Re: ZL1/L88 198 intake, NOS 074 heads
Is it possible when they were cast the date was installed backwards? 81170? Are there other examples or are they all the same code. This could indicate that a particular casting run the date was mistakenly setup wrong, just a thought.
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Andy
Team Chevelle #3135
ACES #08305
1969 Chevelle Trim Tag Research (On-going)
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