Yes, two cans is sufficient. I've always been happy with DupliColor universal Gold engine paint. A few tips are to clean the engine thoroughly with lacquer thinner. When you think you have it clean enough, do it two more times. Turn the cans of paint upside down for a day; they have been sitting upright for who knows how long. I like to heat the paint somehow and usually use a kerosene heater and put the can on top. Shake the paint so it mixes real good. When it is hot, it will spray with a bit more force than normal so you likely will have some overspray. Don't try to cover the engine in one coat; it will run. Spray it in several light coats and it should look like a pro job out of a paint gun!
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