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Click on image for the lowdown. 
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| | | Forums66 Topics128,031 Posts1,055,434 Members48,422 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#35267 01/04/2005 10:28 PM | Joined: Jan 2000 Posts: 2,074 'Bolter | | 'Bolter Joined: Jan 2000 Posts: 2,074 | JAC prefix equates to a 1951 216 ci. Block casting number should be 3835497, also look behind the starter or a bit forward on that side for date code. Like B 13 1, B is 2nd month Feb, 13 day of the month, 1 is year like 1951 etc. Hope this helps. | | |
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