WOW! I thought my sump was small as it takes 4 quarts with the filter. I would 2nd the recomendation on synthetic and 4000 miles changes then do an oil analysis. You can probably go more miles but an oil analysis will tell you how you are doing.
Oil sump size and OCI
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3 quarts? What vehicle/engine did you get? Sounds like a Sentra QG18de.
Stick with the severe maintenance plan and use the QR25 oil filter.
I wonder how much money Nissan is saving with puny filters and pathetic oil pan quantities.
In my driveway:
2000 3.3L Nissan Xterra---3.5 quarts ~60k miles
1991 3.0L Eagle Premier---6 quarts ~200k+ miles
Anyone wanna guess which one runs and sounds better?
Stick with the severe maintenance plan and use the QR25 oil filter.
I wonder how much money Nissan is saving with puny filters and pathetic oil pan quantities.
In my driveway:
2000 3.3L Nissan Xterra---3.5 quarts ~60k miles
1991 3.0L Eagle Premier---6 quarts ~200k+ miles
Anyone wanna guess which one runs and sounds better?
Well its a small sump-but its a small engine. Here is a post on another member's results with the 1.8 L .
http://theoildrop.server101.com/cgi/ultimatebb.cgi?ubb=get_topic;f=3;t=000194
I wouldn't have any problem going up to the maximum with the Mobil 1 10W-30. However an oil analysis I think would be prudent.
BTW here's a forum for the Sentra-I'm on there ad ADC100
http://theoildrop.server101.com/cgi/ultimatebb.cgi?ubb=get_topic;f=3;t=000194
I wouldn't have any problem going up to the maximum with the Mobil 1 10W-30. However an oil analysis I think would be prudent.
BTW here's a forum for the Sentra-I'm on there ad ADC100
Al,
It's time to use my oil change interval (OCI) formula ...
OCI = (C*)(average mpg)(sump size in qts)(cubic inches/Hp)
C* = 40 for a petroleum oil
C* = 80 for Mobil 1
(Note: C* is an empirically derived constant)
Let's see what we get for a baseline drain interval for a petroleum oil:
average mpg = 33 (est)
sump = 2.875 qts
cubic inches = 110
Hp = 120? (probably close)
OCI = (40)(33)(2.875)(110/120) = 3479 miles
With Mobil 1, you should be able to double that interval and go approx 7000 miles ....
[ April 01, 2003, 06:50 PM: Message edited by: TooSlick ]
It's time to use my oil change interval (OCI) formula ...
OCI = (C*)(average mpg)(sump size in qts)(cubic inches/Hp)
C* = 40 for a petroleum oil
C* = 80 for Mobil 1
(Note: C* is an empirically derived constant)
Let's see what we get for a baseline drain interval for a petroleum oil:
average mpg = 33 (est)
sump = 2.875 qts
cubic inches = 110
Hp = 120? (probably close)
OCI = (40)(33)(2.875)(110/120) = 3479 miles
With Mobil 1, you should be able to double that interval and go approx 7000 miles ....
[ April 01, 2003, 06:50 PM: Message edited by: TooSlick ]
I just bought a new car (03 Nissan) that requires 2 7/8 quarts when the oil AND filter are changed.
Nissan recommends 3750 for severe and 7500 for normal. I'm thinking of sticking closer to 3750 number because of the smaller oil capacity. Any thoughts?
I guess I should look on the bright side....3 quarts of M1 won't make an oil change that expensive!
I guess I should look on the bright side....3 quarts of M1 won't make an oil change that expensive!
Sounds like a plan, if you use a good synthetic. I'd change it more often, say every 2000 miles, if you run dino.
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