Interesting, never realized that. Odd the Camaro didn't have that as an option, as my '66 Chevelle and '67 C10 has them...
Anyway, do you know if the Firebird had the right side mirror ? The setback should be the same to clear the vent window post.
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Mitch
1970 Chevelle SS
1966 Chevelle SS
1967 Camaro ss/rs
1938 Business coupe, street rod
2000 FXSTS, original owner, 13k miles
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