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6 month or 12 month Oil Changes

Old 03-15-2019, 01:00 PM
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Default 6 month or 12 month Oil Changes

I know this is maybe flame bait but what are the opinions, 6 months or 12 month oil changes for a low milage driven 997!?........
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Old 03-15-2019, 01:12 PM
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Jake says every 90 days.

Heck, I am a real enthusiast so I do it monthly.

Only the best for my car.

Seriously, I only drive my car a 1k mi per year so I am being extra careful.
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Old 03-15-2019, 01:19 PM
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My Indy says every year or 5k miles.
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Old 03-15-2019, 01:33 PM
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I do once per year... which is about 3k miles. But, I've only had it one year and don't expect to have it another.
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Old 03-15-2019, 03:09 PM
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I have the oil changed in my car once per year which is about every 3K miles. I have the brake fluid changed every other year.
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Old 03-15-2019, 03:20 PM
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Oil change once a year, drive about 2K miles per year.
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Old 03-15-2019, 03:37 PM
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Depends on how you drive it and how many miles you put on it.

Short trips where the car doesn't get up to operating temperature? 6 months.

A few drives but they're long and the oil warms up fully and the car is garaged? 1 year.
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Old 03-15-2019, 03:55 PM
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I do 1 year or 3000 miles whichever comes first which is usually 3000 miles.
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Old 03-15-2019, 04:07 PM
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I go every 6 months or 5,000 miles. This shouldn't case any flames - lots of people have different opinions.
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Old 03-15-2019, 04:14 PM
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6 months or 5000 miles...usually 6 months is first. brake fluid every two years. other than that i look at the maintenance schedule in the books and see what else i can spend money on. i drive mine daily.
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Old 03-15-2019, 05:40 PM
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Originally Posted by Fahrer View Post
I have the oil changed in my car once per year which is about every 3K miles. I have the brake fluid changed every other year.
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Old 03-15-2019, 06:29 PM
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Thanks for the input.....I use Liqui Moly and live in Forida with warm climate. Always drive longer trips so everything gets nice and warmed up to burn off any built up water.
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Old 03-15-2019, 06:56 PM
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5000k or just when she goes into winter storage whatever comes first ....X2 for Liqui Moly .... Motul is excellent also...
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Old 03-15-2019, 07:07 PM
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I don't want to start an oil debate but to the guys who change their oil frequently, less then a year/5k mies, do you do UOA? If so, can you post up your results.

I've found conflicting oil schedules and have driven over 5K and over a year on Motul Xcess 5w-40. I drive throughout the year and approx once a week. I'm not a worry wart but I recall some UOA reports from Blackstone suggesting to put on some miles on in between each UOA when it was less then 3k miles.

Engine Oil 20,000 miles or every 2 years
Spark Plugs 60,000 miles or every 4 years
Oil-/Air-Filter Element 20,000 miles or every 2 years/40,000 miles or every 4 years
Coolant Does not require change
Fuel Filters Maintenance-free
Brake Fluid 20,000 miles or every 2 years


Oil change Engine oil lubricates and removes heat from internal engine components. The oil filter removes harmful deposits from the engine oil, preventing them from being circulated throughout the engine. The oil change is included in the minor and the major service. Nevertheless, Porsche recommends replacing the engine oil and the oil filter every 15,000 km or every year.

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Old 03-15-2019, 08:45 PM
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Go on line and order a test kit from Blackstone, its free. Pay an extra $10 for a TBN. It will tell you how much life the oil has left.
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