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Valvoline 5w40 synthetic ck4 VOA

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CaptainE

Active Member
Joined
Jan 31, 2021
Messages
25
Location
Iowa
I also had Blackstone run analysis on Valvoline 5w40 snythetic ck4. I haven’t seen analysis yet on the internet. Ive also posted it to bobistheoilguy.
 

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Coaldust

Coaldust

Senior Member
Joined
May 9, 2011
Messages
3,354
Location
North of the 60
Occupation
Cargo Tanks, ULSD, RUG, Methanol, LPG
5w-40 is kinda a niche viscosity. Had a tribologist tell me it was a solution looking for a problem. I used it specifically for one particular Anchorage truck fleet that didn’t have a bullrail available to plug block heaters in. Made winter starts easier vs 15w-40. And certainly reduced filter bypass time. The price premium was worth it, in that application.

I experience no issues running 15w-40 in the Arctic when when using coolant & oil pan heaters.
 
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