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#11
11-22-2004, 01:54 AM
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Re: '70 Chevelle SS Wheels
4
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Dave C. 68 SS396 Camaro 69 SS396 CB Chevelle Conv. 70 340 Dart Swinger 70 SS396 Chevelle 4spd 70 SS396 Chevelle 70 BB 4spd Monte Carlo 70 SS454 Monte Carlo 71 SB 4spd Monte Carlo 71 SS454 Monte Carlo 71 Corvette LS-5 conv. 71 Corvette LT-1 conv. 71 Corvette LS-6 coupe 72 Monte Carlo 72 Monte Carlo Custom 72 442 W-30 clone 76 Trans Am SE 455 4 spd 85 Mustang GT Conv. 86 Grand National 02 SS conv. 
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#12
11-22-2004, 02:02 AM
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Re: '70 Chevelle SS Wheels
by the way all the pictures are of the same rim
...I noticed that next to the valve stem was stamped m48 but the inside had m18? kind of thought that unusual for code stamping, as I would assume that stampings would be the same number if referencing a date or application? 
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Dave C. 68 SS396 Camaro 69 SS396 CB Chevelle Conv. 70 340 Dart Swinger 70 SS396 Chevelle 4spd 70 SS396 Chevelle 70 BB 4spd Monte Carlo 70 SS454 Monte Carlo 71 SB 4spd Monte Carlo 71 SS454 Monte Carlo 71 Corvette LS-5 conv. 71 Corvette LT-1 conv. 71 Corvette LS-6 coupe 72 Monte Carlo 72 Monte Carlo Custom 72 442 W-30 clone 76 Trans Am SE 455 4 spd 85 Mustang GT Conv. 86 Grand National 02 SS conv.
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#13
11-22-2004, 06:28 PM
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Re: '70 Chevelle SS Wheels
[ QUOTE ]
by the way all the pictures are of the same rim ...I noticed that next to the valve stem was stamped m48 but the inside had m18? kind of thought that unusual for code stamping, as I would assume that stampings would be the same number if referencing a date or application? [/ QUOTE ] Makes perfect sense- Wheels were made in 2 pieces. The outer rim and the inner part. Those dates are for when each part of the wheel was made, not when the wheel was assembled. The assembled date are the numbers on each side of the valve stem.
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It is impossible to certify a COPO or Z/28 as authentic without verifying that it is not a rebody...
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#14
11-22-2004, 06:44 PM
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Re: '70 Chevelle SS Wheels
Those are the dates & codes for the outer pieces in your second picture.The valve stem codes are when wheel was assembled.
M4=Manufacturer Motorwheel. 8=1968 11=Month,November 4=day YA=Application code
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#15
11-23-2004, 12:19 AM
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Re: '70 Chevelle SS Wheels
so that wheel is correct for a 69 model?
I'll have to check the other one now, as my cousin told me he took it off of a 70 chevelle some years back. thanks!
__________________
Dave C. 68 SS396 Camaro 69 SS396 CB Chevelle Conv. 70 340 Dart Swinger 70 SS396 Chevelle 4spd 70 SS396 Chevelle 70 BB 4spd Monte Carlo 70 SS454 Monte Carlo 71 SB 4spd Monte Carlo 71 SS454 Monte Carlo 71 Corvette LS-5 conv. 71 Corvette LT-1 conv. 71 Corvette LS-6 coupe 72 Monte Carlo 72 Monte Carlo Custom 72 442 W-30 clone 76 Trans Am SE 455 4 spd 85 Mustang GT Conv. 86 Grand National 02 SS conv.
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#16
11-23-2004, 02:49 AM
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Re: '70 Chevelle SS Wheels
Yes it is a 1969 application,but your cousin could have possibly found that on a early built 1970 Super Sport too,(Sept.69 to late Nov.69 from buildsheets I have)
Although built nearly a year prior,I would imagine they used up all the remaining YA coded inventory before the AO coded wheel was tapped.I did see a early 1970 SS car with 12/27/68 YA rims,& looked to be authentic. A.Colvin states the earliest assembled AO code he has seen is Sept.23,1969.
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