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Old 01-18-2014, 11:15 AM   #1
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change oil with little driving?

I have an old car (68) in good shape that I insure for summer months only and changed the oil last spring. I put about 600 miles on it last year and wonder what you guys would do this spring. Change the oil or leave it for another summer? Thanks for your thoughts

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Old 01-18-2014, 11:25 AM   #2
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For cars I rarely drive, I change the oil twice a year

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Old 01-18-2014, 11:33 AM   #3
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They made TJs in 1968?

Until everyone started using synthetic, it always used to be "Every 3000 miles or 3 months, whichever is sooner". Honestly, I think 6 months is probably OK if you dont drive it much. I might not be the best in motorcycle maintenance but i let a bike go 2 years before. I didn't ride it more than 2000 miles and I always checked the oil every single time i started it (it has a sight glass on the side of the motor, easy!). It's just fine, but i haven't torn the motor down or anything.

Oil becomes acidic from blow-by gasses and can etch the metals, allegedly. I've never seen it before, and I've torn down lawnmower engines that weren't properly maintained, and i have never witnessed this etching.
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Old 01-18-2014, 11:46 AM   #4
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I only drive my Jeep around 2,000 miles a year, I change it twice a year, because it is out in bad weather (snow), and spring/summer when it is extremely hot and hard on the engine. I do not run synthetic though.
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Old 01-18-2014, 01:00 PM   #5
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I have an old car (68) in good shape that I insure for summer months only and changed the oil last spring. I put about 600 miles on it last year and wonder what you guys would do this spring. Change the oil or leave it for another summer? Thanks for your thoughts
I would leave it alone. I drive my Jeep a lot and use synthetic. I have deployed 4 times. The oil was never due to be changed around the time so it sat a year with old oil. Many times. Recently I changed my oil pan (cause I smashed it) and everything looked new in there. Crazy new. It has 130,000 and no sludge or anything the crank looked like it just came off the assembly line. Oil is a preservative. It don't absorb water like brake fluid or become corrosive like antifreeze. Old antifreeze would be a good thing to change if it's due before parking it.
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Old 01-18-2014, 06:30 PM   #6
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I change my oil once a year in my TJ. It is fully synthetic and I drive it only about 2K/year. Synthetic blend in my Ford FX4 and it gets changed every 6 months. I have had it almost a year and only put 8K on it. I take a bus to work.
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Old 01-18-2014, 06:52 PM   #7
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Mine is a weekend Jeep and I change the oil at 5000 miles or 12 mos.
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Old 01-18-2014, 10:26 PM   #8
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I put 2k miles on my jeep per year. I change it annually with a synthetic blend. It still looks new when I change it.

Condensation will be your biggest concern.
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Old 01-18-2014, 10:28 PM   #9
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Condensation will be your biggest concern.
Water don't mix with oil. Curious why this is a concern. If it were going to pool on top it would on the floor. Please explain.
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Old 01-19-2014, 08:12 AM   #10
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3,000 miles or twice/yr
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Old 01-19-2014, 08:50 AM   #11
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Water don't mix with oil. Curious why this is a concern. If it were going to pool on top it would on the floor. Please explain.
Those folks who don't drive their vehicles much run the risk of condensation issues. As the engine cools, moisture forms inside the motor. Under normal use, if the motor gets to normal operating temp, the condensation will literally steam off. Condensation inside a motor can cause corrosion if it does not leave.

This reason has been cited in many places as a reason why those who drive infrequently should change their oil more frequently than every 3k miles. In other words, if you don't drive a lot or take just drive infrequent short trips, you may want to increase your oil change intervals OR, be sure to get out and drive your vehicle they way God intended on occasion to drive the water out. On the other hand, I have never heard of an engine trashed in this way

Bottom line...I am really not sure how much of a problem it is.
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Old 01-19-2014, 10:14 AM   #12
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Originally Posted by MercMan View Post
I have an old car (68) in good shape that I insure for summer months only and changed the oil last spring. I put about 600 miles on it last year and wonder what you guys would do this spring. Change the oil or leave it for another summer? Thanks for your thoughts
Lots of solid advice provide above.

I have a few vehicles that don't get frequent driving (less than 2000 miles a year) and it is a good habit to change the oil at least annually. More importantly, stay on top of fuel storage as this will likely contribute to more issues than not changing the oil!
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Old 01-19-2014, 10:28 AM   #13
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Lots of solid advice provide above. I have a few vehicles that don't get frequent driving (less than 2000 miles a year) and it is a good habit to change the oil at least annually. More importantly, stay on top of fuel storage as this will likely contribute to more issues than not changing the oil!
Ahh yes! Stabil is a must! Good point.
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Old 01-19-2014, 10:33 AM   #14
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More importantly, stay on top of fuel storage as this will likely contribute to more issues than not changing the oil!
Good point. I never keep the tank full on a car I don't use much, and the first stop I make when I do take it out is the gas station
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Old 01-19-2014, 01:18 PM   #15
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Water can mix with oil in the engine. It emulsifies the oil and makes it look whiteish. Ever seen a blown headgasket?

Ive seen it happen from just condensation in air cooled engines.
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Old 01-19-2014, 07:13 PM   #16
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Despite what people think, oil has a shelf life. That's why they put a Mileage and a date on your oil change sticker... If it sits in an engine it can actually start to break down after a while
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Old 01-19-2014, 07:17 PM   #17
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Change it....oil is cheap.
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Old 01-19-2014, 07:59 PM   #18
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Despite what people think, oil has a shelf life. That's why they put a Mileage and a date on your oil change sticker... If it sits in an engine it can actually start to break down after a while
Oil can sit for years. I think it has a shelf life of 5 to 10 years in the bottle and I bet you will be hard pressed to find anything wrong with it even after that.
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Old 01-19-2014, 08:01 PM   #19
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Water can mix with oil in the engine. It emulsifies the oil and makes it look whiteish. Ever seen a blown headgasket? Ive seen it happen from just condensation in air cooled engines.
Engine oil and water can not mix.....ever. What you are seeing is an emulsion much of which I think is the result of stabilizers used in the oil.
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Old 01-19-2014, 08:32 PM   #20
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So I was going to post after the last condensation thing but decided against it. Can't help it now. Changing oil will not stop condensation. Condensation will not mix with oil. An engine will fill up with no more condensation than the inside of the vehicle that is experiencing the same temps. Will changing the carpet yearly help? Nope. Oil does not go bad in the time frame we are discussing it reduces friction and preserves metal. I agree completely with above poster WaterDr. Changing oil due to age is a waste of money and resources and as my earlier post showed pointless.
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Old 01-19-2014, 08:38 PM   #21
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Despite what people think, oil has a shelf life. That's why they put a Mileage and a date on your oil change sticker... If it sits in an engine it can actually start to break down after a while
They do this as a scare tactic for your business. The manufacture says 6000 miles for most 3000 for me because I drive off-road a lot. Why are they telling my old man his Nissan Altima needs new oil every 3000 miles. Because he believes them and they make twice as much money off him. If I lived in the same city I'd do it for him so they couldn't rip him off.
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Old 01-19-2014, 08:45 PM   #22
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I have an old car (68) in good shape that I insure for summer months only and changed the oil last spring. I put about 600 miles on it last year and wonder what you guys would do this spring. Change the oil or leave it for another summer? Thanks for your thoughts
I have a 69 chevelle that I only drive about 100
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Old 01-19-2014, 08:47 PM   #23
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I have a 69 chevelle that I only drive about 100
Want to sell it lol
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Old 01-19-2014, 08:47 PM   #24
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I have an old car (68) in good shape that I insure for summer months only and changed the oil last spring. I put about 600 miles on it last year and wonder what you guys would do this spring. Change the oil or leave it for another summer? Thanks for your thoughts
I have a 69 chevelle that I only drive about 100 miles per year. I change the oil every spring. Change the oil. No reason not to.
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Old 01-19-2014, 08:49 PM   #25
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Want to sell it lol
Selling it spring of 2015 when I escape the northeastern US and get back to Cali
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Old 01-19-2014, 08:51 PM   #26
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I have a 69 chevelle that I only drive about 100 miles per year. I change the oil every spring. Change the oil. No reason not to.
I would love that car btw! The reason not to would be there is nothing wrong with the oil and waste/environment. That said I would probably do it on that car just to spend time with it.
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Old 01-27-2014, 06:01 AM   #27
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Engine oil and water can not mix.....ever. What you are seeing is an emulsion much of which I think is the result of stabilizers used in the oil.
The emulsion is WATER in the oil. Quite different from "not mixing".

Get water in your diff, same thing too....you know, from jeepin with the stock breathers.

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