I HAVE A 1970 GTO CONVERT. I SEE THAT IT DOES NOT HAVE DOOR JAM VENTS . (PLEASE NOTE THAT THE QUARTERS HAVE NOT BEEN REPLACED ON MY CAR.)
WHEN ARE DOOR JAM VENTS USED? HARDTOPS ONLY? WHAT YEAR WERE THEY FIRST USED? AND LAST, WHERE THE VENTS USED ON ALL GM BODIES, PONT. OLDS CHEV. ETC..ETC..?
THANKS FOR YOUR HELP IN THIS MATER
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