slick 50?
Senior Member
Joined: Jan 2001
Posts: 975
Likes: 0
From: W. Van., BC, Canada
Unless you're driving a 50's vehicle, don't bother with any oil additives in newer vehicles. Just change your tranny oil every 20-30k miles. If the additives were so spectacular the oil companies would be adding them already. Many just end up clogging your filter.