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#4546162 - 10/17/17 11:42 AM How oil protects from LSPI - Make me a Sticky
StevieC Offline


Registered: 08/21/08
Posts: 17116
Loc: Ontario, Canada
http://papers.sae.org/2016-01-2277/

Quote:
Consistent with previous reports, the detergent system was found to have the largest impact on LSPI frequency. Furthermore, once a balanced detergent system was identified and its LSPI impact was minimized, the effect of other additives, ash-containing as well as ashless, became apparent. In order to develop a robust additive package that maintains performance in critical bench and engine tests while offering optimal LSPI protection, consideration must be given to the impact of all lubricant additives not simply the detergent type and treat rate.
_________________________
'15 Dodge Journey - 90,000 KM's - SSO 5w20
'06 Hyundai Santa Fe - 535,000km - SSO 0w30 (R.I.P)

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#4546261 - 10/17/17 01:35 PM Re: How oil protects from LSPI - Make me a Sticky [Re: StevieC]
Virtus_Probi Offline


Registered: 06/25/15
Posts: 3970
Loc: New England
Wish I could see the paper, I'm very curious what they have to say about ashless additives.
Also surprised they didn't mention sodium in the ash-containing category, one additive manufacturer claimed it was a very aggressive accelerant for LSPI in the presence of calcium.
_________________________
2014 Forester XT, 80500 miles
Last Change;
Valvoline Full Synthetic 5W30 d1G2
Tokyo Roki 15208AA170 filter

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#4546397 - 10/17/17 04:17 PM Re: How oil protects from LSPI - Make me a Sticky [Re: StevieC]
eljefino Offline


Registered: 06/15/03
Posts: 32631
Loc: ME
Make you a sticky? Get promoted to mod first!

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#4546408 - 10/17/17 04:37 PM Re: How oil protects from LSPI - Make me a Sticky [Re: StevieC]
StevieC Offline


Registered: 08/21/08
Posts: 17116
Loc: Ontario, Canada
Yeah that's not gonna happen. I'm lucky just to be back here.
_________________________
'15 Dodge Journey - 90,000 KM's - SSO 5w20
'06 Hyundai Santa Fe - 535,000km - SSO 0w30 (R.I.P)

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#4546448 - 10/17/17 05:35 PM Re: How oil protects from LSPI - Make me a Sticky [Re: StevieC]
SEMI_287 Offline


Registered: 02/25/11
Posts: 1338
Loc: Up State NY
Originally Posted By: StevieC
Yeah that's not gonna happen. I'm lucky just to be back here.


Hasn't it been years?
_________________________
2005 BMW 325xi- M1 0W40, Mann
2008 Mitsubishi Galant- Parts Master 5w30, Wix




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#4546452 - 10/17/17 05:40 PM Re: How oil protects from LSPI - Make me a Sticky [Re: SEMI_287]
StevieC Offline


Registered: 08/21/08
Posts: 17116
Loc: Ontario, Canada
Originally Posted By: SEMI_287
Originally Posted By: StevieC
Yeah that's not gonna happen. I'm lucky just to be back here.


Hasn't it been years?


7 years. frown
_________________________
'15 Dodge Journey - 90,000 KM's - SSO 5w20
'06 Hyundai Santa Fe - 535,000km - SSO 0w30 (R.I.P)

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