Changing oil frequency?
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New User
Joined: Sep 2021
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Changing oil frequency?
Probably like a lot of you guys out there, our engine oil expires based on time way before we use up its life in miles. I find myself feeling like its stupid to change oil on a vehicle with only 120 miles on it but it's been a couple of years or more. The oil drains out looking awful good to be replaced. So what do you guys think? Does oil go bad just sitting in the crankcase? Valvoline or somebody will tell you 6 months or 6000 miles or whatever. I also have this issue with my tractor, ATV, snow blowers, etc etc.
Best Regards,
Jim Smith
Best Regards,
Jim Smith
Fleet Mechanic
Joined: Jun 2020
Posts: 1,907
Likes: 763
From: Hillsborough NJ
good discussion.
I’ve had my 48 a bit over a year, changed the oil twice so far. When I bought it the oil was black so I immediately changed it. After a few months it was black again even though I’d only driven a few hundred miles. I’m going to change it again soon, but only because I pulled the intake manifold and cleaned the sludge out. I’m sure some of the degreaser and brake cleaner I used is in the pan.
I’ve had my 48 a bit over a year, changed the oil twice so far. When I bought it the oil was black so I immediately changed it. After a few months it was black again even though I’d only driven a few hundred miles. I’m going to change it again soon, but only because I pulled the intake manifold and cleaned the sludge out. I’m sure some of the degreaser and brake cleaner I used is in the pan.
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5th Wheeling
Joined: Dec 2020
Posts: 42
Likes: 6
From: TN
Not all oils are created equally. If your running a vintage engine, be sure it has enough zinc to protect the cam and lifter. Most oils made for new cars do not.
As far as how long, that will depend on how the vehicle is stored and what type of oil your using. Environmental conditions like high humidity and sub freezing temps will shorten the life of engine oil.
As far as how long, that will depend on how the vehicle is stored and what type of oil your using. Environmental conditions like high humidity and sub freezing temps will shorten the life of engine oil.
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Although I need to change the filter soon.
Parts Nerd Extraordinaire
Joined: Sep 2010
Posts: 4,369
Likes: 1,786
From: Western NY
While you likely stated that tongue in cheek, you seriously would want to actually change the oil to remove the suspended contaminants within.
Lead Driver
Joined: Jul 2003
Posts: 9,368
Likes: 1,727
From: AKRON ohio
I bought this car a few months ago and The last time this car had an oil change was 9-9-00 when I changed it only had 1200 mile on that 21 year old oil. Honestly it looked good. I'm sure it had contaminants in it though
Fleet Mechanic
Joined: Mar 2005
Posts: 1,462
Likes: 185
From: Dedham, MA
Ooooh! Watchu got there? Fairmont? Granada? Fairlane?
But, despite how it "looks", oil should definitely be refreshed more frequently than every 21 years
I think most of do a lot of shorter trips in our older trucks, and our oil filter systems on the old flatheads (if it even has one) is not the best, so changing it frequently just seems like a no-brainer to me.
The worse part for me is that dang drain plug gasket. If you have the larger 1.5" drain plug, you know what I mean. I have to cut gaskets out of a thicker cometic gasket sheet every time I open it.
But, despite how it "looks", oil should definitely be refreshed more frequently than every 21 years
I think most of do a lot of shorter trips in our older trucks, and our oil filter systems on the old flatheads (if it even has one) is not the best, so changing it frequently just seems like a no-brainer to me.
The worse part for me is that dang drain plug gasket. If you have the larger 1.5" drain plug, you know what I mean. I have to cut gaskets out of a thicker cometic gasket sheet every time I open it.
Lead Driver
Joined: Jul 2003
Posts: 9,368
Likes: 1,727
From: AKRON ohio
Ooooh! Watchu got there? Fairmont? Granada? Fairlane?
But, despite how it "looks", oil should definitely be refreshed more frequently than every 21 years
I think most of do a lot of shorter trips in our older trucks, and our oil filter systems on the old flatheads (if it even has one) is not the best, so changing it frequently just seems like a no-brainer to me.
The worse part for me is that dang drain plug gasket. If you have the larger 1.5" drain plug, you know what I mean. I have to cut gaskets out of a thicker cometic gasket sheet every time I open it.
But, despite how it "looks", oil should definitely be refreshed more frequently than every 21 years
I think most of do a lot of shorter trips in our older trucks, and our oil filter systems on the old flatheads (if it even has one) is not the best, so changing it frequently just seems like a no-brainer to me.
The worse part for me is that dang drain plug gasket. If you have the larger 1.5" drain plug, you know what I mean. I have to cut gaskets out of a thicker cometic gasket sheet every time I open it.
its really clean. Drives and runs like a new car
