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Rheinol 5w40 Primus: #5423287 05/07/20 09:33 AM
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Doktor_Bert Offline OP
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I have been unable to find a VOA on this oil. I've been using it in a 4.6 litre, 3-valve Ford for over 6 years because it is free to me. The engine currently has 229,000 miles running a 4.30 gear. Oil changes have varied anywhere from 8,000 to 10,000 miles with a Motorcraft filter.

Photo attached is the engine's left bank when VC gaskets were replaced at 220,000 miles.

[Linked Image]

Wonder what the ZDDP content is???

Re: Rheinol 5w40 Primus: [Re: Doktor_Bert] #5423316 05/07/20 10:21 AM
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Strjock81 Offline
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Send in a VOA! Checked out their website looks pretty
decent to me


2016 White Town and Country Touring
2015 White Yukon XL Denali
2014 White Ram 2500 CCSB 4x4 Cummins Bighorn
Re: Rheinol 5w40 Primus: [Re: Doktor_Bert] #5423341 05/07/20 11:12 AM
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Barkleymut Offline
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5w-40 in a motor spec'd for 5w-20? BITOG demands answers!


09 Vue 2.4L 4spd AT/ 09 Flex 3.5L / 96 F150 5.0 5speed / 07 Mustang GT auto
Re: Rheinol 5w40 Primus: [Re: Doktor_Bert] #5423347 05/07/20 11:23 AM
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Doktor_Bert Offline OP
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smile

Re: Rheinol 5w40 Primus: [Re: Doktor_Bert] #5423349 05/07/20 11:27 AM
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Barkleymut Offline
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Does not look like a Mustang engine bay, but what else would be yellow? F150?


09 Vue 2.4L 4spd AT/ 09 Flex 3.5L / 96 F150 5.0 5speed / 07 Mustang GT auto
Re: Rheinol 5w40 Primus: [Re: Barkleymut] #5423353 05/07/20 11:31 AM
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You probably don't want to debate that topic. Dad was a NASCAR crew chief (and part of the 396 FE team that won Riverside in 1968) and we had a chassis dyno growing up, so we never followed norms.

My wife bought a 2017 Honda fit. The first 5 oil changes were done by the dealer with 0w20. After that, i used the 5w40 Primus because its free. MPG did not change from the numbers recorded with 0w20.

The police department i retired from in 2011 used 15w40 Rotella in everything - in an almost exclusively Ford 4.6 and 5.4 fleet - and never had a code for VCT or any type of oil related problems.

Not here to influence anyone one way or the other...

Re: Rheinol 5w40 Primus: [Re: Barkleymut] #5423354 05/07/20 11:31 AM
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Doktor_Bert Offline OP
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[Linked Image]

Re: Rheinol 5w40 Primus: [Re: Doktor_Bert] #5423368 05/07/20 11:41 AM
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Barkleymut Offline
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Thats a beauty! Good to hear the 4.6's run so well on the higher viscosity. The mileage did suffer, but it is probably around .05% :P


09 Vue 2.4L 4spd AT/ 09 Flex 3.5L / 96 F150 5.0 5speed / 07 Mustang GT auto
Re: Rheinol 5w40 Primus: [Re: Barkleymut] #5423370 05/07/20 11:47 AM
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Doktor_Bert Offline OP
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Originally Posted by Barkleymut
Thats a beauty! Good to hear the 4.6's run so well on the higher viscosity. The mileage did suffer, but it is probably around .05% :P


Most likely...

Re: Rheinol 5w40 Primus: [Re: Doktor_Bert] #5423375 05/07/20 11:54 AM
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Doktor_Bert Offline OP
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Note this oil also has Lamborghini and Maserati approvals, plus BMW LL01, and Porsche A-40...

[Linked Image]

[Linked Image]

Probably a decent oil, but i suspect it has lowered ZDDP levels to make it LSPI and catalyst friendly.

Re: Rheinol 5w40 Primus: [Re: Doktor_Bert] #5423452 05/07/20 02:18 PM
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wemay Offline
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Beautiful Mustang and cant go wrong with free, quality motor oil.


2019 Volkswagen Passat Wolfsburg TSI: M1 EP 0W-20, Fram 11784
2013 Hyundai Santa Fe Sport 2.0T: RGT 5W-30, H/K oil filter
Re: Rheinol 5w40 Primus: [Re: Doktor_Bert] #5423471 05/07/20 02:45 PM
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Strjock81 Offline
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I think Les Claypool produces it


2016 White Town and Country Touring
2015 White Yukon XL Denali
2014 White Ram 2500 CCSB 4x4 Cummins Bighorn
Re: Rheinol 5w40 Primus: [Re: Strjock81] #5423503 05/07/20 03:52 PM
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Originally Posted by Strjock81
I think Les Claypool produces it


banana

Re: Rheinol 5w40 Primus: [Re: Doktor_Bert] #5423512 05/07/20 04:07 PM
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Cellist Offline
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Great oil and a very clean and spotless engine! Is the car mostly driven on the highway?

Re: Rheinol 5w40 Primus: [Re: Doktor_Bert] #5423558 05/07/20 05:28 PM
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Doktor_Bert Offline OP
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Today, just for fun, i changed the oil and threw Shell Rotella T4 15w40 in it with a new Motorcraft filter.

I was instantly surprised by how much snoither and quieter the 4 6 3-valve was.

Hmmmmmmmm

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