Originally Posted By: Gary Allan
Originally Posted By: gofastman
Thanks for the response, I usualy run Amsoil or PP for 10,000 miles and spin a new filter on after 5,000, the engine has 150,000 miles FWIW
How many months does this take 10k to accumulate? You no longer swap out the filter to replenish the additives in Amsoil.
a year or so, why do you not need to replenish the additives is it a new formula?