Re: synthetic oil comparison
NOCOPO: the thing about is, is that all new(er) engines are manufactured with the newer oils in mind...which means the oil mans are gonna cater to the folks buttering their bread, not folks like us living with 30+ year old technology...
On a similar note, yesterday I picked up our Dmax dually from getting the rear rebuilt...I asked them about synthetic vs. dino gear lube, and he told me he's not sold on the synthetics...said his experience has been that the synth lube will darken and degrade sooner than it's dino lube counterpart...he even had a TSB from Ford stating that the synth lube in the trucks from the factory was to be dumped in favor of the tried & true dino based 80w/90 lube...just something to think about.
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