Seafoam

[1800thehill]

I put two cans of seaform in the diesel at every oil change (5,000 miles) and it seems to work great. Has anyone used it in the oil? If so, how did it perform? My 99 F-250 has 390k on it. Just looking for ways to improve.

 

[DaveBen]

Here is some information form the Seafoam site; http://www.seafoamsales.com/using-sea-foam-motor-treatment-in-crankcase-oil.html

Dave