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Delo XLE 10W30 vs Delvac 1300 10W30 - Explain This #4442028
06/26/17 01:43 PM
06/26/17 01:43 PM
Joined: May 2005
Posts: 2,249
Toronto, Canada
George7941 Offline OP
George7941  Offline OP
Joined: May 2005
Posts: 2,249
Toronto, Canada
Delo 10W30 Pour point -46C, MRV @ -30C is 20400 Mpa.s. Details here https://cglapps.chevron.com/msdspds/PDSDetailPage.aspx?docDataId=479606&docFormat=PDF
Delvac 1300 10W30 Pour point -33C, MRV @ -30C is 18600 Mpa.s. Details here https://www.mobil.com/English-US/Commercial-Vehicle-Lube/pds/GLXXMobil-Delvac-1300-Super

In spite of Delo being a synthetic blend and having a much lower pour point, it is a thicker oil at -30C?

Also both Delvac 10W30and 15W40 have the same pour point of -33C, which is odd. When I phoned Tech support at Mobil says the pour point values are correct.


2006 GMC Sierra 4.3l, NV3500,G80 , Mobil 1 5W30, Dexcool.
1987 BMW R80 - sold
2015 Honda CBR300R

Staying out of the right lane a lot.
Re: Delo XLE 10W30 vs Delvac 1300 10W30 - Explain This [Re: George7941] #4442121
06/26/17 03:58 PM
06/26/17 03:58 PM
Joined: Oct 2004
Posts: 8,334
Cincinnati, OH, USA
bullwinkle Offline
bullwinkle  Offline
Joined: Oct 2004
Posts: 8,334
Cincinnati, OH, USA
I wasn't aware Delo's ISOSYN was considered syn or syn blend, and maybe Mobil's "severely hydro-processed base stocks" are close enough to synthetic to narrow the gap. I would use whichever I could get easily, for the right price, all day long.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Delo XLE 10W30 vs Delvac 1300 10W30 - Explain This [Re: George7941] #4442162
06/26/17 04:52 PM
06/26/17 04:52 PM
Joined: Sep 2014
Posts: 2,179
US-WA
Dyusik Offline
Dyusik  Offline
Joined: Sep 2014
Posts: 2,179
US-WA
Just brain storming, but I have a feeling Delo uses a heavier base stock and less vii, with their heavy numbers.


95 Cherokee 190K DELO 10W30, XG8
07 IS250 103K Napa 10w30, FULL
04 YZF-R1 19K DELO 15w40, XG7317
99 HD XL1200S 21K VR1 20w50, NG1515
14 RX450h 35k PP MIX, NG7047
Re: Delo XLE 10W30 vs Delvac 1300 10W30 - Explain This [Re: George7941] #4447435
07/02/17 12:04 PM
07/02/17 12:04 PM
Joined: Oct 2010
Posts: 7,101
Michigan
A_Harman Offline
A_Harman  Offline
Joined: Oct 2010
Posts: 7,101
Michigan
One of the oil formulators on BITOG could explain why an oil with a higher pour point could have a lower MRV reading.
But if I was looking for an oil with better cold flow properties, I would pick the one with the lower MRV reading. Delvac 1300 in this case. MRV is a more relevant measurement to what actually happens in an engine in cold conditions.


1985 Z51 Corvette track car
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
1972 GMC 1500 shortbed project truck
Re: Delo XLE 10W30 vs Delvac 1300 10W30 - Explain This [Re: bullwinkle] #4447445
07/02/17 12:16 PM
07/02/17 12:16 PM
Joined: Sep 2010
Posts: 7,508
Texas & Global
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 7,508
Texas & Global
Some of these in 15w40's made with GII+ at around 11% NOACK and +4 HTHS are a great bang for the buck ...




I'll take them over T6 if you don't need 5w ...


2018 Chevy 1500 Z71 4WD
2017 Chevy Tahoe LT 4WD
2014 Fusion Hybrid Titanium
2013 Cruze LTZ - RS Turbo

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