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#8
05-03-2025, 05:46 PM
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the chevy dealer service information bulletin no# 69-I-1, dated sept 19 1968 identifies the Y as below:
*Y - 427 Cu in 425 H.P (Chevrolet) 427 Cu in 430 H.P (Corvette) 427 Cu in 435 H.P (Corvette) 396 Cu in 375 H.P (Chevelle, Nova, Camaro) * High Shift Point hope this helps, Andy
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Andy Team Chevelle #3135 ACES #08305 1969 Chevelle Trim Tag Research (On-going) 
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69M22Z (05-04-2025) | ||
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