Question on engine oil...overfill
#62
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The VIN format changed with the intro of the MY2000:- the 'short VIN' changed from 6 digits to 'A' + 5 digits - see attached.
The TSB doesn't refer to earlier cars, but the general consensus seems to be that an extra litre will do no harm. I fill to ~1cm above the upper hole.
My dipstick is unmarked.
The TSB doesn't refer to earlier cars, but the general consensus seems to be that an extra litre will do no harm. I fill to ~1cm above the upper hole.
My dipstick is unmarked.
#64
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Wow, what a thread. Oil always seems to bring out the opinions. I'm with Jon89, with the exception that I change my oil every six months (or 6,000 miles) because I usually don't drive 6,000 miles in six months and oil gets old. At 125K miles, I don't have any consumption and neither does my car.
My journal shows 3 oil changes, the last being 4 years ago with only 1300 miles since. Because I use only 100% high quality synthetic oil I see no need to dump it out and put in new oil to sit between periodic "run and warmup" maintenance and limited driving. IMHO, good oil does not "go bad" or get old. I have never had any indications of oil-related problems, especially with this well-engineered engine. Dumping good oil is also a big polluter.
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#67
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Before adhering to any multi-year oil change interval it would be prudent to spring for a $30 oil analysis by Blackstone Labs.
The danger of leaving oil in place after a driving season has been documented to show that there is a substantial accumulation of blow by gases which have condensed and mixed with the oil. This acidic oil left to bathe the bearings for months at a time is a significant contributor to bearing wear and failure.
If an oil analysis shows no such danger, and a healthy percentage of additive package still in place, then leaving oil in the engine for extended periods of time is warranted. Barring such confirmation, any anecdotal tales of “it didn’t hurt anything” are at best a risky path to follow.
Z
The danger of leaving oil in place after a driving season has been documented to show that there is a substantial accumulation of blow by gases which have condensed and mixed with the oil. This acidic oil left to bathe the bearings for months at a time is a significant contributor to bearing wear and failure.
If an oil analysis shows no such danger, and a healthy percentage of additive package still in place, then leaving oil in the engine for extended periods of time is warranted. Barring such confirmation, any anecdotal tales of “it didn’t hurt anything” are at best a risky path to follow.
Z
Last edited by zray; 10-23-2021 at 09:28 PM.
#68
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Before adhering to any multi-year oil change interval it would be prudent to spring for a $30 oil analysis by Blackstone Labs.
The danger of leaving oil in place after a driving season has been documented to show that there is a substantial accumulation of blow by gases which have condensed and mixed with the oil. This acidic oil left to bathe the bearings for months at a time is a significant contributor to bearing wear and failure.
If an oil analysis shows no such danger, and a healthy percentage of additive package still in place, then leaving oil in the engine for extended periods of time is warranted. Barring such confirmation, any anecdotal tales of “it didn’t hurt anything” are at best a risky path to follow.
Z
The danger of leaving oil in place after a driving season has been documented to show that there is a substantial accumulation of blow by gases which have condensed and mixed with the oil. This acidic oil left to bathe the bearings for months at a time is a significant contributor to bearing wear and failure.
If an oil analysis shows no such danger, and a healthy percentage of additive package still in place, then leaving oil in the engine for extended periods of time is warranted. Barring such confirmation, any anecdotal tales of “it didn’t hurt anything” are at best a risky path to follow.
Z
#69
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yes ! If I had unlimited funding I’d be getting an oil Analysis done every oil change to satisfy my O / C
leanings when it comes to car maintenance.
But since the car gets driven 15,000 to 20,000 miles per year and my oil changes are every 5,000 miles, I’ve settled for having a Blackstone Lab report done every 3rd or 4th oil change
https://www.blackstone-labs.com/
Z
leanings when it comes to car maintenance.
But since the car gets driven 15,000 to 20,000 miles per year and my oil changes are every 5,000 miles, I’ve settled for having a Blackstone Lab report done every 3rd or 4th oil change
https://www.blackstone-labs.com/
Z
#70
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yes ! If I had unlimited funding I’d be getting an oil Analysis done every oil change to satisfy my O / C
leanings when it comes to car maintenance.
But since the car gets driven 15,000 to 20,000 miles per year and my oil changes are every 5,000 miles, I’ve settled for having a Blackstone Lab report done every 3rd or 4th oil change
https://www.blackstone-labs.com/
Z
leanings when it comes to car maintenance.
But since the car gets driven 15,000 to 20,000 miles per year and my oil changes are every 5,000 miles, I’ve settled for having a Blackstone Lab report done every 3rd or 4th oil change
https://www.blackstone-labs.com/
Z
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