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**402Bowtie** · 07-29-2021, 12:01 PM

67 chevy
7J141521
04/17/67<build date<04/30/67

72 Blazer
2S159156
TBD

71 GMC suburban
Z120657
TBD -- Currently the last Z1 data point on our list.

67 chevy
71117045
2/7/67-02/28/67. P for February. Rear axle date is 7 (1967) B (February) 7 (7th day of month).

Edit: I found this build month decoder from a Chevelle website that seems to match up with our trucks...I'll update some of the additions accordingly.

07-29-2021, 12:01 PM	#245
402Bowtie Registered User Join Date: Sep 2003 Location: Denver, CO Posts: 3,711	Re: The build date project 67 chevy 7J141521 04/17/67<build date<04/30/67 72 Blazer 2S159156 TBD 71 GMC suburban Z120657 TBD -- Currently the last Z1 data point on our list. 67 chevy 71117045 2/7/67-02/28/67. P for February. Rear axle date is 7 (1967) B (February) 7 (7th day of month). Edit: I found this build month decoder from a Chevelle website that seems to match up with our trucks...I'll update some of the additions accordingly. Attached Images __________________ Link to Parts I am Selling Build Date Thread: GMC, 68-71 Chevy, 72 Chevy Last edited by 402Bowtie; 07-29-2021 at 05:46 PM.