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I "think" DC code is 67 Corvette (15x6) and 68-70ish passenger car (15x6). The Corvette wheel, if I recall, has a "larger" DC than the passenger car wheel.
I'll bet if you google something like Chevrolet wheel codes you will find a bunch of information.
Does anyone know if the wheel codes are based on months, as are other parts? On my 64 I have a set of original 68 rallys that are stamped with "AG" which add up to 8 (68) the above "DC" add up to 7 (67) just curious or was someone just blowing "theory" smoke at me
Does anyone know if the wheel codes are based on months, as are other parts? On my 64 I have a set of original 68 rallys that are stamped with "AG" which add up to 8 (68) the above "DC" add up to 7 (67) just curious or was someone just blowing "theory" smoke at me
Someone is blowing smoke I'm afraid...
AG 15x7 -.28 JJ 3910799-D 68 Corvette
DC wheels are definitely 6"... DC (early) 15x6 +.06 JK 3968733-D 67-70 Passenger Car 67-70 Station Wagon
FI (late)
Passing a $.25 piece through the racetrack slots does not reliably identify a '67 Corvette OEM rally rim. With the exception of the FI (riveted) and the YS (late '69) 6" rally wheels, all other 6" rally style will "pass" the quarter test when measuring slot size. That is, the large DC, small DC, early '67 DG, & Z28 Camaro DF wheels all have the larger slots.
All this 'test' will do is to rule out an FI or a YS without removing the trim ring to view the valve stem area.
Your rims are indeed '67 Corvette only. To find their dates, look on the hoop section when the tires are dismounted. Follow the photo below (DF Z28 Camaro counter wheel used as an example); Your should see a rim contour code of 15x6JK. Near those characters, look for crooked & light stampings of a letter and one or two numbers. A 5, for example meaning January 5th. In the same area of the hoop, look for another set of character in a cluster of three. K = Kelsey Hayes, 1 = Romulus MI plant, 8 = 1968