Put about 1/3 of the bottle in around 500 mi before the nexst oil change. Pour the rest in the gas tank or for a more thorough intake cleaning; disconnect the booter vac line and let the remaining get sucked into the intake until the engine stalls, let it sit about 10-minutes and then start her up. * Warning - its going to smoke like
* I've done this about 3 times as I suspected I had some stuck piston rings (had a mysterious disappearing oil problem and suspect it was being burnt) and now my oil level stays steady.
I've been using seafoam on my Ford once a year for a number of year. It came highly recommended and I recommend it too.
98 SSEi 111,222 miles.
Intense PCM, LS6 Valve springs, PEMS, FWI. Hawk Street Pads.