Pennzoil and Sludge!
Pennzoil and Sludge!
This link has opinions on oil based on experience... My experience is 260,000 miles with no engine work on Castrol GTX. Changed oil once every 3,000 miles until a water line broke and the engine seized at 170,000 miles. After that switched to "Don't change, just add" for the last 90,000 miles. The frame on that 83 Honda cracked and it stranded me a couple of times, so I traded it in for a Mercedes ML320. Used synthetic oil after first change and followed the service indicator (10,000 miles). That car burned 2 quarts between changes. That was the first time the oil pressure light ever came on... Traded that car in for an Element at 99,000 miles.
Conclusions based on slight data: Oil gets polluted by combustion by products forcing an oil cange at 10,000 miles whether conventional or sythetic oil is used. You could do worse than Castrol GTX.
This link has opinions on oil based on experience... My experience is 260,000 miles with no engine work on Castrol GTX. Changed oil once every 3,000 miles until a water line broke and the engine seized at 170,000 miles. After that switched to "Don't change, just add" for the last 90,000 miles. The frame on that 83 Honda cracked and it stranded me a couple of times, so I traded it in for a Mercedes ML320. Used synthetic oil after first change and followed the service indicator (10,000 miles). That car burned 2 quarts between changes. That was the first time the oil pressure light ever came on... Traded that car in for an Element at 99,000 miles.
Conclusions based on slight data: Oil gets polluted by combustion by products forcing an oil cange at 10,000 miles whether conventional or sythetic oil is used. You could do worse than Castrol GTX.
posted by ed at 10:26 AM
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