Mike Dunleavy made a three-point shot to send the game in overtime, and Artis Gilmore scored seven points in the extra period as the Spurs beat the Detroit Pistons, 147-143, last night in San Antonio, Tex.

Gilmore finished with 26 points. George Gervin scored 41, and teammate Mike Mitchell had 28 points, 11 assists and 10 rebounds. Point guard Johnny Moore, playing for the first time in five games, had 19 points and 18 assists.

Detroit got a career-high 46 points from Isiah Thomas and Kelly Tripucka scored 34 points.

San Antonio led, 130-129, late in the game when Tripucka made a jump shot with 38 seconds to play. Thomas' two free throws with 28 seconds left gave the Pistons a 133-130 lead.

But Dunleavy tied the score from the top of the circle, and San Antonio scored seven of the first nine points in overtime.

Detroit led, 66-51, in the second quarter before San Antonio rallied to close the gap to 73-66 at the half. Thomas helped Detroit to a 103-103 tie to end the third quarter.

The Pistons, who made 36 of 40 shots from the free throw, lost for the eighth time in nine games.

San Antonio, which shot 63.1 percent from the floor, ended a three-game losing streak.