455 with 430 heads???

Discussion in 'High Tech for Old Iron' started by midwestgs, Apr 12, 2017.

  1. midwestgs

    midwestgs Well-Known Member

    Have a 72 stage 1 455 short block with 430 heads.what the advantages of using that head
     
  2. 71Skylark1384

    71Skylark1384 Platinum Level Contributor

    Lower cc's and depends on the year of the heads, could be a big port
     
  3. Ken Warner

    Ken Warner Stand-up Philosopher

    Some of the 430 heads had big intake ports that were desirable but those same castings tend to have issues with cracking so you take the good with the bad.
     

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