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Fresh oil going back in. In my older vehicles I like to run either Valvoline VR1 or Mobile 15w-50. Both of these oils have higher levels of Zinc for push rod and flat tappet engines. I've always had great luck with these oils so decided to use the VR1 in 10w-30 in the M38. I know oils can be a hot topic....for me these two have always been my go to oils for vintage engines.
LOTS of zerk fittings to grease. Only took one pic of the process though, transfer case shift linkage.
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