Quote:
Originally Posted by Mike80D
So, there was a painted version of this style cap on a 77-78,
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No, they never came painted white. Those were the new aluminum caps introduced in '76 that replaced the stainless older style. Aluminum caps came standard on higher trim models '76-'78. After '78, those aluminum caps were used on all models thru '87 on pickups and well into the 90's on vans. After '78, aerodynamics, weight savings and efficiency was GMs top priority.