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Synthetic Oil- Weight and interval
Posted 04 September 2003 - 08:49 AM
1. How long a change interval do you think is safe--car is driven mostly on highway with no stop and go.
2. Does anyone have experience or advice on the 0-40W weight for winter use? While car is garaged, Cold is extreme in Minnesota
Posted 04 September 2003 - 10:37 AM
I use Mobil-1 15W-50 year round. And up here, it also gets chilly.:bday: I still change it every 5000 km or so.
Aren't synthetics great!
Posted 04 September 2003 - 11:24 AM
With Mobil 1 I was changing the oil every 3-4k miles. Now with Amsoil I am changing the oil about every 3 months, or about every 7500 miles. I could go longer, but I think doing so would require oil analysis, and that is almost as much as changing the oil.
The engine seems much happier with the Amsoil. The engine is quieter at startup. I can run it for 3 or 4 thousand miles before the color darkens noticably.
Regardless of what oil you choose, use a quality oil filter. I really like the Amsoil filters, but I think I should find something cheaper, they are about $11 each.
15w-50 year round! Wow!
Posted 04 September 2003 - 12:37 PM
So, I guess I live in a zone 3a climate. Anyway, the pour temp on 15W-50 (-45 C) is still lower than dino-based 0W. I prefer to have a little viscosity to my oil. Mobil-1 10W-30 always seemed to have the consistancy of water while draining it. Any oil with 'energy conserving' on it I don't touch. [paranoia mode off]
I've never had sluggish cranking while running 15W-50 and I don't even have a block heater in my sub. YMMV
Posted 04 September 2003 - 03:18 PM
5w-50 in Danish Spring/summer, temps up to +33 celcius
0w-40 in winter, where the temp regularly goes below freezing.
There is a tiny, but noticeable difference in start up: 5w sounds a bit strained on frosty mornings. As soon as I swap to 0w she starts as if it were a warm summer day!
6000 mile intervals, which equates to every three months. Car is nearing the 200,000 milestone
Also have Mobil's finest in the manual transmission
Posted 04 September 2003 - 06:35 PM
Posted 04 September 2003 - 08:41 PM
Posted 05 September 2003 - 01:16 AM
I don't doubt that there are even better quality filters out there, Amsoil included, but replacing an OE filter every three months is costly enough
I am sure Mobil 1 can last 6000 miles under the conditions that I subject it to, don't forget it's only in there for three months, and it's only cold-started once a day since I am on the move all day.
I am however VERY sceptical of so called modern car's extended service intervals. Honestly, running the same oil for 20,000 miles??
Posted 05 September 2003 - 05:47 AM
I feel pretty comfortable with 7500 miles intervals.
I am totally sold on synthetic. When I had the engine apart for head gaskets it was clean as a whistle with very little wear. I was running Mobil 1 at that point.
Posted 05 September 2003 - 07:50 PM
Some people are far more dumb than they need to be when it comes to oil. :madder:
Posted 05 September 2003 - 07:57 PM
17mm drain plug wrench (EJ251)
(K&N) HP 1004 oil filter (for EJ251) (up to you)
2,500 Miles or 3 months. (1,000 miles for me )
Just dont use pennzoil with their wax based oil. Mobil 1 is a great synthetic, when compared to castrol synthetic oil.
Oh, and that lil MMO (marvel mystery oil) experiment is a crock of crap, the difference people are feeling is only their oil being changed. Yes, your car will feel alot better after an oil change.
I miss anything???
Posted 10 September 2003 - 08:21 PM
Posted 10 September 2003 - 08:30 PM
Posted 10 September 2003 - 09:35 PM
Posted 10 September 2003 - 11:59 PM
Posted 11 September 2003 - 01:24 AM
When I replace my oil at 6K miles, I cannot feel any difference in performance. If I laze about and leave til 7k miles there is a noticeable new urge after the oil change.
I reckon 6k miles is just right for me
Posted 12 September 2003 - 01:21 AM
Posted 12 September 2003 - 01:24 AM
Posted 12 September 2003 - 05:05 AM
Posted 12 September 2003 - 01:12 PM
Except maybe if they decided to exploit a reputation and make some extra money for themselves. :madder:
I still run M1..
Posted 13 September 2003 - 12:14 AM
Posted 13 September 2003 - 12:43 AM
As mentioned, 0w40 in winter - "tri-syn"
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