2017 Tacoma: FSM = 16,000kms (9920 miles) under normal service. I change every 15,000kms (9300 miles).
1967 Impala: FSM = 6,000 miles under normal service. I change every 6,000 miles and do not adhere to the FSM time limit (4 months) at all.
1967 Impala: FSM = 6,000 miles under normal service. I change every 6,000 miles and do not adhere to the FSM time limit (4 months) at all.