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UOA advise #4620437
01/01/18 11:11 AM
01/01/18 11:11 AM
Joined: Oct 2005
Posts: 1,689
South Dakota
otis24 Offline OP
otis24  Offline OP

Joined: Oct 2005
Posts: 1,689
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
Re: UOA advise [Re: otis24] #4620543
01/01/18 12:52 PM
01/01/18 12:52 PM
Joined: Jun 2016
Posts: 3,956
MN
oil_film_movies Offline
oil_film_movies  Offline

Joined: Jun 2016
Posts: 3,956
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.

Re: UOA advise [Re: otis24] #4620676
01/01/18 03:11 PM
01/01/18 03:11 PM
Joined: Dec 2016
Posts: 8,006
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,006
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."
Re: UOA advise [Re: Linctex] #4620797
01/01/18 04:53 PM
01/01/18 04:53 PM
Joined: Nov 2017
Posts: 93
SC, USA
Bxnanaz Offline
Bxnanaz  Offline

Joined: Nov 2017
Posts: 93
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

Re: UOA advise [Re: otis24] #4621360
01/02/18 07:30 AM
01/02/18 07:30 AM
Joined: Sep 2015
Posts: 2,559
Malaysia
zeng Offline
zeng  Offline

Joined: Sep 2015
Posts: 2,559
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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