This is not an oil specific question..

Tadpole · 08-03-2014, 03:32 PM

Could be climate and different type of oil used. 5K is my standard change interval with synthetic at the dealership

VCuomo · 08-03-2014, 08:43 PM

Quote:

Originally Posted by DLSTR

... If you in fact change early you are doing more harm and causing more wear as the additive package that protects has not had enough time to bind sufficiently to bearings and other surfaces. ...

With all due respect to your friend, I don't believe this is correct. If you change your oil with oil that has the same additive package, you'll still get the same protection (it'll just come from cleaner oil).

Everything else he said - True.

----------------------------------------------------------------------------------------------

My car sees only street use, about 70% freeway and 30% street use in flowing (not stop-and-go) traffic, and in 70 - 95 degree ambient temperature. Given those operating conditions, 3K oil changes would be downright silly. I've been changing mine at 5K intervals with premium full synthetic oil and oil filters, and I'm sure I could easily and safely take it to 7.5K mile intervals (but there's no reason to, other than saving a little money, and it really is "little money" in the big scheme of things).

KetanLadd · 08-03-2014, 11:55 PM

Nissan here make you service your car every 5000 km so 3100 miles! Annoys me, but then I guess we are always running the engine at very high temps, especially right now when the air temperature is 43 Celsius.

2011 Nismo#91 · 08-04-2014, 09:59 AM

Alot of things are done not because they are the best thing for you individually, Oil grades in the US have constantly been dropping (10W-40 to 0W-20 or lower) why? Because its a simple way to improve emissions across the board along with other improvements, it's not for longevity. Using less oil for the entire EU will reduce consumption, slow down fuel price increases, and pollution.
In the end Oil and engines have improved to some extent and the 3k or 3 months doesn't apply, not sure it ever did, but some cars, like BMW have had issues with extreme oil change intervals.

kenchan · 08-04-2014, 10:01 AM

pretty soon engines will only use water.

ok, maybe not.

VCuomo · 08-04-2014, 02:42 PM

Quote:

Originally Posted by KetanLadd

Nissan here make you service your car every 5000 km so 3100 miles! Annoys me, but then I guess we are always running the engine at very high temps, especially right now when the air temperature is 43 Celsius.

Yep (43C = 109F), that's hot.

IDZRVIT · 08-04-2014, 05:25 PM

No worries lads. I just read on the internet that engines will now use only water for fuel and lubrication.

08-03-2014, 03:32 PM	#16 (permalink)
Tadpole A True Z Fanatic Join Date: Sep 2013 Location: Lockhart, TX Posts: 1,082 Drives: 13 Nissan 370Z A7 Rep Power: 17	Could be climate and different type of oil used. 5K is my standard change interval with synthetic at the dealership __________________ Takeda TR3009P Short Ram Intakes, Custom Dual Exhaust, X-Piped with 18" Resonators & TopSpeed Axle Backs. EVO-R Led Third Foglight,

08-04-2014, 05:25 PM	#22 (permalink)
IDZRVIT A True Z Fanatic Join Date: May 2009 Location: Halifax Posts: 1,659 Drives: '13 CTS-V, '76 Vette Rep Power: 27	No worries lads. I just read on the internet that engines will now use only water for fuel and lubrication. __________________ "America.... still builds rockets!" Vette: 355 cid, 400 rwhp '13 CTS-V Coupe: 6.2L LSA, 556HP

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08-03-2014, 11:55 PM	#18 (permalink)
KetanLadd Base Member Join Date: Sep 2013 Location: UAE, Dubai Posts: 23 Drives: 370Z 2013 GT AT Rep Power: 11	Nissan here make you service your car every 5000 km so 3100 miles! Annoys me, but then I guess we are always running the engine at very high temps, especially right now when the air temperature is 43 Celsius.

08-04-2014, 09:59 AM	#19 (permalink)
2011 Nismo#91 A True Z Fanatic Join Date: Mar 2011 Location: NJ Posts: 2,381 Drives: slowly Rep Power: 33858	Alot of things are done not because they are the best thing for you individually, Oil grades in the US have constantly been dropping (10W-40 to 0W-20 or lower) why? Because its a simple way to improve emissions across the board along with other improvements, it's not for longevity. Using less oil for the entire EU will reduce consumption, slow down fuel price increases, and pollution. In the end Oil and engines have improved to some extent and the 3k or 3 months doesn't apply, not sure it ever did, but some cars, like BMW have had issues with extreme oil change intervals.

08-04-2014, 10:01 AM	#20 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141520	pretty soon engines will only use water. ok, maybe not.