SuzukiSavage.com - Is it safe to use 10W30 engine oil instead 10W40?

Ruttly Serious Thumper Offline Thumpers Rule Posts: 4997 Manteca , CA Gender:	Re: Is it safe to use 10W30 engine oil instead 10W Reply #45 - 12/10/17 at 18:33:16 See just how civilized we can be. Not a shot fired ! As long as no one argues against what we know works ! Just not as much fun ! Makes for great reading too !
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Dave YaBB Moderator ModSquad Offline SuzukiSavage.com Rocks! Posts: 17801 Camp Springs, Kentucky Gender:	Re: Is it safe to use 10W30 engine oil instead 10W Reply #46 - 12/11/17 at 04:49:58 Last night I was in Tractor Supply, and not a jug of T6 to be found - it has been like this for weeks. I wonder if the CJ-4 is no longer being distributed....and the supply of the CK-4 is limited and it hasn't gotten to the shelves yet?
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Re: Is it safe to use 10W30 engine oil instead 10W
Reply #47 - 12/12/17 at 18:19:54

Tractor supply still doesn't have the CK-4....but Walmart does!

And I believe that the CJ-4 most likely is going to disappear, as the new CK-4 bottle also has the CJ-4 listing as well!

The new CK-4/CJ-4 bottle does not have the JASO MA rating - but that should not deter us from using it in the Savage. The ZDDP level is great, the moly level is low, and the only reason it is no MA rated is that the Phosphorous level is above the limits for the MA rating - the Savage doesn't care about Phosphorus!

The Rotella T6 is back on the "approved and recommended" list!

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Is it safe to use 10W30 engine oil instead 10W Reply #48 - 12/12/17 at 18:29:39 Does that mean it better than the T4?
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JLC Senior Member Offline SuzukiSavage.com Rocks! Posts: 262 Black Forest, Colorado Gender:	Re: Is it safe to use 10W30 engine oil instead 10W Reply #49 - 12/12/17 at 19:29:04 Dave, I have a gallon container of T6 CK-4 in front of me, and the label states it is JASO MA/MA2 rated. That's the Shell Rotella T6 Synthetic Extreme Temperature version.
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batman Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 3806 osceola new york Gender:	Re: Is it safe to use 10W30 engine oil instead 10W Reply #50 - 12/12/17 at 19:29:37 Better? maybe. But I think it's like you JOG ,it's just "different"
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Is it safe to use 10W30 engine oil instead 10W Reply #51 - 12/12/17 at 19:39:02 That was a good shot, man. Well played.
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batman Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 3806 osceola new york Gender:	Re: Is it safe to use 10W30 engine oil instead 10W Reply #52 - 12/12/17 at 20:03:17 It was a cheap shot! but the truth is in Texas with that heat I'd be running the new T-6 CK the breakdown temp being 350 for T-4 and 500 for the T-6 the small difference in price ,and the fact that you could go twice as long between oil changes with the T-6 makes it a bargain in my book.
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Is it safe to use 10W30 engine oil instead 10W Reply #53 - 12/12/17 at 20:36:03 Sounds like a reasonable approach. Thanks And I have been Really trying to think up a good way to get even. I haven't But when I do You'll Definitely be next to know. So, watch your six, ace..
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batman Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 3806 osceola new york Gender:	Re: Is it safe to use 10W30 engine oil instead 10W Reply #54 - 12/12/17 at 20:41:03 JOG ,there is no doubt in my mind that you won't one up me . but I wouldn't dish it out if I couldn't take it ! I know you'll do your worst!(best?)
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Dave

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Re: Is it safe to use 10W30 engine oil instead 10W
Reply #55 - 12/13/17 at 04:14:06

JLC wrote on 12/12/17 at 19:29:04:

Dave,

I have a gallon container of T6 CK-4 in front of me, and the label states it is JASO MA/MA2 rated. That's the Shell Rotella T6 Synthetic Extreme Temperature version.

Yep.....you're correct - I needed to keep reading the paragraphs all the way to the bottom! (I guess it was the other T6 that had too much phosphorous....it gets so hard to keep all this straight).

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Papa Bear

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Re: Is it safe to use 10W30 engine oil instead 10W
Reply #56 - 12/13/17 at 05:32:54

My tribologist friend at BITOG recommended the JASO MA/MA2 T6 for my S40.

I told him that I would likely stay with the T4 as I "enjoy" changing oil and it's more cost effective to dump T4 early than T6. Wink

He agreed .....

So if you are like me and change the oil "early & often" then T4 is da bomb.
If you don't like changing oil and run your fill for a long OCI then T6 (JASO MA/MA2) is da bomb.

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Re: Is it safe to use 10W30 engine oil instead 10W
Reply #57 - 12/13/17 at 05:49:43

Papabear:

I think along those lines. With my heavy work load, I don't get to ride nearly as much as I would like to, and I put about 2,000 miles a year on the Savage Cafe' bike. I change the oil before I put it away each winter, and again before the summer Dragon ride....I only use my oil about 1,000 miles between changes.

I had a temperature gauge on my engine, and the head temperature is generally about 240 degrees - once on a 95 degree day it approached 300 when I was stuck in traffic in Pigeon Forge, and once when Oldfeller had me climbing a steep mountain gravel road in 1st gear. If the breakdown temp is 350 for T4 and 500 for the T6...the T4 is still doing the job for me as long as I stay out of Pigeon Forge and off the gravel roads. If you do get stuck in traffic on very hot days.....it might be worth using the synthetic T6. Doesn't really make much difference cost wise - my yearly oil cost would be about $14 for the T4.......$21 for the T6.

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Is it safe to use 10W30 engine oil instead 10W Reply #58 - 12/13/17 at 06:21:19 Oil use changes as miles add up on the oil. I start seeing it need oil after some spirited riding and I'll change it.
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Papa Bear

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Re: Is it safe to use 10W30 engine oil instead 10W
Reply #59 - 12/13/17 at 09:47:29

batman wrote on 12/12/17 at 20:03:17:

the breakdown temp being 350 for T-4 and 500 for the T-6

Where did you get these numbers?
PQIA shows almost identical volatility and mass loss for T4 & T6 @250C (482F) temps
http://pqiadata.org/Shell_Rotella_T4_15W40_4192017.html
http://www.pqiamerica.com/June%202014/shellrotellat6.htm

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