i have a 1977 924 with a non spoiler hatch..some say a can drill hole's in the frame some say it go's thru the glass..i dont know cuz i dont have one..at the end of the day and i cant drill hole's will the glue or windsheild glue hold a 944 hatch spoiler on as i was told that it would..so i wanted to ask the body shop guy's as would hope that u guy's might know..thank u for ur help..