Hi Pat. We recommend adding Sea Foam to oil 100 to 300 miles before the end of each oil change interval. Just know that you can add any time during the interval as long as you drive at least 100 miles to allow Sea Foam enough time to circulate and clean. Hope this helps!
Hi Pat. We recommend adding Sea Foam to oil 100 to 300 miles before the end of each oil change interval. Just know that you can add any time during the interval as long as you drive at least 100 miles to allow Sea Foam enough time to circulate and clean. Hope this helps!