Re: My 1963 K20 Stepside - Going to be lots of questions ....
Cool truck, t case should be rockwell T221, keep it full or will burn bearings, 80 90 weight, get a factory shop manual. Truck has lots of grease zerks, special lube in front knuckles. If floor shift 4 speed should be sm420. Need more photos to see what else you have. great you found a unmolested truck
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