Article ExtrasEngine/PerformanceExtras Six-Pack Serenade By Cliff Gromer Last updated Sep 9, 2020 0 Share You’ll hum a happy tune when you bring home the gold with a ’69½ 440-6 engine that’s Reference-Restored like this. Story and photos by Cliff Gromer 5 3 votes Article Rating BadalsonSix-Pack Detailing1971 0 Share FacebookTwitterGoogle+ReddItPinterestEmailLinkedin