Thread: ? Maximum Bore 454 Bow Tie Block
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Old 08-02-2015, 07:23 AM
  #15  
Rupturedduck
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Originally Posted by tcarda View Post
I have the same block and casting number, but mine started as a 502 and now it is a 540. How much hp can these Bowtie blocks handle?
MY BLOCK IS AT 4.625/4.250 STROKE=572 cu.in/850hp AND Iam TOLD THE BLOCK CAN GO 4.750.
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