got a 350 i think with the code 3970910 what does this signify? other numbers in front of block are v1216cht could not find any info on the first numbers. your help would grately be appreciated thanks.
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got a 350 i think with the code 3970910 what does this signify? other numbers in front of block are v1216cht could not find any info on the first numbers. your help would grately be appreciated thanks.
the number shuld read 3970010. The most common Chevy block built. Used as 302-327-350, both two and four bolt. From 68-80. Check www.mortec.com