Leather,
Absolutely no offense intended in my comment. The fact of the matter is that none of us who own these older, high mileage cars could really be accused of being a spendthrift (except maybe by PEH). OK, I admit it. Maybe I am a spendthrift. I recklessly and foolishly change my filters every 30,000 miles, whether they need it or not. There, I've said it. I feel better.
LRG

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LRG
1987 300D Turbo 175K
2006 Toyota Prius, efficent but no soul
1985 300 TDT(130K miles of trouble free motoring)now sold