Looks like you are using up some older oils in your stash, not a problem with that car, and they are still good oils for your application.2001 Toyota Celica GT - 143,467 miles
Out: Castrol GTX Magnatec (Syn Blend version) 5W-30, Purolator Boss PSL14476 (was in use for 2 OCIs, almost 2 years)
In: Pennzoil Platinum 10W-30 (API SM), Fram Ultra Synthetic XG4967
OCI Interval: 4780 miles, just over 9 months.