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.
North Wildwood is a city located on the Jersey Shore in Cape May County, New Jersey, United States. It is part of the Ocean City Metropolitan Statistical Area. 4,935 residents were counted during the United States 2000 Census. North Wildwood is home to the Hereford Inlet Lighthouse. What is now North Wildwood City was originally incorporated as the borough of Anglesea on June 13, 1885, from portions of Middle Township, based on the results of a referendum held eleven days earlier.