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#4620437 - 01/01/18 10:11 AM UOA advise
otis24 Offline


Registered: 10/30/05
Posts: 1656
Loc: South Dakota
I am participating in the Pennzoil UOA program. My first UOA was with SuperTech Full Synthetic, 10k miles, and was done right after a round trip to Louisiana. My current fill is with PUP 5w/20. Likewise, I just returned from a trip to Louisiana. I only have 9k miles. Will doing a UOA one thousand miles early make a difference for comparison purposes? With consistent Sub-Zero temps, I'm thinking a 0W/20 might be in order ASAP.
_________________________
1991 Chevrolet K1500 (4.3, 4x4, 86k miles)

2016 Dodge Grand Caravan
(3.6 V6) 46500 miles

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#4620543 - 01/01/18 11:52 AM Re: UOA advise [Re: otis24]
oil_film_movies Offline


Registered: 06/13/16
Posts: 2550
Loc: MN
There would be a small benefit to going ahead and getting a 0w20 in there now, for S. Dakota winters.
You could do the change now. The UOA comparison would be fine as you can just extrapolate on a per-mile basis. For example, if you got 10 ppm Fe on the SuperTech oil change, then that is 1 ppm per 1,000 miles.

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#4620676 - 01/01/18 02:11 PM Re: UOA advise [Re: otis24]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
I don't think you're going to see a substantial change between 5W-20 and 0W-20
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4620797 - 01/01/18 03:53 PM Re: UOA advise [Re: Linctex]
Bxnanaz Offline


Registered: 11/28/17
Posts: 86
Loc: SC, USA
Originally Posted By: Linctex
I don't think you're going to see a substantial change between 5W-20 and 0W-20


OWs are literally made for sub-zero temps

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#4621360 - 01/02/18 06:30 AM Re: UOA advise [Re: otis24]
zeng Offline


Registered: 09/01/15
Posts: 2184
Loc: Malaysia
Originally Posted By: otis24
I am participating in the Pennzoil UOA program. My first UOA was with SuperTech Full Synthetic, 10k miles, and was done right after a round trip to Louisiana. My current fill is with PUP 5w/20. Likewise, I just returned from a trip to Louisiana. I only have 9k miles. Will doing a UOA one thousand miles early make a difference for comparison purposes? With consistent Sub-Zero temps, I'm thinking a 0W/20 might be in order ASAP.
Basing on the assumption of satisfactory ST 10k UOA and stronger performance PUP 5W20 in relation to ST, how about a UOA of longer OCI of say, 12-13k for comparison ?

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