My vent window won't stay open...

if It (his car) is a 65 as I suspect from his statistic's page then post #10 is correct, 1967 in post #11 is different. It IS the same tightening process though. but not from a spring steel clamp but just clamping the steel bracket tighter and if you take the screw out you can't loose the clip on a 65-66.

Well I have ones from a 1966 and they are just like post #11 .....So it must be 64-65 are the #10 style