CI-4 oil availability

Messages
8,051
Location
Michigan
I used to get PB Classic in 5-gallon pails from my local NAPA. Another CI4+ oil is Mobil Delvac MX, which is only available from Mobil distributors. These are high SAPS, high ZDDP oils that are not for use in engines that have aftertreatment systems. They were originally formulated for the first generation EGR engines.
 
Messages
11,229
Location
Bad Axe, MI
Originally Posted By: vintageant
Anybody know where CI-4 spec diesel oil is still available?
AGCO(challenger)dealers,CASE IH dealers,etc,check out all your local AG dealers,it's still out there.
 

vintageant

Thread starter
Messages
429
Location
Florida, USA
Thanks to all for responses. All the Valvoline Premium Blue Classic at my local distributor are CJ-4, as is every other 15W-40 diesel oil on the shelf. I've found Swepco 15w-40 which the classic Porsche community uses, but it's at synthetic prices, plus shipping Yet to try farm supply stores.
 
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