shucker1
Elite Explorer
- Joined
- May 4, 2008
- Messages
- 2,107
- Reaction score
- 449
- City, State
- Metairie, Louisiana
- Year, Model & Trim Level
- 98 XLT 5.0
A second benefit is that it keeps a mild negative pressure on the crankcase, by doing so oil leaks will not be as bad. PCV system also used to eliminate blow by gasses from the pistons and keep them from fouling your oil.