Oil change frequency
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Senior User
Joined: Nov 2007
Posts: 435
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From: Los Angeles, CA
Oil change frequency
How often should I change my oil?
My engine has about 150K miles on it and I only drive about 500 miles every three months.
The tag my mechanic puts on the windshield has a three thousand mile or three month expiry on it. Now I usually wait six months or a thousand miles.
I use 5-30W or 10-40W. Up until about 4 years ago the oil was still golden color at change time. Now it is deeper in color.
Am I waiting too long between changes nowadays?
My engine has about 150K miles on it and I only drive about 500 miles every three months.
The tag my mechanic puts on the windshield has a three thousand mile or three month expiry on it. Now I usually wait six months or a thousand miles.
I use 5-30W or 10-40W. Up until about 4 years ago the oil was still golden color at change time. Now it is deeper in color.
Am I waiting too long between changes nowadays?
Lead Driver
Joined: Nov 2002
Posts: 9,556
Likes: 43
From: Concord, NC
I've been changing the oil in my truck every 5000 miles. Since I bought my car, that has roughly corresponded to a year oil change interval on the truck. I think last year I only managed to get 4000 miles over the course of the year. As long as you drive long enough each time to get the oil to operating temperature to evaporate any moisture, I think it should be fine changing it once a year, or at the six month mark if that's what you are comfortable with.
Fleet Owner
Joined: Oct 2005
Posts: 20,786
Likes: 1,751
From: Kentucky
Once a year or 15,000 miles with Redline Oil. '92 F-350/5.8L w/150k, '04 Intrepid/3.5L w/125k, '94 Mustang GT/4.6L w/142k. Oil consumption has not changed on any of them over the years I have owned them.
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