Thread: Pontiac Deck Height
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  #13  
Old 01-31-2025, 12:12 AM
hurryinhoosier62 hurryinhoosier62 is offline
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Originally Posted by tom s View Post
My 455 HO is 10.22.tom
Both of my ‘72 481988s are 10.225-10.230; my ‘59 389 block is 10.245-10.250. Seems like PMD let the spec drop over time, Tom.

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