Now that you’ve known the other car care basics, perhaps it’s time we take a look at the fluid essentials that are literally the life giving blood of your car.

Fill the differential fluid reservoir with gear lube, using between one and two quarts of oil, using limited-slip gear additive for limited-slip differential; learn more in thisfree auto-restoration video. Expert: Doug Jenkins Bio: Doug Jenkins runs Doug Jenkins Custom Hot Rods in St. Louis, where he restores classic cars and creates mild to wild custom [...]