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.
Most / Least Educated Cities in FL. The average temperature of Wildwood is 70.97Â°F, which is about the same as the Florida average temperature of 71.80Â°F and is much higher than the national average temperature of 54.45Â°F.