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post #21 of 169 (permalink) Old 12-15-2003, 10:33 PM Thread Starter
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Reading Topic: Reading Topic: Mazda6 UOA's

http://theoildrop.server101.com/ubb/ultima...ic;f=3;t=001100

Here's some bobistheoilguy lovin. They seem to think the wear #'s are fantastic.





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post #22 of 169 (permalink) Old 12-16-2003, 09:41 PM
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Replying to Topic 'Mazda6 UOA's'

what do you think about Amsoil 5-20 XL7500series?
I realy liked it on my 2002 Ford Focus.

I think Amsoil makes just as good synthetic as it gets.
M1 0-20 looks really impressive based on your UOA's but you are in a cold climate.
Here is Florida it rarely drops to 40F and temps are usally between 60 - 90F year around so I think 5-20 is a better match for my climate than M1 0-20.
What oils are dealers using, Motorcfaft 5-20 - blend?

Any thoughts?

Also I did notice that many of you did switch to Synthetic at 1K miles, I think it may take you 15K miles or more to fully break in you engines on synthetic.
Almost everybody are telling me to fully break in the engine to around 7.5 - 10K miles and than switch to Synthetic.
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post #23 of 169 (permalink) Old 12-17-2003, 06:43 AM Thread Starter
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Reading Topic: Reading Topic: Mazda6 UOA's

Climate here varied from 88F-20F during that drain interval, including extreme duty cycles. (I basically raced the car).

It routinely gets to 100F+ in Maryland during the summer...I wouldn't call it cool by any means :).

Amsoil synthetic is very good. If you do use it, please considering doing a UOA on your second change with it. I'm curious as to the results, as I'm sure many others are.

Dealers are using Motorcraft 5w-20 Semi-Synthetic...if their following factory spec. Its already been shown though, that some dealers put in whatever crude oil they have laying around (usually 10w-30) with a poor grade fram filter.

Stock filter (good quality) is a Motorcraft FL-820S (On the V6).

Visit http://www.bobistheoilguy.com on professional opinions on engine breakin.

Many switch to synthetic at their second oil change (which is usually 500-1000 miles on the engine).

If anything, synthetic would allow for a more "gradual" wear in after the inital is done, smoothing the engine out.

But don't listen to me, read for yourself and do some research.

The sooner you switch to synthetic (after making sure the engine/drivetrain is fine..aka manufacturer break-in by most standards) the sooner you get the added protection.

For transaxle fluid changes, its usually around 5k miles to switch.





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post #24 of 169 (permalink) Old 12-21-2003, 01:44 AM
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Reading Topic: Mazda6 UOA's

whats been the coloring of the used oil?
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post #25 of 169 (permalink) Old 12-21-2003, 01:59 AM
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Reading Topic: Reading Topic: Mazda6 UOA's

Dark brown through black, but that in itself means almost nothing. Within 1000 miles or so, oil will change color due to oxidation (or something). Darker oil does not necessarily mean more-overworked or less-successful-at-its-job oil!

-ashu


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Wheels, tires, fluids and roof-mounted bike/ski rack. That's enough mods for me!
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post #26 of 169 (permalink) Old 12-21-2003, 03:47 AM
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Reading Topic: Reading Topic: Mazda6 UOA's

Greg that UOA kicks ass!! I'm changing to Mobile 1 0w-20 when I get back from NY.
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post #27 of 169 (permalink) Old 12-21-2003, 09:43 AM Thread Starter
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Reading Topic: Reading Topic: Mazda6 UOA's

Oil smell and oil color are not indicated of engine wear, or longevity of the oil.

There is only one way to know if your oil is...

1) Lasting the extent of your oil changes.
2) Not filling up with debris.
3) Your oil filter is working.
4) There isn't antifreeze, fuel, or other containments in it.

With a UOA.

http://www.blackstone-labs.com for a free test kit.

Smell and color are akin to waving a wand at the car, and saying its time to change the oil.





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post #28 of 169 (permalink) Old 12-21-2003, 09:55 PM
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Replying to Topic 'Mazda6 UOA's'

hey crossbow thanks for that link I will definitely use it on my P5's Amsoil 5-30 and M6 with what ever brand of oil I will decide to use.
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post #29 of 169 (permalink) Old 12-22-2003, 12:11 AM
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Reading Topic: Reading Topic: Mazda6 UOA's

so its a consensus 0-20 mobil1 is better than the 5-30 for our cars?
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post #30 of 169 (permalink) Old 12-22-2003, 09:17 AM Thread Starter
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Reading Topic: Reading Topic: Mazda6 UOA's

Until someone does another 5w-30 UOA, or g-cubed reports with his second 0w-20 UOA....yes.

Can't say for certain till we get the next batch of UOA's.





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