|
General Metalworking - All aspects of working with metal.
|
|
|
|
|
Posted by spaco on March 5, 2008, 11:19 am
Please log in for more thread options
----Brought on by the recent post about oil filters:
I have been changing oil every 20,000 to 50,000 miles in my cars since
1975, using synthetic oil. I change filters with every oil change.
We have never had an oil pan or head off any car, nor has the gas
mileage gone south before we traded them in or moved them down the line
to relatives. The first car to get this treatment was a 1975 VW rabbit
(traded at 120,000) and the latest is a 1992 Nissan Sentra with 306,000
miles on it, still getting about 3500 miles to the quart of oil at present.
Cars treated this way:
1975 VW rabbit
1978 Plymouth Horizon
1980 Mitsubishi Sedan (bought used)
1983 Nissan Stanza
1987 Nissan Stanza
1992 Nissan Sentra
1993 Plymouth Voyager (bought used)
Why should I not continue this practice?
Pete Stanaitis
-----------------
|
|
Posted by Carl Byrns on March 5, 2008, 12:14 pm
Please log in for more thread options
> ----Brought on by the recent post about oil filters:
>
>
> I have been changing oil every 20,000 to 50,000 miles in my cars since
> 1975, using synthetic oil. I change filters with every oil change.
> We have never had an oil pan or head off any car, nor has the gas
> mileage gone south before we traded them in or moved them down the line to
> relatives. The first car to get this treatment was a 1975 VW rabbit
> (traded at 120,000) and the latest is a 1992 Nissan Sentra with 306,000
> miles on it, still getting about 3500 miles to the quart of oil at
> present.
> Cars treated this way:
> 1975 VW rabbit
> 1978 Plymouth Horizon
> 1980 Mitsubishi Sedan (bought used)
> 1983 Nissan Stanza
> 1987 Nissan Stanza
> 1992 Nissan Sentra
> 1993 Plymouth Voyager (bought used)
>
> Why should I not continue this practice?
If you believe you have superior engineering insght- better than the folks
who designed and tested the engine and developed the oil-change interval-
then go for it. It is your car and your money.
But I'll bet you didn't mention the lack of service went you traded in, did
you?
-Carl
|
|
Posted by Louis Ohland on March 5, 2008, 12:31 pm
Please log in for more thread options I had a 95 F-150, and it used no oil, even at 120k. I just changed oil
every 3,000. Only time it "used" oil was when the oil galley seal leaked
on the straight six block.
My 2001 Focus is tight as well, and I am at 92K.
I used to use synthetics, but they don't seem to be any better for
engine oil. Perhaps regular changes every 3,000 to 6,000 miles will do
everything the synthetics will do, and at less than half (or a quarter)
of the cost.
>> I have been changing oil every 20,000 to 50,000 miles in my cars since
>> 1975, using synthetic oil. I change filters with every oil change.
>> We have never had an oil pan or head off any car, nor has the gas
>> mileage gone south before we traded them in or moved them down the line to
>> relatives. The first car to get this treatment was a 1975 VW rabbit
>> (traded at 120,000) and the latest is a 1992 Nissan Sentra with 306,000
>> miles on it, still getting about 3500 miles to the quart of oil at
>> present.
|
|
Posted by Louis Ohland on March 5, 2008, 12:33 pm
Please log in for more thread options I had a 95 F-150, and it used no oil, even at 120k. I just changed oil
every 3,000. Only time it "used" oil was when the oil galley seal leaked
on the straight six block.
My 2001 Focus is tight as well, and I am at 92K.
I used to use synthetics, but they don't seem to be any better for
engine oil. Perhaps regular changes every 3,000 to 6,000 miles will do
everything the synthetics will do, and at less than half (or a quarter)
of the cost.
Carl Byrns wrote:
>> I have been changing oil every 20,000 to 50,000 miles in my cars since
>> 1975, using synthetic oil. I change filters with every oil change.
>> We have never had an oil pan or head off any car, nor has the gas
>> mileage gone south before we traded them in or moved them down the line to
>> relatives. The first car to get this treatment was a 1975 VW rabbit
>> (traded at 120,000) and the latest is a 1992 Nissan Sentra with 306,000
>> miles on it, still getting about 3500 miles to the quart of oil at
>> present.
|
|
Posted by spaco on March 5, 2008, 3:27 pm
Please log in for more thread options
Well, since you ask, what makes you think that the 3000 mile interval
was any more than a CYA effort on the part of the mfr? I firmly
believe that THEY realize that it's easier to get the average driver to
CHANGE the oil than to check it and add. They have to cover themselves
for the worst case driver and for the ones that make the shortest trips,
all with one number.
Did you note that, just recently most major mfrs doubled the intervals?
Did you know that at least one mfr (BMW) now goes by "key clicks"
instead of miles to notify the driver when its time to change?
Here's a question of my own:
How many of you who DO cahnge regularly keep careful track of the
oil consumption between those 3000 mile intervals? The people I know
who change that frequently simply pull the plug and haven't the
slightest idea how the engine is doing anyway.
When I trade the car in, it is so old that it's not an issue, even
though I always keep them in excellent mechanical condition. But, my
whole point is: what can you point to that says there's anything wrong
with my oil change interval, other than siting the common thought that
"it oughta be done more often"? What's wrong with a 300,000 mile
engine that still works well? Do you get 5000,000 miles with 5000
miles per quart BECAUSE of your 3000 mile interval? If you are like
most drivers, how would you know?
Pete Stanaitis
-----------------
Carl Byrns wrote:
> If you believe you have superior engineering insght- better than the folks
> who designed and tested the engine and developed the oil-change interval-
> then go for it. It is your car and your money.
> But I'll bet you didn't mention the lack of service went you traded in, did
> you?
>
> -Carl
>
>
|
| Similar Threads | Posted | | converting auto engine to air compressor | July 18, 2006, 5:28 pm |
| the donations, tutors, and intervals are all mature and unaware | August 13, 2007, 1:16 am |
| OT...auto A/C repair | August 4, 2007, 2:26 pm |
| OT: Auto body NG? | November 6, 2007, 10:27 pm |
| Re: In ground auto-lift | August 15, 2006, 6:22 pm |
| Re: In ground auto-lift | August 15, 2006, 10:11 pm |
| Re: In ground auto-lift | August 15, 2006, 10:51 pm |
| Need Wedges For Auto Restoration | October 11, 2006, 5:42 pm |
| Re: In ground auto-lift | October 30, 2006, 7:53 am |
| OT - Auto Body Repair | November 6, 2006, 8:08 pm |
|
|
|
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML Sitemap
>
>
> I have been changing oil every 20,000 to 50,000 miles in my cars since
> 1975, using synthetic oil. I change filters with every oil change.
> We have never had an oil pan or head off any car, nor has the gas
> mileage gone south before we traded them in or moved them down the line to
> relatives. The first car to get this treatment was a 1975 VW rabbit
> (traded at 120,000) and the latest is a 1992 Nissan Sentra with 306,000
> miles on it, still getting about 3500 miles to the quart of oil at
> present.
> Cars treated this way:
> 1975 VW rabbit
> 1978 Plymouth Horizon
> 1980 Mitsubishi Sedan (bought used)
> 1983 Nissan Stanza
> 1987 Nissan Stanza
> 1992 Nissan Sentra
> 1993 Plymouth Voyager (bought used)
>
> Why should I not continue this practice?