Quote:
Originally Posted by 80SPORT
Looking at the GM parts book it appears the change was mid 77....
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If I were going to guess, it would have been 77. I have found that 77 was a huge transition year. There are several things that ended in 77, started in 77, and were 77 only. The center caps changing that year goes right along with the rest of it.
Glad to hear you got your mystery solved...
