Installed LED Taillight bulbs in my '67
 

Passing this on, in case anyone's interested. i saw the recommendation in the 64-65 GTO/Tempest/Lemans forum.

https://forums.maxperformanceinc.com....php?p=6518891

I installed the LED bulbs recommended by HoovDaddy in post #5, they work in my '67 with the original flasher and incandescent bulbs in the front turn/parking lights.