I’m a Castrol guy for the most part but who knows. Valvolines commitment to research seems impressive
https://youtu.be/kyyZDghgdCI?si=87eqdmFStOchZkUb
Interesting video from the Oil Geek
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- nismou20
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Interesting video from the Oil Geek
2004 Chevy Tracker
2010 RAV4
1969 Datsun Roadster
2005 Lotus Elise
1995 Toyota Tercel (Poormans Corolla)
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2010 RAV4
1969 Datsun Roadster
2005 Lotus Elise
1995 Toyota Tercel (Poormans Corolla)
2001 Fleetwood Jamboree RV
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Re: Interesting video from the Oil Geek
Interesting video. Impressive cleaning performance. Adequate zinc of nearly 1400ppm. Phosphorus a bit under 1200pp. To bad there is no weight higher than 5-30 in the Restore and Protect line.
1967 1600 in waiting SPL311-09002 / R-28178
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- redroadster
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Re: Interesting video from the Oil Geek
GMs top engine cleaner ,did this in the early 80s ,it dissolves the gum of the engine varnish ,made the best inj cleaner, but when it does it there's grit in with it and it goes thru the engine and in the 1/8 in oil passages will clog & gets in the bearings ...this was per our 2 dedicated engine techs
Last edited by redroadster on Thu May 30, 2024 9:19 pm, edited 2 times in total.
Datsun dealer tech 76 to 87
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Volvo, Kia, Toyota too
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ASE MASTER TECH 96. - 11
70 SPL 86 Z31 T , Sportster
Mitsubishi tech 9 yrs
Volvo, Kia, Toyota too
6 month - Rolls Royce
ASE MASTER TECH 96. - 11
70 SPL 86 Z31 T , Sportster
- Gregs672000
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Re: Interesting video from the Oil Geek
I've subscribed to his site after watching one YouTube on selecting the right oil based on bearing clearance and oil temperatures. Also strong recommendations to not add ANY additives like more zinc as it can SERIOUSLY mess up the oils wear properties resulting in MORE WEAR. This guy is very science based. I recently switched to Pensoil ultra 10/30 but may go back to VR1 20/50 or 10/30. I was going to post here but wanted to do more research and see if he answered my questions to him.
Greg Burrows
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Tacoma, WA
'67 2000 #588
Tacoma, WA
- Gregs672000
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Re: Interesting video from the Oil Geek
Regarding cleaning oils, this one is specifically designed to NOT overwhelm the filter, which was a problem with previous such oils. The cleaning is done over 4 changes or so. Very interesting stuff if your engines are varnished or have a lot of build up.
Greg Burrows
'67 2000 #588
Tacoma, WA
'67 2000 #588
Tacoma, WA