Just picked up an old project for me.
Decal inside the hood says engine 10 wt below 10F 30wt over 32F, something like that... 10-30 synthetic Valvoline OK??
Differential and Tranny say 80 and 90 weight 'mineral' oil depending on temps?? Huh wazzat?? As long as I can find an 80-90 Gear lube...