How much difference would using LC/FP along with Amsoil TSO 0W-30 in vehicles over just using the oil alone? Vehicles I have are a 95 Geo Metro 1.3L w/100,000 mi and 93 Toyota Corolla 1.8 w/ 165,000 mi. The geo ran dino for 40,000 mi then castrol syntec till 75,000 then Amsoil TSO till present. OCI on dino 3000 mi syntec 4000-5000 mi, on the amsoil once/yr or 6000-7000 mi, oil filter changed at every oil change. The Corolla ran dino till 50,000 mi, syntec until 140,000 then amsoil TSO to present. OCI similar to Geo. Corolla was flushed using Amsoil flush at changeover per bottle directions. I have been running Amsoil PI in the gas whenever I think of it usually 3-4 times/yr at 4-6 oz/ 6 gal or so fillup. I plan on running these cars for as long as possible so want to keep them in top running condition. What benefits could be gained by using LC/FP in these vehicles?
Thanks,
Steve
Thanks,
Steve