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#1920641 - 06/12/10 12:59 AM Which oil(s) show the worst UAO's?
Warner Offline


Registered: 10/05/09
Posts: 15
Loc: Oregon
Also what oils have been empirically proven to cause any kind of engine problems. I'm interested in oils that are allowing extra wear within the proper OCI. I just put Supertech diesel oil in my Honda Magna as it appears the diesel oils are actually superior to the car oils as far as wear protection goes. Is this correct? Thanks for any help.

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#1920691 - 06/12/10 06:07 AM Re: Which oil(s) show the worst UAO's? [Re: Warner]
firefighter Offline


Registered: 09/30/09
Posts: 105
Loc: Pennsylvania
Your honda Magna? Isn't that a motorcycle, it should be cause I have one. I don't think you would want to put auto/diesel oil in a motorcycle. With the wet clutch they do not like all the anti-friction additives in auto oils, tends to make the clutch slip.

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#1920834 - 06/12/10 10:22 AM Re: Which oil(s) show the worst UAO's? [Re: firefighter]
Warner Offline


Registered: 10/05/09
Posts: 15
Loc: Oregon
There are numerous people using diesel oil in their motorcycles. There are no friction modifiers in the diesel oil and much of auto oil so the clutches work fine. Try going to the MOOT forum. It's Magna Owner's of Texas, probably the largest Magna forum. The favorite diesel oil in motorcycles has been the Shell Rotella. Do a Google and you may change your mind.

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#1921244 - 06/12/10 06:38 PM Re: Which oil(s) show the worst UAO's? [Re: Warner]
firefighter Offline


Registered: 09/30/09
Posts: 105
Loc: Pennsylvania
I did do a little research, I should have did it before I posted though. I see people are using regular oil for there bikes. What is the deal with the motorcycle specific oil then? I just always ran hondas 10w-40. well you learn something new every day.

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#1921301 - 06/12/10 08:12 PM Re: Which oil(s) show the worst UAO's? [Re: firefighter]
Scooter_man Offline


Registered: 03/24/10
Posts: 294
Loc: Missouri, USA
Originally Posted By: firefighter
What is the deal with the motorcycle specific oil then?


Simply put - a way for Honda and their dealerships to make more money off of you. Many on here (myself included) have been using HDEO's for a while now. Shell's Rotella blends are now certified for JASO-MA (motorcycle cert. just like Honda oil) although it's been successfully used in bikes (with wet clutches) for many years before the certification.

Plus, with the requirements needed for the diesel certifications, you can be assured that you're putting one tough oil in your machine that will not be as affected by RPM's and a shared sump - as compared to a regular oil.

HDEO = Heavy Duty Engine Oil. They are also rated (SM now) for gasoline engines as well, so no worries there.

For me, 3 bux a qt. vs dealership prices - Rotella T 15w40 works fine for me. I've tried many others and keep coming back to it - might as well stay with it. BTW, Delvac and Delo are great HEDO's also - as well as the CI-4 version of SuperTech 15w40.

Back to your original question, Sunrah has tested many oils under extreme conditions. Hopefully he will chime in and give you more input on this one.


Rob


Edited by Scooter_man (06/12/10 08:14 PM)
_________________________
Rob

Member of the 100+ mpg Club!

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#1921324 - 06/12/10 08:32 PM Re: Which oil(s) show the worst UAO's? [Re: Warner]
firefighter Offline


Registered: 09/30/09
Posts: 105
Loc: Pennsylvania
Thank you for the info, I don't want to hi-jack Warners' original post though with my questions, but thanks again for all the info

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#1921470 - 06/12/10 11:33 PM Re: Which oil(s) show the worst UAO's? [Re: firefighter]
whitesands Offline


Registered: 05/01/07
Posts: 345
Loc: Texas
Lots of good info on the boards so stick around as there's lots of threads with some interesting stuff.

Lots of folks think of diesel oil in the same way as diesel fuel which you wouldn't want to put in a gasoline engine...But with the oil it is entirely different...While you can call them diesel oils, most folks around here prefer to refer to them as HDEO's (heavy duty engine oil) because they are also gasoline engine certified, so HDEO is the preferred term because they can be used across the board.
I've used mostly Rotella 15W40 for nearly 19,000 miles in my Bandit 1250...I've also used Delvac with good results..Here's a fellow that's used nothing but Rotella 15W40 for 100,000 miles in his air cooled bandit 1200 and he's on the original engine, clutch, original everything...He hit 100,000 miles on it last year so he probably has quite a bit more on it by now....
http://www.twtex.com/forums/showthread.php?t=43581

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#1922557 - 06/14/10 08:50 AM Re: Which oil(s) show the worst UAO's? [Re: whitesands]
sunruh Offline


Registered: 06/28/05
Posts: 1581
Loc: Cedar Park, TX
Warner,
to "cause" engine issues?

wow that is a question that cant really be answered.
why?
because it depends on the owner.
an oil could work just fine in the same motor but the owners "use" of it could cause an issue.

i think if you pulled out an old paper can of pennzoil 10w30 with the parifin base stock and ran it and never let the motor get hot it would sludge up like it did in our '66 F100. had to use a putty knife to cut the sludge off the insides when we tore it down.

there are quite a few oils i do not like because of how fast they break down. but that does not imply they will cause catostrophic failure in the short term.

even the worst HDEO ive tested is better than any 10w40 or 10w30 that ive also tested.

consider just where a lot of the HDEO goes into:
$100,000 - $300,000 JD combinds and tractors (other brands as
well) run at max throttle from before dawn to after dusk. when you eat, thank HDEO.
how many thousands of 18wheelers criss-crossing the country to bring that food and goods to stores? all in $200,000+ rigs. run as many hours as their log books will let them. each day.

the USA functions as a whole because of HDEOs. when your dinner is trusted to HDEO, why not your bike?
_________________________
motorcycle oil myth buster

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#1923210 - 06/14/10 09:00 PM Re: Which oil(s) show the worst UAO's? [Re: sunruh]
Warner Offline


Registered: 10/05/09
Posts: 15
Loc: Oregon
Thanks for the info. My goal had been to find if there is anyone ever was able to prove that using a particular oil caused damage to their engine. There's so many people claiming this and that I wanted to confirm that nobody has proof or even very good evidence that using a particular oil caused damage to their engine.

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#1923225 - 06/14/10 09:15 PM Re: Which oil(s) show the worst UAO's? [Re: Warner]
Mackelroy Offline


Registered: 12/03/04
Posts: 719
Loc: Florida /Texas
You mean like sludging and Plaque?


That's probably the Key thing between one oil and another, for some reason motorcycles do not seem to have sludging issues, cars tend to be more supseptible to it.

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#1923360 - 06/15/10 12:31 AM Re: Which oil(s) show the worst UAO's? [Re: Warner]
whitesands Offline


Registered: 05/01/07
Posts: 345
Loc: Texas
repost

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#1948969 - 07/10/10 02:19 PM Re: Which oil(s) show the worst UAO's? [Re: whitesands]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 8353
Loc: N.H, U.S.A.
You may find you are giving up a LOT of power by not running the thinnest real synthetic you can get away with instead of conventional HDEO - this in a H-o-H cooled engine ... V-twin A/C cruisers are another issue altogether.
_________________________
2012 Honda Fit Sport 5MT, OC#5 30kmi- PP 5W20SN+Honda PLM A02 Filter
2011 Forester 5MT 5Door, OC#7 64Kmi-PU 5W20SN+TokyoRoki 130 Filter

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#1951499 - 07/13/10 06:41 AM Re: Which oil(s) show the worst UAO's? [Re: ARCOgraphite]
arkainzeye Offline


Registered: 06/11/03
Posts: 239
Loc: pittsburgh, pa
Are there really any bad oils out there in this day and age? isnt there just better and best?
_________________________
2011 Victory Vision
2005 Honda Accord Ex-L v6

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#1951890 - 07/13/10 01:52 PM Re: Which oil(s) show the worst UAO's? [Re: arkainzeye]
sunruh Offline


Registered: 06/28/05
Posts: 1581
Loc: Cedar Park, TX
actually at the speed GTX turns into water, i would put it into the "bad" group.

what utterly fails me is how Castrol can have such a fantastic product in Syntec 0w30 and a complete waste of money in GTX 20w50 and 10w40. not to mention that their Motorcycle Specific really should be reserved for lawnmowers that are not new.
_________________________
motorcycle oil myth buster

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#1956271 - 07/17/10 08:13 AM Re: Which oil(s) show the worst UAO's? [Re: sunruh]
BBDartCA Offline


Registered: 04/04/10
Posts: 439
Loc: Washington State
Originally Posted By: sunruh
.

what utterly fails me is how Castrol can have such a fantastic product in Syntec 0w30 and a complete waste of money in GTX 20w50 and 10w40. not to mention that their Motorcycle Specific really should be reserved for lawnmowers that are not new.


+1

Castol products for MC are a mess. This 4t stuff is junk IMO - clay filtered Group 1 base stocks. Its what you will find for four dollars for a china mart. Says on the bottle "not for sale in Canada." Beleive its the same garbage as the Quaker State MC oil.




The Actevo and RS are very good products. Found mostly at motorcycle shops. Actevo goes for about 6 bucks on sale. Made in Italy I think. Litre bottles. They have tottaly different products in other countries. Also have very high-end race-only MC oils. I'll stick with Rotella ...



http://www.castrol.com/castrol/sectiongenericarticle.do?categoryId=9021689&contentId=7040510
_________________________
Former lube industry insider...

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