Quote:
Originally Posted by Transamric
To me these look like later Snowflake lug nuts.
The nuts Chad showed are the same that my '72 TA had. Unfortunately both my current '71's had aftermarket nuts in place, even though I bought them way back in the mid '80's.
IIRC, the 399683 capped nuts were used by every GM division except probably Cadillac. They were a royal pain to deal with because tire shops would often over tighten them using air guns, and next time you tried to remove them the right way with a socket the stainless cap would spin on the nut.
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Snow flake lug nuts were flat top, maybe even a little concave as I recall.