Forum Discussion
colliehauler
Aug 09, 2018Explorer III
JIMNLIN wrote:While not a Cummins my oldest truck a 99 Ford 7.3 has run Rotella T-4 15w40 for 255k miles, no engine blow by or smoking.
2003 Dodge/Cummins 305/555 HO with 320k miles on nothing but Retella 15w-40 dino oil with Fleetguard filters.
Blackstone say exceptional and keep doin' what your doin'
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