Do i add Wynn's Super Charge Oil Treatment before or after oil change
I am just about to change the oil on my car. Do i add the treatment before the change, run the engine and then change it out with the oil, or conduct the oil change and then put in the Wynn's and leave it in until the next oil change?
Age Group: 35 - 44
Attitude to Car Maintenance: Enthusiast
How many cars: 2
asked 1 year, 7 months ago
on Wynn's Super Charge Oil Treatment 425ml