I am not sure when the changeover was, but I believe the late 71 up would have a push in oil fill cap like the 72's
The right side one has all the clips for a 1970 L34, L78 & LS6 and would have been chrome. The left side looks like 1969.
Last edited by 69L78; 12-10-2019 at 01:17 AM.
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