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Shutterbug said:
Are they equally well suited for my 1300C? What is thegoing price for these oils where you shop?
In my area, Castrol GPS is $8.49qt., Mobil MX4T is $9.99 qt.
Isn't the GPS a semi-synthetic?
I would spend the extra 6 for the full synthetic MX4T, or mail order some Amsoil for even less than the Castrol.
 

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DillDawg said:
Isn't the GPS a semi-synthetic?
I would spend the extra 6 for the full synthetic MX4T, or mail order some Amsoil for even less than the Castrol.
If you're looking for a high quality full synthetic oil, consider Mobil 1 MX4T or Castrol Syntec. Castrol GTX is a blend. Good oil, but not as good as a full synthetic.

Personally, I'd stay away from Amsoil though.
It's just not the same...
 

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********* said:
If you're looking for a high quality full synthetic oil, consider Mobil 1 MX4T or Castrol Syntec. Castrol GTX is a blend. Good oil, but not as good as a full synthetic.

Personally, I'd stay away from Amsoil though.
It's just not the same...
Not the same as what? Can you clarify that statement?
IMO - it is right up there or better than the MX4T....both group IV PAO oils.
Not sure what the syntech is - probably a group 3 dino oil. Isn't Castol the company that sued to have such hydrocracked dino oils classified as "Synthetic"? Hardly the "best" :icon_evil
 

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DillDawg said:
Not the same as what? Can you clarify that statement?
IMO - it is right up there or better than the MX4T....both group IV PAO oils.
Not sure what the syntech is - probably a group 3 dino oil. Isn't Castol the company that sued to have such hydrocracked dino oils classified as "Synthetic"? Hardly the "best" :icon_evil
Castrol Syntec is a full synthetic.
I didn't say it's the best. My oil of choice is Mobil 1 MX4T, not Castrol but I used Castrol for many years with positive results.
Look, I don't like Amsoil and have excellent reasons for my opinion but I have no intention of entering into a debate over it.
I'll continue to buy and recommend synthetics made by the large oil companies that have the budget to afford the research required to develop top oils and stay up on current technology. Everyone hawking Amsoil wants to talk it up so they can sell it but I'm not buying it,... literally. Because Amsoil makes anyone with 20 bucks a "dealer" doesn't make it good oil. That's my opinion and I'll stand by it. That's all I intend to say about it.
 

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********* said:
Castrol Syntec is a full synthetic.
Castrol Syntec is a group 3 oil, which, untill they sued to have it called "synthetic" - would have been classified as a dino oil. It is not near the quality of either Mobil 1 or Amsoil, which are true synthetic group IV oils.
I'll continue to buy and recommend synthetics made by the large oil companies that have the budget to afford the research required to develop top oils and stay up on current technology. Everyone hawking Amsoil wants to talk it up so they can sell it but I'm not buying it,... literally. Because Amsoil makes anyone with 20 bucks a "dealer" doesn't make it good oil. That's my opinion and I'll stand by it. That's all I intend to say about it.[/COLOR][/B]
You mean research like this?:

https://www.amsoil.com/lit/g2156.pdf

If mobil has some kind of comparison out there I would love to see it (or are they too busy passing out 400 million dollar retirement packages?)

As I've stated before, I have run both Mobil 1 MX4T and the Amsoil motorcycle oil and had them lab tested. Slight advantage to the Amsoil. Seems to be right in line with Amsoils report and have no reason to doubt it.
Just because Mobil is a huge company does not make it a better oil.
As for Amsoil - Use it or don't use it, I dont really care. Not really fair to the forum to claim that it's "just not the same" without any facts whatsoever.

BTW - I am not a dealer, nor have I ever been. Just a fellow rider who wants the best for his bike.
 

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********* said:
Ask any Amsoil dealer about their filters.
That's another story in itself.
Your money, your choice :)
O.K....but only if you ask Mobil about their grease - the stuff they use to pork the American public up the butt.
Your money - their retirement. :patriot:
 

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DillDawg said:
O.K....but only if you ask Mobil about their grease - the stuff they use to pork the American public up the butt.
Your money - their retirement. :patriot:
I don't know what they use.
I hear Amsoil is popular for that :harder: Or is that KY? Can't say as I'm NOT into that myself. :icon_gigg

Look guys, I really don't care what you use. I am a mechanical engineer and have known oil company chemists that swear by what we all use and most of us use Mobil 1 in our race cars and boats. Use whatever you like. It's your money... I have 40 thousand dollar engines and I'll stick with what works for me.




Personally, I wouldn't use Amsoil in my lawn mower but hey, this is America and I'm free to use whatever I like so long as I can pay for it, right? I could post statistics but then some of you would just post your own and say I was full of it. That to me is not fun so I'll just depart this debate now and leave it to you. Hopefully people that are looking for good information will read into the topic a bit deeper...

Shutterbug - I used Castrol for many years and found it to be very high quality oil. I just think Mobil 1 is the best now and that's what I use. A lot of my friends are drag racers, both cars and boats. A high percentage use Mobil 1 and we tear down our motors frequently so we see how well it's working. The results with Mobil 1 have surpassed any of the others we've tested. I hope this is useful information and not just another excuse for starting up the flames again.
 

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********* said:
I hear Amsoil is popular for that Or is that KY? Can't say as I'm NOT into that myself.
Your not????? Seems you enjoy bending over for Mobil !! :icon_mrha

Hopefully people that are looking for good information will read into the topic a bit deeper...
Yes, finally we agree on something:
Good information>>> https://www.amsoil.com/lit/g2156.pdf

A lot of my friends are drag racers, both cars and boats. A high percentage use Mobil 1 and we tear down our motors frequently so we see how well it's working. The results with Mobil 1 have surpassed any of the others we've tested. I hope this is useful information and not just another excuse for starting up the flames again.
No flames here...I like factual information and not just (Amsoil) "is just not the same" - for which you still have offered no facts at all. Are there any...or do you just have a thing against Amsoil salesmen (Some of the Cali guys maybe?) :icon_poke <<<<Dig a bit deeper here folks. :icon_lol:
Nobody ever said Mobil 1 is not a good oil. Show me anything that shows it's better than Amsoil. Should be pretty easy if it's as bad as you claim it is.

Shutterbug....Castrol is "synthetic" in name only. It is in fact highly refined dino oil. That is something we can say "is just not the same" as Mobil 1 or Amsoil (Both true synthetics) Go with the Mobil.
 

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gwade said:
I found the Mobil MX4T at the local AutoZone for $7.99/Qt.
That's where I buy mine.
Seems most Autozone's carry Mobil 1.
$7.99 is a great price too. :)
When I changed over to MX4T I found it really smoothed out my gear changes. It took about 1,500 miles to make a significant difference but it sure did! :)
 

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burke1300 said:
Can you describe the lab testing???
Lab testing:
You take a sample of your used oil and send it off to the lab...then they test it.
They will then e-mail you the results, showing how the oil is performing, how much wear metals are present, what the viscosity is, etc....very usefull and factual information.
Amsoil showed less wear metals and held its viscosity better than the Mobil.
Dont take my word for it....test it yourself. It cost about 30 bucks...they will send you the kit for free.

http://www.blackstone-labs.com/
 

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Discussion Starter #16
Thanks everyone for your inputs. I installed Mobil MX4T oil and a K&N oil filter, which I found easier to install because of the 17mm hex head on the top of the filter. Also changed the hypoid gear oil as well (it was surprisingly dark with lots of fine metal shavings).
 

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Shutterbug said:
Thanks everyone for your inputs. I installed Mobil MX4T oil and a K&N oil filter, which I found easier to install because of the 17mm hex head on the top of the filter. Also changed the hypoid gear oil as well (it was surprisingly dark with lots of fine metal shavings).
I like the K&N filters too.
The Mobil 1 filters are easier for me to find locally though.
Sounds like it was good you checked your final drive oil.
What kind of gear oil did you use in the rear?
 

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Discussion Starter #18
I put in the Honda brand 80-90 weight hypoid gear oil. Is there something better I can use?
*********, I bought my K&N filters online from www.chaparralmotorsports.com for $11.99 each. I felt the quality of the filter was worth a few extra bucks.
I also bought a maintenance manual (used) from Ebay to help me out. Another worthwhile investment as far as I'm concerned!
 

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I like tha Amsoil 20-50 in the air cooled Foreman's & Big Reds we run..really quiets them down, but I'll run Delvac1 5-40 in my new 1300R after break-in..and I'll pound the snot out of her the first 200mi....gets everything set properly that way.
 

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Shutterbug said:
I put in the Honda brand 80-90 weight hypoid gear oil. Is there something better I can use?
*********, I bought my K&N filters online from www.chaparralmotorsports.com for $11.99 each. I felt the quality of the filter was worth a few extra bucks.
I also bought a maintenance manual (used) from Ebay to help me out. Another worthwhile investment as far as I'm concerned!
Higher quality filters cost more but I agree they're worth it.
Buying a service manual is always the first step in better understanding what you're doing. If more people did that, they would have far fewer problems.
You won't have any problems with Honda petroleum base gear lube but I prefer synthetic.
I use Red Line in mine. You'll find it will run about 30 degrees cooler with synthetic lube as opposed to petroleum. Heat is an indication of friction so you can see why synthetic is prefered.
 
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