How much oil do you need for an change on a 1967 Barracuda with 273 V8?

A 1967 Plymouth Barracuda with a 273 V8 typically requires 5 quarts of oil for an oil change. However, it's always best to check your owner's manual. The amount might vary slightly depending on the specific options and modifications to your vehicle. Adding a little extra (up to a half-quart) isn't harmful, but overfilling can be.