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.
Population of Wildwood, FL Last official estimated population of Wildwood city (Sumter County**, Florida state) was 7,181 (year 2014) [1]. This was 0.002% of total US population and 0.04% of total Florida state population. Area of Wildwood city is 40.4 miÂ² (=104.7 kmÂ²) [6], in this year population density was 177.66 p/miÂ². If population growth rate would be same as in period 2010-2014 (+1.71%/yr), Wildwood city population in 2017 would be 7,557*.