Having to drill anything in the body tends to prevent me from adding some of the extra options that were available.
That's why it is always better to experiment on someone else's car. That way, when a mistake is made on yours, it is a whole new mistake and so you feel less dumb about it than making the mistake others have made already.
1968 400 Coupe, verdoro green, black vinyl top 1968 400 Convertible, verdoro green, black top 1971 Trans Am, cameo white, auto 1970 Buick Skylark Custom Convertible 350-4(driver)