sentences:  The depth of weekly talent at each area speedway led to the formation of Pennsylvania Speedweek in 1991, a week-long series of higher paying races as a way to showcase the best drivers in the region.Williams Grove held the first race in the series on July 3, 1991 which was won by Steve Smith.358 sprint cars were now a very promising division, drawing large car counts and acting as a development division for the 410 sprint cars.