Found numbers on front passenger side of block.
C41173018
K0524TMR

Do you have any info on these numbers?

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Life in the fastlane surely makes you loose your mind.
http://www.camaro80z.com

1980 350 fwrd cab, at, Cal. 170 hp C30&3500

http://www.nastyz28.com/cgi-bin/postings.cgi?action=reply&forum=Engine+Topic&number=5&topic=012909.cgi&TopicSubject=Block+id

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Primered 72 RS with a 331 and a 4 bbl.