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Why don't HTO-06 oils win here? #4533211
10/03/17 05:57 PM
10/03/17 05:57 PM
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d00df00d Offline OP
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Couldn't get an answer on this from Mobil 1's tech folks so I figured I'd try here.

Check out this result from Mobil 1's comparison tool. Mobil 1 5w-30 carries HTO-06 approval. The other two don't.

Shouldn't the HTO-06 oil compare more favorably in the deposit control, high temp performance, and turbo protection categories? Does HTO-06 just not correspond that closely with those categories, or is this saying ESP X1 0w-30 and FS 0w-40 would pass HTO-06 by a bigger margin?



2008 BMW M3
Re: Why don't HTO-06 oils win here? [Re: d00df00d] #4533218
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dparm Offline
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I suspect the 0w40 isn't HTO-06 for CAFE reasons. Honda rarely specs anything heavier than a 30.


2017 Chevrolet Corvette Grand Sport
Re: Why don't HTO-06 oils win here? [Re: dparm] #4533220
10/03/17 06:02 PM
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d00df00d Offline OP
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Well yeah. What I'm wondering is why an HTO-06 approved oil can't hang with it in areas that seem directly relevant to HTO-06.


2008 BMW M3
Re: Why don't HTO-06 oils win here? [Re: d00df00d] #4533222
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dparm Offline
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Because that chart was made by the marketing team.


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Re: Why don't HTO-06 oils win here? [Re: dparm] #4533223
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d00df00d Offline OP
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crackmeup

That's about as good an answer as I got from Mobil, honestly...


2008 BMW M3
Re: Why don't HTO-06 oils win here? [Re: d00df00d] #4533224
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CT8 Offline
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Is HTO 6 still a valid spec oil for current engines?


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Re: Why don't HTO-06 oils win here? [Re: d00df00d] #4533225
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Mahzurrah!
KCJeep Offline
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That's what I was going to say...that chart is all about marketing tiers and has little or nothing to do with much more than that.


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Re: Why don't HTO-06 oils win here? [Re: d00df00d] #4533254
10/03/17 06:34 PM
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dparm Offline
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Originally Posted By: d00df00d
crackmeup

That's about as good an answer as I got from Mobil, honestly...



Their CS reps have to be very careful when answering such questions. They don't want to cannibalize their own sales, nor do they want to imply that HTO-06 is an inferior spec to something else. Similarly, they don't want to say anything that contradicts or goes against contractual obligations for that certification they paid for.

Also, didn't you already answer this? ;-)
https://bobistheoilguy.com/forums/ubbthreads.php/topics/1377574/1


2017 Chevrolet Corvette Grand Sport
Re: Why don't HTO-06 oils win here? [Re: d00df00d] #4533279
10/03/17 06:47 PM
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skyactiv Offline
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The 0W30 and 0W40 oils are for the most part, designed for use in European vehicles. Why would Mobil spend the money getting oils not specified for use in a Honda to pass the HTO-06 test.
The 0W30 has a 54F higher flash point than the 5W30. Plus there is more magic secret sauce in the 0W30 oil not contained in the 5W30 API SN your not going to see in an oil analysis.
Wasn't that HTO-06 spec made for the Acura RDX turbo when it came out eons ago?


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Re: Why don't HTO-06 oils win here? [Re: CT8] #4533323
10/03/17 07:25 PM
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d00df00d Offline OP
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Originally Posted By: CT8
Is HTO 6 still a valid spec oil for current engines?

AFAIK, there's only one car in the entire universe that takes it, and that's the first-gen Acura RDX.


2008 BMW M3
Re: Why don't HTO-06 oils win here? [Re: dparm] #4533326
10/03/17 07:26 PM
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d00df00d Offline OP
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Originally Posted By: dparm
Originally Posted By: d00df00d
crackmeup

That's about as good an answer as I got from Mobil, honestly...



Their CS reps have to be very careful when answering such questions. They don't want to cannibalize their own sales, nor do they want to imply that HTO-06 is an inferior spec to something else. Similarly, they don't want to say anything that contradicts or goes against contractual obligations for that certification they paid for.

Yep, good points. Was thinking similarly.


Originally Posted By: dparm

LOL, wow. 8 years ago. Surprised I don't hate every single thing I said. :-P


2008 BMW M3
Re: Why don't HTO-06 oils win here? [Re: d00df00d] #4533333
10/03/17 07:29 PM
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dparm Offline
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Originally Posted By: d00df00d
Originally Posted By: CT8
Is HTO 6 still a valid spec oil for current engines?

AFAIK, there's only one car in the entire universe that takes it, and that's the first-gen Acura RDX.


I'm surprised they didn't adopt it for other cars more recently, seeing as how a huge percentage of their cars now rely on turbos.


2017 Chevrolet Corvette Grand Sport
Re: Why don't HTO-06 oils win here? [Re: dparm] #4533340
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bbhero Offline
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^^^^^
Great point dparm.


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Re: Why don't HTO-06 oils win here? [Re: dparm] #4533344
10/03/17 07:38 PM
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d00df00d Offline OP
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Was thinking the same thing.

HTO-06 came out when ILSAC GF-4 was current. GF-5 came out soon afterward, and that includes some requirements for turbocharger preservation in addition to being tougher in other ways. Maybe they felt GF-5 was good enough. Plus, you can get GF-5 products in xw-20 grades all day long; I'm pretty sure HTO-06 is 5w-30 only.


2008 BMW M3
Re: Why don't HTO-06 oils win here? [Re: d00df00d] #4533354
10/03/17 07:52 PM
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dparm Offline
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Originally Posted By: d00df00d
Was thinking the same thing.

HTO-06 came out when ILSAC GF-4 was current. GF-5 came out soon afterward, and that includes some requirements for turbocharger preservation in addition to being tougher in other ways. Maybe they felt GF-5 was good enough. Plus, you can get GF-5 products in xw-20 grades all day long; I'm pretty sure HTO-06 is 5w-30 only.



In that regard, why not just back-spec the RDX? Was the K23A1 designed specifically to run on 5w30?


2017 Chevrolet Corvette Grand Sport
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