On my 68' convertible they are all screwed (philips head screws) in on the sides and top (outer pillar posts have small bolts).I "believe" the coupes used the studs.I took some pics of them for your reference but my batteries died.When they are recharged i'll post some pics for you if needed.
David
http://FirstGenFirebird.org/show/closeup.mv?CarID=571 If i don't get this car back on the road soon i'm gonna go postal! On a quest for FGF knowledge 1968 Pontiac Firebird Convertible 1969 Oldsmobile Cutlass "S" Convertible *Sold*
