could be the speed of the speed in this field. Trainer Bruce Levine sends out the coupled entry of Executive Choice and Lucky Gamble, and both are speedy sorts.

Touchdown Kid ran the best race of his career over Aqueduct's main track in November. He's been an inconsistent sort who has had foot problems throughout his career, but he could get a good set-up in here.