Personally, I would just change the oil, drive it 20 miles, and change the oil again to get out any of the remaining mess. If sludge was really your problem there are products you can buy and use to remove sludge form your engine.
Wildwood, Florida. Wildwood is a city in Sumter County, Florida, United States. The population was 3,924 at the 2000 census. According to the U.S. Census Bureau's 2004 estimates, the city had a population of 3,598. Contents.
Referred to as Florida's nature coast, 1.5 miles north of Dunnellon and near the city of Ocala in beautiful Marion County. Huge oaks and towering pines blended with a stunning variety of flowering foliage make our neighborhood a virtual paradise and unique among Florida destinations.