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Old 04-16-2011, 06:20 AM
 
Location: South Jersey
7,780 posts, read 17,792,647 times
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Quote:
Originally Posted by jambo101 View Post
My idea of the life of a car if run to the end would be closer to 300+K,
Oil changes if synthetic and done by someone else usually run $40-$60
Mere pennies? i think not.Oil changes at 3K?total waste of money and resources unless the vehicle is run in extreme conditions..

More Than You Ever Wanted to Know ABout Motor Oil
you can attempt to justify your 'cheapness' any way you wish but the fact remains, oil changes are extremely inexpensive ways to assure longevity.
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Old 04-16-2011, 06:24 AM
 
Location: South Jersey
7,780 posts, read 17,792,647 times
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Quote:
Originally Posted by boomvang View Post
I do have to smile at all the "experts" who advocate more frequent oil changes than the manufacturers recommend. Do you think that they want to risk getting a reputation for short lived engine life just so that they can tout longer intervals between changes? What possible advantage does this give a car manufacturer? Added bucks for the dealers? I don't see that. Sure, back in the day 3000 mile changes were recommended and advised, but times and metallurgy's change, as well as oil formulations. Go with the manual and you won't go wrong as well as saving a little money and wear and tear on the planet as well.
the advantage is to win customers with less maintenance required. Everyone loves cars where the maintenance is less..Why do you think there are manufacture who give customers free maintenance for the life of a car(or for a certain period) Its a natural human behavior with our busy lives to do less with more.. I worked in the automotive industry, am an Engineer and an a member of SAE, so yes you can call me an expert
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Old 04-16-2011, 06:27 AM
 
33,149 posts, read 39,115,002 times
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So in actuality i'll be changing oil 30 times to get to 300K,at a conservative estimate of $50 per synthetic oil change i'm looking at $1500.
While those that want to waste money on 3000 mile oil changes will change their oil 60+ times more than i will in the life of a 300K car for a total of an extra $3K in oil change costs in the mistaken belief that by somehow tripling your oil change intervals its going to somehow make your car last longer. Makes no sense to me
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Old 04-16-2011, 11:08 AM
 
Location: Eastern NC
18,100 posts, read 16,638,539 times
Reputation: 15949
Personally, I would go with the manufactorer on the first oil change, not what the so called experts on here say. After that, your discretion. I change it at 3k to 4k mile or every 6 months which ever comes first. And I use dino oil. Never had a problem with the engine because of oil changes in over 30 years of driving.
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Old 04-16-2011, 11:17 AM
 
48,519 posts, read 81,063,674 times
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Definitely follow the manufacturwers recommendation;plain and simple.
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Old 04-16-2011, 11:34 AM
 
Location: Denver
1,788 posts, read 1,873,262 times
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Quote:
Originally Posted by 00molavi View Post
My brand new CRV says the oil from the factory is designed for break in and to leave it in until 10K, or the life indicator says 15% or one year. Apparently the oil has a high fraction of molybdenum, not sure why it helps, check the forum at the bobistheoilguy. I asked the service manager and she said to bring it in at 7.5K. The oil specified is going to be synthetic anyways because it calls for 0w-20.
Molybdenum is a really neat metal that makes oil more slippery. I may also guess that it adheres to dings and helps strengthen the ding.

Moly cost about $18/lb. I wouldn't flush it before its time.
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Old 04-16-2011, 06:47 PM
 
Location: San Francisco, CA
12,852 posts, read 10,210,247 times
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Quote:
Originally Posted by johna01374 View Post
It's pretty important to change the oil after the first 1000 miles. then every 3000 miles after that. If yyou choose to go to synthetic oil you can change it every 5000 miles but I wouldn't make that switch until the motor has at least 5000 miles on it.
The technically correct answer depends on the kind of driving you tend to do, particularly the split between highway / city driving. But modern cars are can oftentimes go for much more than 3K miles between oil changes. My car manual says about 7.5K.

3K / 3 months is an old rule from long ago days when cars were much less efficient. The oil companies keep saying it because they want to keep fleecing you like a sheep. They'd change your oil twice a day if you'd let them.
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Old 04-16-2011, 06:53 PM
 
Location: Somewhere in Kentucky
3,790 posts, read 7,566,181 times
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I still see oil change places with their "Oil Needs to be Changed Every 3,000 Miles" banners on the outside of the shops. I've heard of people changing it out at 1,500 miles. Now that is extreme.
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Old 04-16-2011, 07:04 PM
 
Location: San Francisco, CA
12,852 posts, read 10,210,247 times
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Quote:
Originally Posted by kentuckydad95 View Post
I still see oil change places with their "Oil Needs to be Changed Every 3,000 Miles" banners on the outside of the shops. I've heard of people changing it out at 1,500 miles. Now that is extreme.
Of course. They'll also just take your money if you drive by and drop a bag off.
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Old 04-16-2011, 07:06 PM
 
Location: Somewhere in Kentucky
3,790 posts, read 7,566,181 times
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Quote:
Originally Posted by ambient View Post
Of course. They'll also just take your money if you drive by and drop a bag off.
Agree. I haven't been to one of those places in a dogs age.
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