1969 Z/28 Original Radiator w/ 'UH' Tag

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**cook_dw** · #1 07-12-2016, 04:46 PM

You may be correct for a 70 Chevelle but not for a 67-69 Camaro.. <span style="font-weight: bold">IF</span> they had an "I" then you wouldnt have a "M" date code for Dec..

the427king · #2 07-12-2016, 06:59 PM

http://www.nastyz28.com/forum/archiv.../t-100578.html

#186 heads HAVE M dates , and the letter I WAS used in cylinder head castings

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